WO2020094092A1 - 一种多频段指示方法和通信设备 - Google Patents

一种多频段指示方法和通信设备 Download PDF

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Publication number
WO2020094092A1
WO2020094092A1 PCT/CN2019/116243 CN2019116243W WO2020094092A1 WO 2020094092 A1 WO2020094092 A1 WO 2020094092A1 CN 2019116243 W CN2019116243 W CN 2019116243W WO 2020094092 A1 WO2020094092 A1 WO 2020094092A1
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center frequency
channel
value
field
channel center
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PCT/CN2019/116243
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English (en)
French (fr)
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郭宇宸
李云波
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华为技术有限公司
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Priority to EP19881091.3A priority Critical patent/EP3866373B1/en
Priority to EP24151794.5A priority patent/EP4376391A2/en
Publication of WO2020094092A1 publication Critical patent/WO2020094092A1/zh
Priority to US17/313,896 priority patent/US20210266904A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0096Indication of changes in allocation
    • H04L5/0098Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/06Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22Parsing or analysis of headers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/324Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated

Definitions

  • the present application relates to the field of communication technology, and in particular to a multi-band indication method and communication equipment.
  • 802.11 is one of the current mainstream wireless access standards, and has been extremely widely used in commercial applications.
  • the exponential increase of WLAN wireless devices has increased the demand for WLAN wireless communication rates.
  • available frequency bands include 2.4GHz and 5GHz.
  • IEEE is pushing to expand the available frequency band to 6 GHz.
  • the IEEE 802.11a standard only 20 megahertz (megahertz, MHz) bandwidth is supported, and the bandwidth continues to increase during the subsequent evolution of the standard.
  • the 802.11n standard supports a maximum of 40MHz bandwidth
  • the 802.11ac / ax standard supports a maximum of 160MHz bandwidth.
  • An access point (AP) device can establish a basic service set (BSS) and indicate the size and location of the BSS working channel to a station (STA).
  • BSS basic service set
  • STA station
  • the indication method used in the prior art It can only be applied to the bandwidth range of 160MHz and below, and in 802.11n and 802.11ac, only one frequency spectrum resource can be used for communication.
  • Extremely high throughput (EHT) as the next-generation wireless fidelity (Wi-Fi) standard its maximum bandwidth will be extended to 320MHz, and the existing technology does not support when the maximum bandwidth exceeds 160MHz BSS bandwidth indication, and now the technology can only use spectrum resources for a frequency band, reducing the efficiency of resource use.
  • Wi-Fi next-generation wireless fidelity
  • Embodiments of the present application provide a multi-band indication method and a communication device, which are used to implement band indication in a multi-band aggregation scenario and improve resource use efficiency.
  • an embodiment of the present application provides a multi-band indication method, including: a first communication device generates a first frame, the first frame includes: a first operation level field, wherein, when the first communication device is established When the BSS of the basic service set works in the first frequency band and the second frequency band at the same time, the first operation level field is used to indicate the starting frequency point of the second frequency band, and the first frequency band is a frequency band including a main channel
  • the second frequency band is a frequency band that does not include the main channel; the first communication device sends the first frame.
  • the first frame generated by the first communication device includes a first operation level field.
  • the first operation level field is used to indicate the starting frequency point of the second frequency band.
  • the first communication device communicates with the second The device sends the first frame, so the second communication device can obtain the first operation level field according to the received first frame, and parsing the first operation level field can determine the starting frequency point of the second frequency band.
  • the frequency band indication in the scenario of multi-band aggregation can be implemented to improve the efficiency of resource use.
  • an embodiment of the present application further provides a multi-band indication method, including: a second communication device receives a first frame from a first communication device; the second communication device parses the first frame to obtain a first Operation level field; the second communication device determines the starting frequency point of the second frequency band in which the basic service set BSS established by the first communication device operates according to the first operation level field, and the BSS works simultaneously in the first A frequency band and the second frequency band, wherein the first frequency band is a frequency band including a main channel, and the second frequency band is a frequency band excluding the main channel.
  • the first frame generated by the first communication device includes a first operation level field.
  • the first operation level field is used to indicate the starting frequency point of the second frequency band.
  • the first communication device communicates with the second The device sends the first frame, so the second communication device can obtain the first operation level field according to the received first frame, and parsing the first operation level field can determine the starting frequency point of the second frequency band.
  • the frequency band indication in the scenario of multi-band aggregation can be implemented to improve the efficiency of resource use.
  • the first frame further includes: N channel center frequency segment fields and multi-band aggregation mode fields, and the value of N is greater than or equal to A positive integer of 2; the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to at least one channel center frequency segment field of the N channel center frequency segment fields belongs; the N channel centers The frequency segment field is used to indicate the N frequency segments that the BSS works in.
  • the N channel center frequency segment fields are used to indicate the N frequency segments operated by the BSS, for example, the value of N may be 4, or 3, or 2, etc., then each channel center frequency The segmentation field is used to indicate a frequency segmentation for BSS operation.
  • the first frame also includes a multi-band aggregation mode field, which is used to indicate that the frequency segment corresponding to at least one channel center frequency segment field of the N channel center frequency segment fields belongs to the first frequency band or the first Second frequency band.
  • the multi-band aggregation mode field may include multiple values, and each different value indicates a frequency band to which one of N channel center frequency segment fields belongs.
  • the N channel center frequency segment fields are a first channel center frequency segment field and a second channel center frequency segment Field, third channel center frequency segment field, fourth channel center frequency segment field, wherein the multi-band aggregation mode field is used to indicate the second channel center frequency segment field, the third channel center The frequency segment field corresponding to the frequency segment field corresponding to the frequency segment field of the fourth channel center frequency segment field respectively; the center frequency segment field of the first channel, the center frequency segment field of the second channel, and the first The three-channel center frequency segment field and the fourth channel center frequency segment field are used to indicate four frequency segments that the BSS works in.
  • the N channel center frequency segment fields are the first channel center frequency segment field, the second channel center frequency segment field, and the The three-channel center frequency segment field and the fourth channel center frequency segment field, where the frequency segment corresponding to the first channel center frequency segment field belongs to the first frequency band where the main channel is located, and the multi-band aggregation mode field may indicate the second Channel center frequency segment field, third channel center frequency segment field, fourth channel center frequency segment field correspond to the frequency band to which the frequency segment belongs, second channel center frequency segment field, third channel center frequency segment The field and the fourth channel center frequency segment field may belong to the first frequency band or the second frequency band, depending on the application scenario.
  • the first frame further includes: a channel bandwidth field, the channel bandwidth field is used to indicate a BSS bandwidth; and the length of the channel bandwidth field is 1 Byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, 160 + 80 + 80MHz, 80 + 160 + 80MHz, 80 + 80 + 80 + 80MHz, 240 + 80MHz, 80 + 240MHz, 240MHz, 160 + 80MHz, 80 + 160MHz, or 80 + 80 + 80MHz.
  • different values of the channel bandwidth field can be used to indicate the BSS bandwidth, but it is not limited that the same value of the channel bandwidth field can indicate multiple BSS bandwidths, and the position of the working channel for the BSS can be determined by the first channel The center frequency segment field, the second channel center frequency segment field, the third channel center frequency segment field, and the fourth channel center frequency segment field.
  • the first communication device may determine the BSS bandwidth and the location of the working channel to be used according to the BSS established by the first communication device.
  • the channel bandwidth field in the first frame may be the EHT Channel Width field, and the length is 1 byte.
  • the channel bandwidth field is used to indicate the BSS bandwidth.
  • the BSS bandwidth can have multiple types.
  • the specific modes can be divided into 320MHz, 160 + 160MHz, 160 + 80 + 80MHz, 80 + 80 + 160MHz Or 80 + 80 + 80 + 80MHz several different forms.
  • the "+" indicates that the total bandwidth is composed of two or more different frequency segments.
  • the value of the frequency segmentation field, the value of the fourth channel center frequency segmentation field pass the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, the current channel center frequency indicator The value of 2 and the value of the current channel center frequency indicator 3 are obtained.
  • the first communication device first determines the value of the channel width field, the first communication device determines the number of frequency segments, and the first communication device indicates the center frequency used by each frequency segment according to the number of frequency segments
  • the indicator determines the value of the four indicators.
  • the values of the four indicators include: the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, and the value of the current channel center frequency indicator 2. Value, the value of the current channel center frequency indicator 3.
  • the current channel center frequency indicator 0 can be dot11CurrentChannelCenterFrequencyIndex0
  • the current channel center frequency indicator 1 can be dot11CurrentChannelCenterFrequencyIndex1
  • the current channel center frequency indicator 2 can be dot11CurrentChannelCenterFrequencyIndex2
  • the current channel center frequency indicator 3 can be specifically dot11CurrentChannelCenterFrequencyIndex3.
  • the value of the center channel frequency segment field of the first channel is the current The value of the channel center frequency indicator 0 is decremented by 24, the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 and decremented by 8, the third channel center frequency The value of the segment field is the value of the current channel center frequency indicator 0 plus 8, and the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 0 Add 24; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of the symbol 1 is further reduced by 8
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 1 plus 8; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2
  • the value is further reduced by 8
  • the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 2 plus 8; or
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center
  • the value of the frequency indicator 1 is the value of the center frequency segment field of the fourth channel is the value of the center channel frequency indicator 2 of the current channel; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1 minus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of 1 is added by 8
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 2; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 2
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 3; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 16, so The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0, and the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 Add 16 to the value, and the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 1; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Value
  • the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 16;
  • the value of the center channel frequency segment field of the first channel is the value of the center channel frequency indicator 0 of the current channel minus 16
  • the first The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 Plus 16
  • the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8, so The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of symbol 1, the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Add 8 to the value, and the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 Value
  • the value of the center channel frequency segment field of the fourth channel is 0.
  • the first communication device may determine the current channel according to the number of frequency segments of the BSS working bandwidth and the center frequency of each frequency segment
  • the value of the center frequency indicator 0, the value of the current channel center frequency indicator 1, the value of the current channel center frequency indicator 2, and the value of the current channel center frequency indicator 3.
  • the center frequency of the frequency segment and the current channel center frequency indicator can be determined by a preset mapping relationship.
  • the first frame further includes: a segment size field, which is used to indicate a segment size of the N channel center frequency segment fields, respectively.
  • the EHT operation information field may also carry a segment size field to indicate the size of the four frequency segments.
  • each frequency segment may not be a fixed 80MHz, but is indicated by the segment size field. It can be 20MHz, 40MHz, 80MHz, or 160MHz, or the segment size can be 20MHz, 40MHz, 80MHz, or the segment size can be 40MHz, 80MHz, or the segment size can be 20MHz, 80MHz, or segment The size can be 80MHz, 160MHz.
  • the size of each of the four frequency segments may be the same or different.
  • the N channel center frequency segment fields are a first channel center frequency segment field and a second channel center frequency segment Field, fifth channel center frequency segment field, and sixth channel center frequency segment field, wherein the first channel center frequency segment field and the second channel center frequency segment field are in the first operating element field
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operating element field; the first operating element field and the second operating element field are in the first In the frame.
  • the first frame may include two operation element fields, namely a first operation element field and a second operation element field.
  • the first operation element field may specifically be an EHT operation information field, the first channel center frequency segmentation field and the first
  • the two-channel center frequency segment field is in the first operation element field, for example, the first channel center frequency segment field may be CCFS3, and the second channel center frequency segment field may be CCFS4.
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operation element field.
  • the second operation element field may specifically be a VHT operation information field, and the fifth channel center frequency segment field may be CCFS0.
  • the sixth channel center frequency segment field may be CCFS1.
  • the first channel center frequency segment field and the second channel center frequency segment field are used to indicate that the BSS works in the second Two frequency segments of the frequency band; the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to indicate that the BSS works in the two frequency segments of the first frequency band.
  • the first channel center frequency segment field may be CCFS3
  • the second channel center frequency segment field may be CCFS4
  • the fifth channel center frequency segment field may be CCFS0
  • the sixth channel center frequency segment field may be CCFS1.
  • the embodiments of this application may not modify the meanings of CCFS0 and CCFS1, and only design the values of CCFS3 and CCFS4 to support 320 MHz bandwidth and multi-band aggregation.
  • One way is that, by default, CCFS0 and CCFS1 indicate the first frequency band, and CCFS3 and CCFS4 indicate the second frequency band.
  • the first frame further includes: a multi-band aggregation mode field, where the fifth channel center frequency segment field and the sixth channel center The frequency segment field is used to indicate that the BSS works in two frequency segments of the first frequency band; the multi-band aggregation mode field is used to indicate the center frequency segment field of the first channel, the first The frequency band to which the frequency segment corresponding to the two-channel center frequency segment field respectively corresponds.
  • the first channel center frequency segment field may be CCFS3
  • the second channel center frequency segment field may be CCFS4
  • the fifth channel center frequency segment field may be CCFS0
  • the sixth channel center frequency segment field may be CCFS1.
  • the embodiments of this application may not modify the meanings of CCFS0 and CCFS1, and only design the values of CCFS3 and CCFS4 to support 320 MHz bandwidth and multi-band aggregation.
  • Another way is that the default CCFS0 and CCFS1 indicate the first frequency band, and the multi-band aggregation mode field is used to indicate which frequency band CCFS3 and CCFS4 belong to.
  • the fifth channel center frequency segment field is used to indicate the center frequency of the 80 MHz frequency segment where the main channel is located; the sixth channel The center frequency segment field is used to indicate the continuous 160MHz center frequency where the main channel is located when the 80MHz where the main channel is located is in a continuous 160MHz; when the 80MHz where the main channel is located is not in a continuous When in 160MHz, it indicates the center frequency of the second 80MHz frequency segment other than the 80MHz where the main channel is located; the first channel center frequency segment field is used when there is an 80MHz except for the main channel And the third 80MHz frequency segment other than the second 80MHz, indicating the center frequency of the third 80MHz frequency segment; the center frequency segment field of the second channel is used when the The third 80MHz is located in a continuous 160MHz, indicating the center frequency of the continuous 160MHz where the third 80MHz is located; when the third 80MHz is not in a continuous 160MHz, and the primary channel is present Indicating the center frequency of the fourth 80MHz frequency segment when
  • the first operation level field when the value of the first operation level field is a preset value, the first operation level field is used to indicate that the BSS works in the first A frequency band, and the BSS does not support the second frequency band.
  • the first operation level field in the first frame may be the operating class field in the management frame.
  • the operating class field is a special value (such as 0 or 255), it indicates that there is no second frequency band, and the BSS works in the first Frequency band, and the BSS does not support the second frequency band, that is, the first communication device only uses the first frequency band for communication, and the first communication device does not support the second frequency band.
  • the first frame further includes: a frequency band identification field, and the frequency band identification field is used to identify the second frequency band. Therefore, after receiving the frequency band identification field in the first frame, the second communication device can identify the second frequency band according to the frequency band identification field.
  • the first operation level field is in a first operation information field; the first operation information field is in a first operation element field; the first The operation element field is in the first frame.
  • the first frame may include an operation element field, the operation element field may include an operation information field, and the operation information field may include an operation level field.
  • the design of the previous generation of operation information should be considered in the design of the new generation of operation information.
  • a first frame may be generated by the first communication device, and the first frame may include a first operation level field, where the first operation level field is used to indicate the starting frequency point of the second frequency band.
  • the first frame further includes: a second operation level field, where the second operation level field is used to indicate a start frequency of the first frequency band point.
  • the first frame further includes: a second operation level field, that is, two operation level fields are included in the first frame, and the first operation level field is used to indicate the starting frequency point of the second frequency band The second operation level field is used to indicate the starting frequency point of the first frequency band. Therefore, after receiving the second operation level field in the first frame, the second communication device may determine the starting frequency point of the first frequency band according to the second operation level field.
  • the first frame further includes: 2N channel center frequency segmentation fields and a third operation level field, and the value of N is greater than or equal to A positive integer of 2; the first operation level field is also used to indicate that the N channel center frequency segmentation fields of the 2N channel center frequency segmentation fields belong to the second frequency band; the third operation level Field, used to indicate that the other N channel center frequency segment fields of the 2N channel center frequency segment fields belong to the first frequency band; the 2N channel center frequency segment fields are used to indicate that the BSS works N frequency segments.
  • the 2N channel center frequency segment fields are a first channel center frequency segment field and a second channel center frequency segment Field, third channel center frequency segment field, fourth channel center frequency segment field, seventh channel center frequency segment field, eighth channel center frequency segment field, ninth channel center frequency segment field, tenth channel A center frequency segment field, wherein the first operation level field is used to indicate the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment Field, the fourth channel center frequency segment field belongs to the second frequency band; the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment Field, the fourth channel center frequency segment field, used to indicate the four frequency segments of the BSS operating in the second frequency band; the third operation level field, used to indicate the The seventh channel center frequency segment field, the eighth channel center frequency segment field, the ninth channel center frequency segment field, and the tenth channel center frequency segment field belong to the first frequency band;
  • an embodiment of the present application further provides a multi-band indication method, including: a first communication device generates a first frame, the first frame includes: N channel center frequency segmentation fields and a multi-band aggregation mode field; Wherein, when the basic service set BSS established by the first communication device works in the first frequency band and the second frequency band simultaneously, the multi-band aggregation mode field is used to indicate at least one of the N channel center frequency segmentation fields
  • the frequency segment corresponding to the channel center frequency segment field belongs to the first frequency band or the second frequency band
  • the N channel center frequency segment fields are used to indicate N frequency segments that the BSS works in,
  • the first frequency band is a frequency band that includes a main channel
  • the second frequency band is a frequency band that does not include the main channel
  • the value of N is a positive integer greater than or equal to 2
  • the first communication device sends the first frame .
  • the first frame generated by the first communication device includes N channel center frequency segmentation fields and multi-band aggregation mode fields, and the first communication device sends the second frame to the second communication device.
  • the second communication device can obtain N channel center frequency segment fields and multi-band aggregation mode fields according to the received first frame, and accordingly determine N frequency segments and N frequencies for BSS operation
  • the segmentation belongs to the first frequency band or the second frequency band, respectively. Therefore, in this embodiment of the present application, frequency segmentation indication in a multi-band aggregation scenario can be implemented, and resource use efficiency is improved.
  • an embodiment of the present application further provides a multi-band indication method, including: a second communication device receives a first frame from a first communication device; the second communication device parses the first frame to obtain N Channel center frequency segmentation field and multi-band aggregation mode field, the value of N is a positive integer greater than or equal to 2; the second communication device according to the N channel center frequency segmentation fields and the multi-band
  • the aggregation mode field determines that the N frequency segments of the basic service set BSS established by the first communication device belong to the first frequency band or the second frequency band, respectively.
  • the first frequency band is a frequency band including the main channel, and the second frequency band is not Including the frequency band of the main channel.
  • the first frame generated by the first communication device includes N channel center frequency segmentation fields and multi-band aggregation mode fields, and the first communication device sends the second frame to the second communication device.
  • the second communication device can obtain N channel center frequency segment fields and multi-band aggregation mode fields according to the received first frame, and accordingly determine N frequency segments and N frequencies for BSS operation
  • the segmentation belongs to the first frequency band or the second frequency band, respectively. Therefore, in this embodiment of the present application, frequency segmentation indication in a multi-band aggregation scenario can be implemented, and resource use efficiency is improved.
  • the N channel center frequency segment fields are a first channel center frequency segment field and a second channel center frequency segment Field, third channel center frequency segment field, fourth channel center frequency segment field, wherein the multi-band aggregation mode field is used to indicate the second channel center frequency segment field, the third channel center The frequency segment field corresponding to the frequency segment field corresponding to the frequency segment field of the fourth channel center frequency segment field respectively; the center frequency segment field of the first channel, the center frequency segment field of the second channel, and the first The three-channel center frequency segment field and the fourth channel center frequency segment field are used to indicate four frequency segments that the BSS works in.
  • the N channel center frequency segment fields are the first channel center frequency segment field, the second channel center frequency segment field, and the The three-channel center frequency segment field and the fourth channel center frequency segment field, where the frequency segment corresponding to the first channel center frequency segment field belongs to the first frequency band where the main channel is located, and the multi-band aggregation mode field may indicate the second Channel center frequency segment field, third channel center frequency segment field, fourth channel center frequency segment field correspond to the frequency band to which the frequency segment belongs, second channel center frequency segment field, third channel center frequency segment The field and the fourth channel center frequency segment field may belong to the first frequency band or the second frequency band, depending on the application scenario.
  • the first frame further includes: a channel bandwidth field, the channel bandwidth field is used to indicate a BSS bandwidth; and the length of the channel bandwidth field is 1 Byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, 160 + 80 + 80MHz, 80 + 160 + 80MHz, 80 + 80 + 80 + 80MHz, 240 + 80MHz, 80 + 240MHz, 240MHz, 160 + 80MHz, 80 + 160MHz, or 80 + 80 + 80MHz.
  • different values of the channel bandwidth field can be used to indicate the BSS bandwidth, but it is not limited that the same value of the channel bandwidth field can indicate multiple BSS bandwidths, and the position of the working channel for the BSS can be determined by the first channel The center frequency segment field, the second channel center frequency segment field, the third channel center frequency segment field, and the fourth channel center frequency segment field.
  • the first communication device may determine the BSS bandwidth and the location of the working channel to be used according to the BSS established by the first communication device.
  • the channel bandwidth field in the first frame may be the EHT Channel Width field, and the length is 1 byte.
  • the channel bandwidth field is used to indicate the BSS bandwidth.
  • the BSS bandwidth can have multiple types.
  • the specific modes can be divided into 320MHz, 160 + 160MHz, 160 + 80 + 80MHz, 80 + 80 + 160MHz Or 80 + 80 + 80 + 80MHz several different forms.
  • the "+" indicates that the total bandwidth is composed of two or more different frequency segments.
  • the value of the frequency segmentation field, the value of the fourth channel center frequency segmentation field pass the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, the current channel center frequency indicator The value of 2 and the value of the current channel center frequency indicator 3 are obtained.
  • the first communication device first determines the value of the channel width field, the first communication device determines the number of frequency segments, and the first communication device indicates the center frequency used by each frequency segment according to the number of frequency segments
  • the indicator determines the value of the four indicators.
  • the values of the four indicators include: the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, and the value of the current channel center frequency indicator 2. Value, the value of the current channel center frequency indicator 3.
  • the current channel center frequency indicator 0 can be dot11CurrentChannelCenterFrequencyIndex0
  • the current channel center frequency indicator 1 can be dot11CurrentChannelCenterFrequencyIndex1
  • the current channel center frequency indicator 2 can be dot11CurrentChannelCenterFrequencyIndex2
  • the current channel center frequency indicator 3 can be dot11CurrentChannelCenterFrequencyIndex3.
  • the value of the center frequency segmentation field of the first channel is the current The value of the channel center frequency indicator 0 is decremented by 24, the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 and decremented by 8, the third channel center frequency The value of the segment field is the value of the current channel center frequency indicator 0 plus 8, and the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 0 Add 24; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of the symbol 1 is further reduced by 8
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 1 plus 8; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2
  • the value is further reduced by 8
  • the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 2 plus 8; or
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center
  • the value of the frequency indicator 1 is the value of the center frequency segment field of the fourth channel is the value of the center channel frequency indicator 2 of the current channel; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1 minus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of 1 is added by 8
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 2; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 2
  • the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 3; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 16, so The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0, and the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 Add 16 to the value, and the value of the center frequency segment field of the fourth channel is the value of the current channel center frequency indicator 1; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Value
  • the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 16;
  • the value of the center channel frequency segment field of the first channel is the value of the center channel frequency indicator 0 of the current channel minus 16
  • the first The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 Plus 16
  • the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8, so The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator
  • the value of symbol 1, the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Add 8 to the value, and the value of the center frequency segment field of the fourth channel is 0; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 Value
  • the value of the center channel frequency segment field of the fourth channel is 0.
  • the first communication device may determine the current channel according to the number of frequency segments of the BSS working bandwidth and the center frequency of each frequency segment
  • the value of the center frequency indicator 0, the value of the current channel center frequency indicator 1, the value of the current channel center frequency indicator 2, and the value of the current channel center frequency indicator 3.
  • the center frequency of the frequency segment and the current channel center frequency indicator can be determined by a preset mapping relationship.
  • the first frame further includes: a segment size field, which is used to indicate a segment size of the N channel center frequency segment fields, respectively.
  • the EHT operation information field may also carry a segment size field to indicate the size of the four frequency segments.
  • each frequency segment may not be a fixed 80MHz, but is indicated by the segment size field. It can be 20MHz, 40MHz, 80MHz, or 160MHz, or the segment size can be 20MHz, 40MHz, 80MHz, or the segment size can be 40MHz, 80MHz, or the segment size can be 20MHz, 80MHz, or segment The size can be 80MHz, 160MHz.
  • the size of each of the four frequency segments may be the same or different.
  • the N channel center frequency segment fields are a first channel center frequency segment field and a second channel center frequency segment Field, fifth channel center frequency segment field, and sixth channel center frequency segment field, wherein the first channel center frequency segment field and the second channel center frequency segment field are in the first operating element field
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operating element field; the first operating element field and the second operating element field are in the first In the frame.
  • the first channel center frequency segment field and the second channel center frequency segment field are used to indicate that the BSS works in the second Two frequency segments of the frequency band; the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to indicate that the BSS works in the two frequency segments of the first frequency band.
  • the first frame further includes: a multi-band aggregation mode field, wherein the fifth channel center frequency segment field and the sixth channel center The frequency segment field is used to indicate that the BSS works in two frequency segments of the first frequency band; the multi-band aggregation mode field is used to indicate the center frequency segment field of the first channel, the first The frequency band to which the frequency segment corresponding to the two-channel center frequency segment field respectively corresponds.
  • the center frequency segment field of the fifth channel is used to indicate the center frequency of the 80 MHz frequency segment where the main channel is located;
  • the sixth channel The center frequency segment field is used to indicate the continuous 160MHz center frequency where the main channel is located when the 80MHz where the main channel is located is in a continuous 160MHz; when the 80MHz where the main channel is located is not in a continuous When in 160MHz, it indicates the center frequency of the second 80MHz frequency segment other than the 80MHz where the main channel is located;
  • the first channel center frequency segment field is used when there is an 80MHz except for the main channel
  • the third 80MHz frequency segment other than the second 80MHz indicating the center frequency of the third 80MHz frequency segment;
  • the center frequency segment field of the second channel is used when the The third 80MHz is located in a continuous 160MHz, indicating the center frequency of the continuous 160MHz where the third 80MHz is located; when the third 80MHz is not in a continuous 160MHz, and the primary channel is present
  • the 80MHz, the second 80MHz, and the center frequency segment field is used to
  • the first frame further includes: a first operation level field, where the first operation level field is used to indicate a start frequency of the second frequency band point.
  • the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, and a multi-band aggregation mode field, where , The multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the second channel center frequency segment field respectively belongs; the first channel center frequency segment field, the second channel center frequency The segment field is used to indicate the two frequency segments that the BSS works in.
  • the first frame further includes: a channel bandwidth field, the channel bandwidth field is used to indicate a BSS bandwidth; and the length of the channel bandwidth field is 1 Byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate that the BSS bandwidth is 320 MHz, or 160 + 160 MHz.
  • the value of the first channel center frequency segment field and the value of the second channel center frequency segment field pass the current channel center frequency indicator
  • the value of 0 is obtained from the value of the current channel center frequency indicator 1.
  • the position of the working channel of the BSS is the following frequency position: 320 MHz
  • the value of the center frequency segmentation field of the first channel is the current
  • the value of the channel center frequency indicator 0 is further decreased by 16, and the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16; or, when the BSS
  • the position of the working channel is the following frequency position: at 160 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the center channel frequency segment of the second channel
  • the value of the field is the value of the current channel center frequency indicator 1.
  • the position of the working channel of the BSS is the following frequency position: 320 MHz
  • the value of the center frequency segmentation field of the first channel is the current
  • the value of the channel center frequency indicator 0 is further reduced by 16 or increased by 16, and the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0; or, when the BSS
  • the working channel position of is the following frequency position: when 160 + 160MHz, the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the center frequency of the second channel is The value of the segment field is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a channel bandwidth field, the channel bandwidth field is used to indicate a BSS bandwidth; and the length of the channel bandwidth field is 1 Byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz; or, when the value of the channel bandwidth field is 5, the channel bandwidth field is used When indicating that the BSS bandwidth is 160 + 160MHz; or, when the value of the channel bandwidth field is 6, the channel bandwidth field is used to indicate that the BSS bandwidth is 240 + 80MHz; or, the channel bandwidth field When the value is 7, the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 240MHz; or, when the value of the channel bandwidth field is 8, the channel bandwidth field is used to indicate that the BSS bandwidth is 240MHz; or, when the value of the channel bandwidth field is 9, the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 80MHz; or, when the value of the channel bandwidth field is 10, the channel The bandwidth
  • the position of the working channel of the BSS is the following frequency position: 320 MHz
  • the value of the center frequency segmentation field of the first channel is the current
  • the value of the channel center frequency indicator 0 is further decreased by 16, and the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16; or, when the BSS
  • the position of the working channel is the following frequency position: at 160 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the center channel frequency segment of the second channel
  • the value of the field is the value of the current channel center frequency indicator 1; or, when the working channel position of the BSS is the following frequency position: 240 + 80MHz, the first channel center frequency segment field
  • the value is the value of the current channel center frequency indicator 0, and the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1; or, when the BSS Working channel bits Is the following frequency position: at 80 +
  • the first channel center frequency segment field and the second channel center frequency segment field are two consecutive frequency segments
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 plus 16 or minus 16
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0; or,
  • the position of the working channel of the BSS is the following frequency position: 160 + 160MHz
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the second The value of the channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the value of the current channel center frequency indicator 1;
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 12 or plus 12,
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0; or,
  • the position of the working channel of the BSS is the following frequency position: 160 + 80MHz
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the position of the working channel of the BSS is the following frequency position: 80 + 160MHz
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the second The value of the channel center frequency segment field is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, a third operation level field, a A three-channel center frequency segment field and a fourth channel center frequency segment field, wherein the first operation level field is used to indicate the first channel center frequency segment field and the second channel center frequency segment
  • the field belongs to the second frequency band; the center frequency segment field of the first channel and the center frequency segment field of the second channel are used to indicate that the BSS works in two frequency segments of the second frequency band;
  • the third operation level field is used to indicate that the third channel center frequency segment field and the fourth channel center frequency segment field belong to the first frequency band; the third channel center frequency segment field,
  • the fourth channel center frequency segment field is used to indicate that the BSS works in two frequency segments in the first frequency band.
  • the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, and a third channel center frequency segment And a multi-band aggregation mode field, wherein the multi-band aggregation mode field is used to indicate to which frequency segment corresponding to the second channel center frequency segment field and the third channel center frequency segment field belong respectively Frequency band; the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment field are used to indicate three frequency segments for the BSS to work.
  • the first frame further includes: a channel bandwidth field, the channel bandwidth field is used to indicate a BSS bandwidth; and the length of the channel bandwidth field is 1 Byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, 80 + 240MHz, or 80 + 160MHz.
  • the value of the first channel center frequency segment field and the value of the second channel center frequency segment field pass the current channel center frequency indicator The value of 0, the value of the current channel center frequency indicator 1 and the value of the current channel center frequency indicator 2 are obtained.
  • the value of the center frequency segmentation field of the first channel is the current The value of the channel center frequency indicator 0 is decremented by 24, the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 and decremented by 8, the third channel center frequency The value of the segment field is the value of the current channel center frequency indicator 0 plus 16; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator The value of symbol 1; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 Value
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Add 8 to the value
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the second The value of the channel center frequency segment field is 0, and the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a segment size field for indicating the center frequency segment field of the first channel and the second channel, respectively The center frequency segment field and the segment size of the third channel center frequency segment field.
  • the length of the channel bandwidth field is 1 byte; when the value of the channel bandwidth field is 4, the channel bandwidth field is used to indicate The BSS bandwidth is 320 MHz; or, when the value of the channel bandwidth field is 5, the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 160 MHz; or, when the value of the channel bandwidth field is 6 , The channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 80 + 160MHz; or, when the value of the channel bandwidth field is 7, the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 240MHz Or, when the value of the channel bandwidth field is 8, the channel bandwidth field is used to indicate that the BSS bandwidth is 240 MHz; or, when the value of the channel bandwidth field is 9, the channel bandwidth field is used When indicating that the BSS bandwidth is 80 + 160MHz; or, when the value of the channel bandwidth field is 10, the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 80MHz; or, the channel bandwidth field When the value of the channel bandwidth field is 4, the channel bandwidth field is used
  • the value of the center frequency segmentation field of the first channel is the current The value of the channel center frequency indicator 0 is decremented by 24, the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 and decremented by 8, the third channel center frequency The value of the segment field is the value of the current channel center frequency indicator 0 plus 16; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the current channel center frequency indicator The value of symbol 1; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 Value
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Add 8 to the value
  • the value of the center channel frequency segment field of the first channel is the value of the center channel frequency indicator 0 of the current channel minus 16
  • the first The value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 Add 16; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 8, so the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator The value of symbol 1; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the second The value of the channel center frequency segment field is the current channel center frequency indicator 1 minus 8, and the value of the third channel center frequency segment field is the current channel center frequency indicator 1 Add 8 to the value; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 value.
  • the first frame further includes: a first channel center frequency segment field, a fifth channel center frequency segment field, and a sixth channel center frequency segment Field, wherein the first channel center frequency segment field is in the first operation element field; the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operation element field ; The first operating element field and the second operating element field are in the first frame.
  • the center frequency segment field of the first channel is used to indicate that the BSS works in a frequency segment of the second frequency band; the fifth The channel center frequency segment field and the sixth channel center frequency segment field are used to indicate that the BSS works in two frequency segments in the first frequency band.
  • the first frame further includes: a multi-band aggregation mode field, wherein the fifth channel center frequency segment field and the sixth channel center The frequency segment field is used to indicate that the BSS works in two frequency segments in the first frequency band; the multi-band aggregation mode field is used to indicate the frequency segment corresponding to the first channel center frequency segment field The frequency band to which the segment belongs.
  • the center frequency segment field of the fifth channel is used to indicate the center frequency of the 80 MHz frequency segment where the main channel is located;
  • the sixth channel The center frequency segment field is used to indicate the center frequency of the continuous 160MHz when the 80MHz where the main channel is located is in a continuous 160MHz; when the 80MHz where the main channel is located is not in a continuous 160MHz, Indicates the center frequency of the second 80MHz frequency segment except the 80MHz where the main channel is located;
  • the first channel center frequency segment field is used when the BSS bandwidth is 320MHz, 160 + 160MHz, 80+ 80 + 160MHz, or 80 + 240MHz, indicating the center frequency of the last continuous 160MHz frequency segment except the continuous 160MHz; when the BSS bandwidth is 240MHz, 80 + 160MHz, 160 + 80MHz, or 80+ When 80 + 80MHz, it indicates the center frequency of the last 80MHz frequency segment.
  • a communication device for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • the communication device includes a unit for performing the above-mentioned first aspect or any possible implementation manner of the first aspect.
  • another communication device for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • the communication device includes a unit for performing the second aspect or any possible implementation manner of the second aspect.
  • a communication device for performing the method in the third aspect or any possible implementation manner of the third aspect.
  • the communication device includes a unit for performing the third aspect or any possible implementation manner of the third aspect.
  • another communication device for performing the method in the fourth aspect or any possible implementation manner of the fourth aspect.
  • the communication device includes a unit for performing the fourth aspect or any possible implementation manner of the fourth aspect.
  • a communication device in a ninth aspect, includes: a processor and a transceiver, and optionally, a memory; wherein the processor, the transceiver, and the memory communicate with each other through an internal connection.
  • a processor for performing the method in the first aspect or any possible implementation manner of the first aspect;
  • a transceiver receiving control of the processor, for performing the method in the first aspect or any possible implementation manner of the first aspect Signal transmission and reception; memory, used to store instructions that are called by the processor to perform the method in the first aspect or any possible implementation manner of the first aspect.
  • a communication device includes: a processor and a transceiver, and optionally, a memory; wherein the processor, the transceiver, and the memory communicate with each other through an internal connection.
  • a processor for performing the method in the second aspect or any possible implementation manner of the second aspect;
  • a transceiver for receiving the control of the processor, for performing the method in the second aspect or any possible implementation manner of the second aspect Signal transmission and reception;
  • memory used to store instructions that are called by the processor to perform the method in the second aspect or any possible implementation manner of the second aspect.
  • a communication device in an eleventh aspect, includes: a processor and a transceiver, and optionally, a memory; wherein the processor, the transceiver, and the memory communicate with each other through an internal connection.
  • a processor for performing the method in the third aspect or any possible implementation manner of the third aspect;
  • a transceiver for receiving the control of the processor, for performing the method in the third aspect or any possible implementation manner of the third aspect Signal transmission and reception; memory, used to store instructions, which are called by the processor to perform the method of the third aspect or any possible implementation manner of the third aspect.
  • a communication device includes: a processor and a transceiver, and optionally, a memory; wherein the processor, the transceiver, and the memory communicate with each other through an internal connection.
  • a processor for performing the method in the fourth aspect or any possible implementation manner of the fourth aspect;
  • a transceiver for receiving the control of the processor, for performing the method in the fourth aspect or any possible implementation manner of the fourth aspect Signal transmission and reception;
  • memory used to store instructions that are called by the processor to perform the fourth aspect or the method in any possible implementation manner of the fourth aspect.
  • a computer-readable storage medium for storing a computer program, the computer program including instructions for performing the method of the first aspect or any possible implementation manner of the first aspect.
  • a computer-readable storage medium for storing a computer program, the computer program including instructions for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • a computer-readable storage medium for storing a computer program, the computer program including instructions for performing the method of the third aspect or any possible implementation manner of the third aspect.
  • a computer-readable storage medium for storing a computer program, the computer program including instructions for performing the method in the fourth aspect or any possible implementation manner of the fourth aspect.
  • a computer program comprising instructions for performing the method of the first aspect or any possible implementation of the first aspect.
  • a computer program comprising instructions for performing the method of the second aspect or any possible implementation of the second aspect.
  • a computer program comprising instructions for performing the method of the third aspect or any possible implementation of the third aspect.
  • a computer program comprising instructions for performing the method of the fourth aspect or any possible implementation of the fourth aspect.
  • a chip including a processing circuit and a transceiver pin, and optionally, a memory; wherein the processing circuit, the transceiver pin, and the memory communicate with each other through an internal connection.
  • the processing circuit is used to execute the method in the first aspect or any possible implementation manner of the first aspect;
  • the transceiver pin receives the control of the processing circuit and is used to execute the method in the first aspect or any possible implementation manner of the first aspect Transmitting and receiving of medium signals; memory, used to store instructions, which are called by the processing circuit to perform the method in the first aspect or any possible implementation manner of the first aspect.
  • a chip includes a processing circuit and a transceiver pin, and optionally a memory; wherein the processing circuit, the transceiver pin, and the memory communicate with each other through an internal connection.
  • the processing circuit is used to execute the method in the second aspect or any possible implementation manner of the second aspect; the transceiver pin is used to receive the control of the processing circuit for performing the method in the second aspect or any possible implementation manner of the second aspect Transmitting and receiving of medium signals; memory, used to store instructions, which are called by the processing circuit to perform the method in the second aspect or any possible implementation manner of the second aspect.
  • a chip in a twenty-third aspect, includes a processing circuit and a transceiver pin, and optionally a memory; wherein the processing circuit, the transceiver pin, and the memory communicate with each other through an internal connection.
  • the processing circuit is used to perform the method in the third aspect or any possible implementation manner of the third aspect; the transceiver pin, receiving the control of the processing circuit, is used to execute the method in the third aspect or any possible implementation manner of the third aspect Transmitting and receiving of medium signals;
  • a memory is used to store instructions, which are called by the processing circuit to perform the method in the third aspect or any possible implementation manner of the third aspect.
  • a chip in a twenty-fourth aspect, includes a processing circuit and a transceiver pin, and optionally, a memory; wherein the processing circuit, the transceiver pin, and the memory communicate with each other through an internal connection.
  • the processing circuit is used to perform the method in the fourth aspect or any possible implementation manner of the fourth aspect;
  • the transceiver pin, receiving the control of the processing circuit is used to execute the method in the fourth aspect or any possible implementation manner of the fourth aspect Transmission and reception of medium signals; memory, which is used to store instructions, which are called by the processing circuit to perform the method in the fourth aspect or any possible implementation manner of the fourth aspect.
  • FIG. 1 is a schematic diagram of a system architecture applied to a multi-band indication method provided by an embodiment of this application;
  • FIG. 2 is a schematic diagram of another system architecture to which the multi-band indication method provided by an embodiment of the present application is applied;
  • FIG. 3 is a schematic diagram of an interaction process between a terminal device and a network device provided by an embodiment of this application;
  • FIG. 4 is a schematic diagram of an AP sending bandwidth indication information provided by an embodiment of this application.
  • FIG. 5 is a schematic structural diagram of a beacon frame provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of another interaction process between a terminal device and a network device provided by an embodiment of this application;
  • FIG. 7 is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a composition structure of an EHT operation information field provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of another composition structure of an EHT operation information field provided by an embodiment of this application.
  • FIG. 12 is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a composition of a communication device according to an embodiment of this application.
  • 15 is a schematic structural diagram of another communication device according to an embodiment of the present application.
  • 16 is a schematic structural diagram of another communication device according to an embodiment of the present application.
  • Embodiments of the present application provide a multi-band indication method and a communication device, which are used to implement band indication in a multi-band aggregation scenario and improve resource use efficiency.
  • the communication system provided by the embodiments of the present application may include at least two communication devices, which are a first communication device and a second communication device, respectively.
  • the first communication device may be a network device, and the network device may specifically include an access point (AP), the second communication device may be a terminal device, and the terminal device may specifically include a station (STA).
  • AP access point
  • STA station
  • the first communication device may be a terminal device, and the second communication device may be a network device.
  • the first communication device may be a network device, and the second communication device may be another network device.
  • the first communication device may be a terminal device, and the second communication device may be another terminal device.
  • the specific implementation of the communication device can be flexibly selected in combination with the actual application scenario, which is not limited here.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency-division multiple access
  • SC-FDMA single carrier frequency division multiple access
  • UTRA universal wireless terrestrial access
  • UTRA may include wideband CDMA (Wideband CDMA, WCDMA) technology and other CDMA variant technologies.
  • CDMA2000 can cover the interim standard (IS) 2000 (IS-2000), IS-95 and IS-856 standards.
  • the TDMA system can implement wireless technologies such as the global system for mobile (GSM).
  • OFDMA system can realize such as evolved universal wireless terrestrial access (evolved UTRA, E-UTRA), ultra mobile broadband (ultra mobile broadband), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash OFDMA And other wireless technologies.
  • UTRA and E-UTRA are UMTS and UMTS evolved versions.
  • 3GPP's long-term evolution (LTE) and various versions based on LTE evolution are new versions of UMTS that use E-UTRA.
  • the fifth generation (5Generation, abbreviation: "5G”) communication system and New Radio (NR) are the next generation communication systems under study.
  • the communication system 100 can also be adapted to future-oriented communication technologies, and all the technical solutions provided by the embodiments of the present application.
  • the system architecture and business scenarios described in the embodiments of the present application are to more clearly explain the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. With the evolution of the architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • FIG. 2 shows a schematic structural diagram of a possible radio access network (RAN) for an embodiment of the present application.
  • the RAN may be a base station access system of a 2G network (that is, the RAN includes a base station and a base station controller), or may be a base station access system of a 3G network (that is, the RAN includes a base station and an RNC), or may be 4G A base station access system of the network (that is, the RAN includes an eNB and an RNC), or may be a base station access system of a 5G network.
  • the first communication device provided in the embodiment of the present application may be one or more network devices.
  • the network device is specifically an AP as an example
  • the second communication device may be one or more terminal devices.
  • the terminal device Take STA as an example.
  • the network device may be any device with a wireless transceiver function, or a chip provided in a device with a specific wireless transceiver function.
  • the network equipment includes but is not limited to: base stations (such as base stations BS, base stations NodeB, evolving base stations eNodeB or eNB, base stations gNodeB or gNB in fifth-generation 5G communication systems, base stations in future communication systems, and connection in WiFi systems Incoming node, wireless relay node, wireless backhaul node), etc.
  • the base station may be: a macro base station, a micro base station, a pico base station, a small station, a relay station, etc. Multiple base stations may support one or more of the above-mentioned technology networks, or future evolution networks.
  • the core network may support one or more technologies mentioned above or a future evolution network.
  • the base station may include one or more co-site or non-co-site transmission and reception points (TRP).
  • the network device may also be a wireless controller, a centralized unit (CU) or a distributed unit (DU) in a cloud radio access network (CRAN) scenario.
  • the network device may also be a server, a wearable device, or a vehicle-mounted device. The following uses a network device as a base station as an example.
  • the multiple network devices may be base stations of the same type or base stations of different types.
  • the base station can communicate with the terminal devices 1-6, or can communicate with the terminal devices 1-6 through a relay station.
  • Terminal devices 1-6 can support communication with multiple base stations of different technologies, for example, the terminal device can support communication with base stations supporting LTE networks, can also support communication with base stations supporting 5G networks, and can also support base stations with LTE networks And the dual connection of the base station of 5G network.
  • a terminal accesses a radio access network (RAN) node of a wireless network.
  • RAN radio access network
  • RAN nodes are: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (radio network controller (RNC), node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (eg, home evolved NodeB, or home Node B, HNB), baseband unit , BBU), or wireless fidelity (Wifi) access point (access point, AP), etc.
  • the network device may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node.
  • Terminal equipment 1-6 also known as user equipment (UE), mobile station (MS), mobile terminal (MT), terminal, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • terminal devices are: mobile phones, tablets, laptops, PDAs, mobile Internet devices (MID), wearable devices, virtual reality (VR) devices, enhanced Augmented reality (AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote surgery, smart grid (smart) Wireless terminals in transportation, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • the AP and STA1 to STA6 form a communication system in which the AP sends one or more of system information, RAR messages, and paging messages to one or more of STA1 to STA6 UEs.
  • STA4 to STA6 also form a communication system.
  • STA5 can be implemented as the function of a base station.
  • STA5 can send one or more of system information, control information, and paging messages to STA4 and One or more UEs in STA6.
  • the communication system provided by the embodiments of the present application may adopt various Wi-Fi standards, for example, the current Wi-Fi standard may adopt high-throughput (HT) or very high throughput (VHT) , Or high efficiency (HE), the next-generation Wi-Fi standard can adopt Extremely High Throughput (EHT) or Very High Efficiency (VHE).
  • the next-generation Wi-Fi standard is EHT as an example.
  • the first frame includes the EHT operation element, and if the first frame includes the VHE operation element, this is for illustration only, and is not intended as a Application for limitation of examples.
  • the first communication device and the second communication device associated therewith may be multi-band devices, and the multi-band devices have the capability to communicate on multiple frequency bands.
  • multiple frequency bands may be low At 1GHz, 2.4GHz, 4.9GHz, 5GHz, 6GHz, 60GHz and so on.
  • a device When a device is equipped with multiple radios, it can simultaneously use spectrum resources on multiple frequency bands for data transmission.
  • the device has a large bandwidth transmission capability, it can simultaneously aggregate spectrum resources from multiple frequency bands (generally two adjacent frequency bands) for transmission.
  • the range of the frequency band is larger than the frequency segment, for example, 2.4 GHz, 5 GHz, 6 GHz, and 60 GHz refer to different frequency bands, respectively, and the bandwidth range of the frequency band is usually several hundred MHz, or even GHz.
  • the first communication device and the second communication device associated therewith form a basic service set (basic service set, BSS).
  • BSS basic service set
  • a single BSS can be transmitted using multi-band aggregation.
  • the frequency band has a primary channel (for example, 20MHz), and there may be many secondary channels.
  • the BSS works in the first frequency band and the second frequency band at the same time.
  • the first frequency band is a frequency band that includes the primary channel
  • the second frequency band is a frequency band that does not include the primary channel.
  • the first frequency band may also include a secondary channel. In the second frequency band, only the secondary channel is included, and the primary channel is not included.
  • FIG. 3 is a schematic diagram of an interaction process between two communication devices provided by the embodiments of the present application.
  • the multi-band indication method provided by the embodiments of the present application mainly includes the following steps.
  • the first communication device generates a first frame.
  • the first frame includes: a first operating class field (operating), where, when the BSS established by the first communication device works in the first frequency band and the second frequency band
  • the operation level field is used to indicate the starting frequency point of the second frequency band.
  • the first frequency band is a frequency band including the main channel
  • the second frequency band is a frequency band excluding the main channel.
  • the first communication device when the first communication device establishes the BSS, it needs to indicate in the first frame multiple frequency bands where the BSS works. For example, it is necessary to indicate the frequency band that does not include the main channel (ie, the second frequency band) in the first frame.
  • the first communication device may indicate the operation level field in the first frame.
  • the first frame includes the first operation level field, and the first operation level field is used to indicate the starting frequency point of the second frequency band. Therefore, after receiving the first operation level field in the first frame, the second communication device may determine the starting frequency point of the second frequency band according to the first operation level field.
  • the first frame generated by the first communication device may specifically include: a management frame.
  • the first frame may specifically be a beacon frame, or the first frame may be another management frame.
  • the first frame may specifically be an association response frame.
  • the specific implementation of the first frame can be determined in conjunction with the application scenario.
  • the main channel can be determined to be the first frequency band by detecting the main channel.
  • the first frame further includes: a second operation level field, that is, two operation level fields are included in the first frame, and the first operation level field is used to indicate the starting frequency point of the second frequency band The second operation level field is used to indicate the starting frequency point of the first frequency band. Therefore, after receiving the second operation level field in the first frame, the second communication device may determine the starting frequency point of the first frequency band according to the second operation level field.
  • the first frame further includes: a band identification field (Band ID), and the band identification field is used to identify the second frequency band. Therefore, after receiving the frequency band identification field in the first frame, the second communication device can identify the second frequency band according to the frequency band identification field.
  • Band ID band identification field
  • the first operation level field is in the first operation information field; the first operation information field is in the first operation element field; and the first operation element field is in the first In one frame.
  • the first frame may include an operation element field, the operation element field may include an operation information field, and the operation information field may include an operation level field.
  • the design of the previous generation of operation information should be considered in the design of the new generation of operation information.
  • a first frame may be generated by the first communication device, and the first frame may include a first operation level field, where the first operation level field is used to indicate the starting frequency point of the second frequency band.
  • the first operation level field when the value of the first operation level field is a preset value, the first operation level field is used to indicate that the BSS works in the first frequency band, and the BSS does not support the second frequency band.
  • the first operation level field in the first frame may be the operating class field in the management frame.
  • the operating class field is a special value (such as 0 or 255), it indicates that there is no second frequency band, and the BSS works in the first Frequency band, and the BSS does not support the second frequency band, that is, the first communication device only uses the first frequency band for communication, and the first communication device does not support the second frequency band.
  • the first communication device sends the first frame.
  • the first communication device may send the first frame through the communication network, for example, the first communication device and the second communication device are in the same communication network Then, the first communication device may send the first frame to the second communication device.
  • the first communication device may send the first frame through the communication network, for example, the first communication device and the second communication device are in the same communication network.
  • the first communication device may send the first frame to the second communication device.
  • the first frame may be a beacon frame, which is periodically sent by the AP.
  • the beacon frame is used to indicate the starting frequency point of the second frequency band where the BSS works, so that the station that receives the beacon frame knows the The starting frequency point of the second frequency band for BSS operation.
  • the AP and the STA transmit downlink or uplink data frames in a time-division manner through competition, and the data frames may be transmitted using the first frequency band and the second frequency band supported by the BSS.
  • a beacon frame to indicate the starting frequency of the second frequency band, it can also be sent through other management frames, such as an association response frame.
  • the second communication device receives the first frame from the first communication device.
  • the first communication device and the second communication device are in the same communication network, the first communication device may send the first frame to the second communication device, and the second communication device may receive the first frame through the communication network The first frame.
  • the first frame received by the second communication device may specifically include: a management frame.
  • the first frame may specifically be a beacon frame, or the first frame may be another management frame, for example, the first frame may specifically be an association response frame.
  • the specific implementation of the first frame can be determined in conjunction with the application scenario.
  • the second communication device parses the first frame to obtain the first operation level field.
  • the first communication device generates the first frame and sends it to the second communication device.
  • the second communication device may parse out the first operation level field from the first frame according to a pre-configured frame structure parsing method, and obtain the value of the first operation level field.
  • the second communication device determines the starting frequency point of the second frequency band for BSS operation established by the first communication device according to the first operation level field.
  • the BSS works in the first frequency band and the second frequency band simultaneously, where the first frequency band includes The frequency band of the main channel, and the second frequency band is a frequency band excluding the main channel.
  • the second communication device after determining the first operation level field, obtains the value of the first operation level field, and the second communication device determines the second frequency band of the BSS working according to the first operation level field The starting frequency point, so that the second communication device can determine multiple frequency bands used by the first communication device, so as to perform multi-band aggregate transmission.
  • the first frame generated by the first communication device includes a first operation level field, and the first operation level field is used to indicate the starting frequency point of the second frequency band.
  • the communication device sends the first frame to the second communication device, so the second communication device can obtain the first operation level field according to the received first frame, and parsing the first operation level field can determine the start of the second frequency band
  • the starting frequency point therefore, in the embodiments of the present application, frequency band indication in a multi-band aggregation scenario can be implemented to improve resource use efficiency.
  • the working bandwidth can be indicated in the following manner, for example, indicating the starting frequency points of the two frequency bands (the first frequency band and the second frequency band) frequency).
  • channels in two frequency bands can be used for transmission simultaneously, for example, 5 GHz and 6 GHz frequency bands are used for transmission simultaneously, and 5 GHz and 6 GHz are two different frequency bands.
  • the first frequency band may be a 5 GHz frequency band, which includes a main channel
  • the second frequency band may be a 6 GHz frequency band, which does not include a main channel
  • the first frequency band may be a 6 GHz frequency band
  • the 6 GHz frequency band includes a main channel
  • the second frequency band may be a 5 GHz frequency band, which does not include the main channel.
  • the first communication device may indicate the starting frequency point of the second frequency band in the EHT operation element.
  • FIG. 4 it is a schematic diagram of the AP sending bandwidth indication information provided by an embodiment of the present application.
  • the AP sends bandwidth indication information.
  • the bandwidth indication information may specifically be a bandwidth signal for supporting multiband aggregation mode (bandwidth signaling for multiband aggregation mode).
  • the BSS established by the AP can work in band 1 and band 2 at the same time.
  • band 1 Frequency segment 1 and frequency segment 2 can be included.
  • Frequency band 2 can include frequency segment 3 and frequency segment 4.
  • the bandwidth signal used to support multi-band aggregation can be used to indicate The starting frequency point of frequency band 2, and / or indicating to which frequency band the four frequency segments belong respectively.
  • the beacon frame may include: an EHT operation element field, and the EHT operation element field may include an element identification (ID) field, a length field, an EHT operation information field, and the EHT operation information field may include an operation Level field and frequency band identification field.
  • the first beacon frame may include: a VHE operation element field, and the VHE operation element field may include: an element identification field, a length field, a VHE operation information field, and the VHE operation information field may include an operation level field And band identification fields.
  • the AP indicates the operation level field of the second frequency band in the EHT operation element field. If the AP supports multi-band aggregate transmission, it can carry bandwidth indication information in the sent beacon frame.
  • the bandwidth indication information includes bandwidth indication information for multiple frequency bands.
  • the multiple frequency bands may specifically be 2 frequency bands, or 3 frequency bands, below Using 2 frequency bands as an example, the bandwidth indication information may be an operating class field or a band ID field.
  • the specific carrying method may be that the beacon frame carries the EHT operation element field, the EHT operation element field carries the EHT operation information field, the EHT operation information field carries the operating class field, and further, the EHT operation information field may also carry the band ID field.
  • the operating class field is used to indicate the starting frequency point of the second frequency band, and the operating class field can also be used to indicate the behavior specification of the second frequency band.
  • each operating class field specifies a set of parameters, including the starting frequency of the frequency band, the bandwidth interval of the channel, the set of available channels, and the behavior mode. For example, for the newly added 6GHz band, it is also necessary to define the value of one or more operating class fields to specify the specific values of the above parameters.
  • the newly defined value can be carried in the operating class field in this embodiment of the present application, and the operating class field can instruct the first frequency band and the second frequency band to perform multi-band aggregate transmission.
  • the beacon frame in addition to the operating class field of the second frequency band, may also carry the operating class field of the first frequency band (that is, the frequency band where the main channel is located) in the EHT operation element field .
  • the beacon frame may include the operating class field of the first frequency band, or may not include the operating class field.
  • the UE may receive the beacon frame, and calculate the starting frequency point of the first frequency band according to the actual frequency of the main channel of the beacon frame and the channel index number of the main channel.
  • Channel center represents the actual frequency of the channel
  • Channel starting frequency represents the starting frequency of the frequency band
  • dot11CurrentChannelCenterFrequencyIndex is the channel index number. The relationship between the three meets the following:
  • Channel center frequency [MHz] Channel starting frequency + 5 * dot11CurrentChannelCenterFrequencyIndex.
  • the starting frequency point of the first frequency band can also be calculated from the actual frequency of the main channel and the channel index number of the main channel.
  • FIG. 6 is a schematic diagram of another interaction process between two communication devices according to an embodiment of the present application.
  • the multi-band indication method provided by the embodiment of the present application mainly includes the following steps.
  • the first communication device generates a first frame.
  • the first frame includes: N channel center frequency segment fields and a multi-band aggregation mode field; wherein, when the BSS established by the first communication device works in the first frequency band and the second When the frequency band is used, the multi-band aggregation mode field is used to indicate that the frequency segment corresponding to at least one channel center frequency segment field in the N channel center frequency segment fields belongs to the first frequency band or the second frequency band, and the N channel center frequency segment fields N frequency segments used to indicate the operation of the BSS.
  • the first frequency band is a frequency band that includes a main channel
  • the second frequency band is a frequency band that does not include a main channel.
  • the value of N is a positive integer greater than or equal to 2.
  • the N channel center frequency segment fields are used to indicate the N frequency segments operated by the BSS, for example, the value of N may be 4, or 3, or 2, etc., then each channel center frequency
  • the segmentation field is used to indicate a frequency segmentation for BSS operation.
  • the first frame also includes a multi-band aggregation mode (multi-band aggregation mode) field.
  • the multi-band aggregation mode field is used to indicate the frequency division corresponding to at least one channel center frequency segment field of the N channel center frequency segment fields The segment belongs to the first frequency band or the second frequency band.
  • the multi-band aggregation mode field may include multiple values, and each different value indicates a frequency band to which one of N channel center frequency segment fields belongs.
  • the multi-band aggregation mode field may also be a bit map, and each bit is used to indicate whether the corresponding frequency segment belongs to the first frequency band or the second frequency band. For example, a bit of 0 indicates that the corresponding frequency segment belongs to the first frequency band, and a bit of 1 indicates that the corresponding frequency segment belongs to the second frequency band.
  • the N channel center frequency segment fields are the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment field, The fourth channel center frequency segment field, where,
  • the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the second channel, the center frequency segment field of the third channel, and the center frequency segment field of the fourth channel respectively belongs;
  • the first channel center frequency segment field, the second channel center frequency segment field, the third channel center frequency segment field, and the fourth channel center frequency segment field are used to indicate four frequency segments for BSS operation.
  • the N channel center frequency segment fields are the first channel center frequency segment field, the second channel center frequency segment field, and the The three-channel center frequency segment field and the fourth channel center frequency segment field, where the frequency segment corresponding to the first channel center frequency segment field belongs to the first frequency band where the main channel is located, and the multi-band aggregation mode field may indicate the second Channel center frequency segment field, third channel center frequency segment field, fourth channel center frequency segment field correspond to the frequency band to which the frequency segment belongs, second channel center frequency segment field, third channel center frequency segment The field and the fourth channel center frequency segment field may belong to the first frequency band or the second frequency band, depending on the application scenario.
  • EHT operation inforamtion field is a field in the EHT operation element field.
  • the EHT operation inforamtion field can be used to describe channel-related parameters in the EHT standard, such as multi -band aggregation mode is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the second channel, the center frequency segment field of the third channel, and the center frequency segment field of the fourth channel respectively belongs.
  • the first frame further includes: a channel bandwidth field, and the channel bandwidth field is used to indicate the BSS bandwidth;
  • the length of the channel bandwidth field is 1 byte
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, 160 + 80 + 80MHz, 80 + 160 + 80MHz, 80 + 80 + 80 + 80MHz , 240 + 80MHz, 80 + 240MHz, 240MHz, 160 + 80MHz, 80 + 160MHz, or 80 + 80 + 80MHz.
  • different values of the channel bandwidth field can be used to indicate the BSS bandwidth, but it is not limited that the same value of the channel bandwidth field can indicate multiple BSS bandwidths, and the position of the working channel for the BSS can be determined by the first channel The center frequency segment field, the second channel center frequency segment field, the third channel center frequency segment field, and the fourth channel center frequency segment field.
  • the first communication device may determine the BSS bandwidth and the location of the working channel to be used according to the BSS established by the first communication device.
  • the channel bandwidth field in the first frame may be the EHT Channel Width field, and the length is 1 byte.
  • the channel bandwidth field is used to indicate the BSS bandwidth.
  • the BSS bandwidth can have multiple types. When the BSS bandwidth is extended to 320MHz, the specific modes can be divided into 320MHz, 160 + 160MHz, 160 + 80 + 80MHz, 80 + 80 + 160MHz Or 80 + 80 + 80 + 80MHz several different forms. The "+" indicates that the total bandwidth is composed of two or more different frequency segments.
  • the first frame as a beacon frame as an example, as shown in FIG. 7, it is another schematic structural diagram of a beacon frame provided by an embodiment of the present application.
  • the channel center frequency segment field in the first frame may specifically be a Channel Center Frequency Segment (CCFS for short) field.
  • CCFS Channel Center Frequency Segment
  • the first channel center frequency segment field may be CCFS3, the second channel center frequency segment field may be CCFS4, the third channel center frequency segment field may be CCFS5, and the fourth channel center frequency segment field may be CCFS6 ,
  • CCFS3, CCFS4, CCFS5 and CCFS6 can indicate the location of the working channel of the BSS, for example, it can indicate the channel index number of the center frequency point of each working channel, combined with the starting frequency point of the combined frequency band, each work The actual center frequency of the channel.
  • the beacon frame may include: an EHT operation element field.
  • the EHT operation element field may include: an element identification field, a length field, an EHT operation information field, and the EHT operation information field may include an operation level field, a multi-band aggregation mode field, Channel bandwidth field, CCFS3, CCFS4, CCFS5 and CCFS6.
  • CCFS3 and CCFS4 need to be carried in the EHT operation element field , CCFS5, CCFS6, used to indicate the center frequency of the 4 frequency segments.
  • CCFS5 and CCFS6 used to indicate the center frequency of the 4 frequency segments.
  • CCFS5 and CCFS6 used to indicate the center frequency of the 4 frequency segments.
  • CCFS5 and CCFS6 used to indicate the center frequency of the 4 frequency segments.
  • it also needs to carry a multi-band aggregation mode field to indicate to which frequency band the four frequency segments belong respectively.
  • the multi-band aggregation mode field may take a special value (such as 255) to indicate that all frequency segments belong to the first frequency band.
  • CCFS3 is the first frequency band and the rest are the second frequency band 1 CCFS3 and CCFS4 are the first frequency band, and the rest are the second frequency band 2 CCFS3, CCFS4, CCFS5 are the first frequency band, and the rest are the second frequency band ... ... (255) (4 frequency segments belong to the first frequency band)
  • the multi-band aggregation mode field may also be a bitmap (bitmap), where the bitmap contains 4 bits, and each bit is used to indicate whether the corresponding frequency segment belongs to the first frequency band or the second frequency band. For example, if the bit is 0, it indicates that the corresponding frequency segment belongs to the first frequency band; if the bit is 1, it indicates that the corresponding frequency segment belongs to the second frequency band.
  • bitmap bitmap
  • the channel bandwidth field needs to be carried to indicate the operating bandwidth of the BSS. As shown in Table 2 below.
  • the value of the first channel center frequency segment field, the value of the second channel center frequency segment field, the value of the third channel center frequency segment field, the value of the fourth channel center frequency is determined by the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, the value of the current channel center frequency indicator 2, and the value of the current channel center frequency indicator 3. get.
  • the first communication device first determines the value of the channel width field, the first communication device determines the number of frequency segments, and the first communication device indicates the center frequency used by each frequency segment according to the number of frequency segments
  • the indicator determines the value of the four indicators.
  • the values of the four indicators include: the value of the current channel center frequency indicator 0, the value of the current channel center frequency indicator 1, and the value of the current channel center frequency indicator 2. Value, the value of the current channel center frequency indicator 3.
  • the current channel center frequency indicator 0 may be dot11CurrentChannel CenterFrequencyIndex0
  • the current channel center frequency indicator 1 may be dot11CurrentChannel CenterFrequencyIndex1
  • the current channel center frequency indicator 2 may be dot11CurrentChannel CenterFrequencyIndex2
  • the current channel center frequency indicator 3 Specifically, it can be dot11CurrentChannelCenterFrequencyIndex3.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 24
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 minus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 8.
  • the value of the center channel frequency segment field of the fourth channel is the value of the current channel center frequency indicator 0 plus 24; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 and then minus 8
  • the second channel center frequency segment The value of the field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 and then minus 8
  • the fourth channel center frequency The value of the segmentation field is the value of the current channel center frequency indicator 1 plus 8; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the value of the center frequency segment field of the second channel
  • the value of is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2 and then minus 8
  • the value of the fourth channel center frequency segment field The value is the value of the current channel center frequency indicator 2 plus 8; or,
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 8, the center frequency of the second channel
  • the value of the segment field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the fourth channel center frequency is The value of the segment field is the value of the current channel center frequency indicator 2; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0, and the center channel frequency segment field of the second channel
  • the value of the current channel center frequency indicator 1 is subtracted by 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 8
  • the value of the fourth channel center frequency is divided by The value of the segment field is the value of the current channel center frequency indicator 2; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0
  • the value of the second channel center frequency is The value of the segment field is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2
  • the value of the fourth channel center frequency segment field is the value of the current channel center frequency indicator 3; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 16, the center frequency segment of the second channel
  • the value of the field is the value of the current channel center frequency indicator 0
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16
  • the fourth channel center frequency segment field Is the value of the current channel center frequency indicator 1; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1
  • the value of the fourth channel center frequency segment field Add 16 to the value of the current channel center frequency indicator 1; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 16, the value of the center frequency segment field of the second channel
  • the value is the value of the current channel center frequency indicator 0
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16, the value of the fourth channel center frequency segment field
  • the value is 0; or,
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 and then minus 8
  • the second channel center frequency segment The value of the field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1, the fourth channel center frequency segment field Is 0; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1 minus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 8, the value of the fourth channel center frequency segment field Is 0; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the center channel frequency segment field of the second channel Is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2
  • the value of the fourth channel center frequency segment field is 0.
  • the first communication device may determine the current channel according to the number of frequency segments of the BSS working bandwidth and the center frequency of each frequency segment
  • the value of the center frequency indicator 0, the value of the current channel center frequency indicator 1, the value of the current channel center frequency indicator 2, and the value of the current channel center frequency indicator 3.
  • the center frequency of the frequency segment and the current channel center frequency indicator can be determined by a preset mapping relationship.
  • the value of a channel bandwidth field can be "4" to indicate all bandwidths greater than 160MHz. For example, there are 11 cases of channel bandwidth mode.
  • the channel bandwidth field can also be set to different values to distinguish these 11 Kind of situation.
  • the specific channel bandwidth mode can be distinguished by using the relationship between the values of CCFS3, CCFS4, CCFS5, and CCFS6. As shown in Table 3 below.
  • dot11CCCFI is an abbreviation of dot11CurrentChannelCenterFrequencyIndex, and the value is configured by the system.
  • the meanings of dot11CCCFI0, dot11CCCFI1, dot11CCCFI2, and dot11CCCFI3 are as follows: When the bandwidth of the entire BSS is composed of several discrete frequency segments, dot11CCCFI0, dot11CCCFI1, dot11CCCFI2, dot11CCCFI3 represent the first, second, and third respectively The channel index number of the center frequency of the third and fourth frequency segments. It should be noted that CCFS3 / 4/5/6 respectively indicate the channel index number of each center frequency of 80 MHz.
  • the EHT AP can indicate the bandwidth of the BSS to the stations of 802.11ac and 802.11ax through the values of CCFS0 and CCFS1 in the Very High Throughput (VHT) operation element.
  • VHT Very High Throughput
  • CCFS0 can be set to the channel index number of the center frequency of the 80MHz frequency segment where the main channel is located;
  • CCFS1 can be set in two cases: when the main channel is located at 80MHz in a continuous 160MHz, CCFS1 is set to continuous The channel index of the center frequency of 160MHz; when the 80MHz of the main channel is not in a continuous 160MHz, set CCFS1 as the channel index of the center frequency of the second 80MHz frequency segment.
  • the first frame further includes a segment size field, which is used to indicate the segment size of the N channel center frequency segment fields, respectively.
  • the EHT operation information field may also carry a segment size field to indicate the size of the four frequency segments.
  • each frequency segment may not be a fixed 80MHz, but is indicated by the segment size field. It can be 20MHz, 40MHz, 80MHz, or 160MHz, or the segment size can be 20MHz, 40MHz, 80MHz, or the segment size can be 40MHz, 80MHz, or the segment size can be 20MHz, 80MHz, or segment The size can be 80MHz, 160MHz.
  • the size of each of the four frequency segments may be the same or different.
  • the segment size field indicates the size of each frequency segment separately. As an example, the following is a total of 4 frequency segments. You can use a variable to indicate the size of the 4 frequency segments. At this time, the size of the 4 frequency segments is the same; you can also use 4 variables: segment size 1, segment The size 2, segment, size 3, and segment size 4 represent the size of the four frequency segments. At this time, the size of the four frequency segments may be different.
  • the first frame as a beacon frame as an example, as shown in FIG. 8, it is a schematic structural diagram of a composition structure of an EHT operation information field provided by an embodiment of the present application.
  • the EHT operation information fields include: channel bandwidth field, first operation level field, CCFS3, CCFS4, CCFS5, CCFS6, second operation level field, CCFS7, CCFS8, CCFS9, CCFS10.
  • the first operation level field is used to indicate CCFS3, CCFS4, CCFS5, and CCFS6 in the first frequency band
  • the second operation level field is used to indicate CCFS7, CCFS8, CCFS9, and CCFS10 in the second frequency band.
  • the N channel center frequency segment fields are the first channel center frequency segment field, the second channel center frequency segment field, the fifth channel center frequency segment field, The sixth channel center frequency segment field, where,
  • the first channel center frequency segment field and the second channel center frequency segment field are in the first operation element field
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operation element field;
  • the first operating element field and the second operating element field are in the first frame.
  • the first frame may include two operation element fields, namely a first operation element field and a second operation element field.
  • the first operation element field may specifically be an EHT operation information field, the first channel center frequency segmentation field and the first
  • the two-channel center frequency segment field is in the first operation element field, for example, the first channel center frequency segment field may be CCFS3, and the second channel center frequency segment field may be CCFS4.
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operation element field.
  • the second operation element field may specifically be a VHT operation information field, and the fifth channel center frequency segment field may be CCFS0.
  • the sixth channel center frequency segment field may be CCFS1.
  • the EHT operation information fields include: multi-band aggregation mode field, channel bandwidth field, operation level field, CCFS3, CCFS4.
  • An example is as follows, combined with CCFS0 and CCFS1 in the VHT Operation element field for joint indication. At this time, only need to carry CCFS3 and CCFS4 in the EHT operation element field.
  • CCFS0, CCFS1, CCFS3, CCFS4 can be used to indicate the center frequencies of four 80MHz frequency segments, respectively.
  • the center frequency segment field of the first channel and the center frequency segment field of the second channel are used to indicate that the BSS works in two frequency segments of the second frequency band;
  • the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to instruct the BSS to operate in the two frequency segments of the first frequency band.
  • the first channel center frequency segment field may be CCFS3, the second channel center frequency segment field may be CCFS4, the fifth channel center frequency segment field may be CCFS0, and the sixth channel center frequency segment field may be CCFS1.
  • the embodiments of this application may not modify the meanings of CCFS0 and CCFS1, and only design the values of CCFS3 and CCFS4 to support 320 MHz bandwidth and multi-band aggregation.
  • One way is that, by default, CCFS0 and CCFS1 indicate the first frequency band, and CCFS3 and CCFS4 indicate the second frequency band.
  • the center frequency segment field of the first channel, the center frequency segment field of the second channel, and the center frequency segment field of the fifth channel are used to indicate three frequency segments of the BSS operating in the second frequency band ;
  • the center frequency segment field of the sixth channel is used to indicate that the BSS works in a frequency segment of the first frequency band.
  • the first channel center frequency segment field may be CCFS3, the second channel center frequency segment field may be CCFS4, the fifth channel center frequency segment field may be CCFS5, and the sixth channel center frequency segment field may be CCFS0.
  • the embodiments of this application may not modify the meaning of CCFS0, and only design the values of CCFS3, CCFS4, and CCFS5 to support 320MHz bandwidth and multi-band aggregation.
  • One way is that, by default, CCFS0 indicates the first frequency band, and CCFS3, CCFS4, and CCFS5 indicate the second frequency band.
  • the VHT operation element carries CCFS0 and CCFS1, which indicates the first frequency band by default
  • the EHT operation element carries CCFS3, CCFS4, and CCFS5, which indicates the second frequency band by default.
  • CCFS0, CCFS1, CCFS3, CCFS4 and CCFS5 it can be used to support EHT combined with VHT when the BSS bandwidth operating mode is 80 + 240, that is, the first frequency band is 80MHz, CCFS1 is 0, and the second frequency band When it is 240MHz, three frequency segments can be indicated by CCFS3, CCFS4 and CCFS5.
  • the first frame further includes: a multi-band aggregation mode field, where,
  • the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to instruct the BSS to operate in the two frequency segments of the first frequency band;
  • the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the first channel and the center frequency segment field of the second channel respectively belongs.
  • the first channel center frequency segment field may be CCFS3, the second channel center frequency segment field may be CCFS4, the fifth channel center frequency segment field may be CCFS0, and the sixth channel center frequency segment field may be CCFS1.
  • the embodiments of this application may not modify the meanings of CCFS0 and CCFS1, and only design the values of CCFS3 and CCFS4 to support 320 MHz bandwidth and multi-band aggregation.
  • Another way is that the default CCFS0 and CCFS1 indicate the first frequency band, and the multi-band aggregation mode field is used to indicate which frequency band CCFS3 and CCFS4 belong to. For example, shown in Table 4 below.
  • CCFS3 is the first frequency band
  • CCFS4 is the second frequency band 1
  • CCFS4 are the second frequency band 2 (or 255)
  • CCFS3 and CCFS4 are the first frequency band
  • the center frequency segment field of the fifth channel is used to indicate the center frequency of the 80 MHz frequency segment where the main channel is located;
  • the sixth channel center frequency segment field is used to indicate the continuous 160MHz center frequency of the main channel when the main channel's 80MHz is located in a continuous 160MHz; when the main channel's 80MHz is not in a continuous 160MHz, it indicates The center frequency of the second 80MHz frequency segment except the 80MHz where the main channel is located;
  • the first channel center frequency segment field is used to indicate the center frequency of the third 80MHz frequency segment when there is a third 80MHz frequency segment other than the 80MHz where the main channel is located and the second 80MHz;
  • the second channel center frequency segment field is used when the third 80MHz is in a continuous 160MHz, indicating the continuous 160MHz center frequency where the third 80MHz is located; when the third 80MHz is not in a continuous 160MHz and exists
  • the fourth 80MHz frequency segment except the 80MHz where the main channel is located, the second 80MHz and the third 80MHz frequency segment indicate the center frequency of the fourth 80MHz frequency segment; or
  • the fourth 80MHz frequency segment other than the 80MHz where the main channel is located, the second 80MHz and the third 80MHz frequency segment the center frequency of the fourth 80MHz frequency segment is indicated.
  • the first channel center frequency segment field may be CCFS3, the second channel center frequency segment field may be CCFS4, the fifth channel center frequency segment field may be CCFS0, and the sixth channel center frequency segment field may be CCFS1.
  • CCFS0, CCFS1, CCFS3, and CCFS4 are shown in Table 5 below:
  • N 2 or 3
  • N 2 or 3
  • the solution provided in the embodiment of the present application in the implementation scenario of N equal to 2 or 3 in the subsequent embodiment may be
  • the effect of is similar to the foregoing embodiment, and the effects in all subsequent scenes will not be described in detail one by one. Please refer to the effect description in the implementation scenario where N is equal to 4.
  • the first frame when N is equal to 2, the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, and a multi-band aggregation mode field, where,
  • the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the second channel respectively belongs;
  • the center frequency segment field of the first channel and the center frequency segment field of the second channel are used to indicate the two frequency segments that the BSS works in.
  • EHT operation information fields include: channel bandwidth field, operation level field, multi-band aggregation mode field, CCFS3, CCFS4, segment size field.
  • the multi-band aggregation mode field is used to indicate the CCFS4 segment size.
  • the first frame further includes: a channel bandwidth field, and the channel bandwidth field is used to indicate the BSS bandwidth;
  • the length of the channel bandwidth field is 1 byte
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, or 160 + 160MHz.
  • the value of the first channel center frequency segmentation field and the value of the second channel center frequency segmentation field pass the value of the current channel center frequency indicator 0, the current channel center frequency indicator Get the value of 1.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 16
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16;
  • the position of the BSS working channel is the following frequency position: 160 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0, which is further reduced by 16 or Plus 16
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0;
  • the position of the BSS working channel is the following frequency position: 160 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a channel bandwidth field, and the channel bandwidth field is used to indicate the BSS bandwidth;
  • the length of the channel bandwidth field is 1 byte
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 320 MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 160MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 240 + 80MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 240MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 240 MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 80MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 160MHz.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 16
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16;
  • the position of the BSS working channel is the following frequency position: 160 + 160MHz
  • the value of the center channel frequency segment of the first channel is the value of the current channel center frequency indicator
  • the value of the center frequency segment of the second channel is The value is the value of the current channel center frequency indicator 1; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 12, the value of the center channel frequency segment field of the second channel The value is the value of the current channel center frequency indicator 0 plus 12; or,
  • the position of the BSS working channel is the following frequency position: 160 + 80MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1; or,
  • the position of the BSS working channel is the following frequency position: 80 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1.
  • the first channel center frequency segment field and the second channel center frequency segment field are two consecutive frequency segments
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16 or minus 16, and the second channel center frequency is divided
  • the value of the segment field is the value of the current channel center frequency indicator 0; or,
  • the position of the BSS working channel is the following frequency position: 160 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 12 or plus 12, the center frequency of the second channel is divided
  • the value of the segment field is the value of the current channel center frequency indicator 0; or,
  • the position of the BSS working channel is the following frequency position: 160 + 80MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1; or,
  • the position of the BSS working channel is the following frequency position: 80 + 160MHz
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, a third operation level field, a third channel center frequency segment field, a Four-channel center frequency segmentation field, where,
  • the first operation level field is used to indicate that the first channel center frequency segment field and the second channel center frequency segment field belong to the second frequency band;
  • the center frequency segment field of the first channel and the center frequency segment field of the second channel are used to indicate the two frequency segments of the BSS operating in the second frequency band;
  • the third operation level field is used to indicate that the center frequency segment field of the third channel and the center frequency segment field of the fourth channel belong to the first frequency band;
  • the center frequency segment field of the third channel and the center frequency segment field of the fourth channel are used to instruct the BSS to operate in the two frequency segments of the first frequency band.
  • FIG. 10 it is another schematic structural diagram of a first frame provided by an embodiment of the present application.
  • the first case is that the bandwidth of each frequency segment is fixed at 160MHz. At this time, the channel bandwidth greater than 160MHz is only possible for consecutive 320MHz and 160 + 160MHz. Therefore, a value of the channel bandwidth (CW) section needs to be given to indicate the bandwidth of 320MHz and 160 + 160MHz, as shown in Table 6 below.
  • the setting methods of CCFS3 and CCFS4 can also have the following two.
  • the first type CCFS3 and CCFS4 indicate two 160MHz center frequencies respectively. As shown in Table 7 below.
  • the second type when the bandwidth is 160 + 160, CCFS3 and CCFS4 respectively indicate two 160MHz center frequencies; when the bandwidth is 320MHz, CCFS3 indicates the first 160MHz center frequency, and CCFS4 indicates the entire 320MHz center frequency. As shown in Table 8 below.
  • the second case is that the bandwidth of each frequency segment can vary.
  • a Segment and Size field may be carried in the EHT operation information field to indicate the size of the two frequency segments, such as 160 MHz or 80 MHz.
  • it may be two values, the first value indicates the bandwidth size of CCFS3, and the second value indicates the bandwidth size of CCFS4; it may also be a table, each entry in the table indicates a combination of different bandwidth sizes of CCFS3 and CCFS4 ; It can also be a value indicating the bandwidth of CCFS3 and CCFS4, the bandwidth of the two CCFS is equal.
  • the setting methods of CCFS3 and CCFS4 can also have the following two.
  • the first type CCFS3 and CCFS4 respectively indicate the center frequencies of the two frequency segments. As shown in Table 10 below.
  • CCFS3 and CCFS4 respectively indicate the center frequency of the two frequency segments; when there is only one frequency segment, CCFS3 indicates the first center frequency of 80MHz, CCFS4 Indicates the center frequency of the entire frequency segment. As shown in Table 11 below.
  • the multi-band aggregation mode field can be used to indicate to which frequency band CCFS3 and CCFS4 belong.
  • CCFS3 is the first frequency band
  • CCFS4 is the second frequency band 1
  • CCFS4 are the first frequency band
  • CCFS3 and CCFS4 use the value of operating class to determine whether CCFS3 and CCFS4 belong to the same frequency band or belong to different frequency bands. For example, when the value of operating class is not particularly worthwhile, CCFS3 and CCFS4 belong to two frequency bands; when the value of operating class is a special value (such as 255), CCFS3 and CCFS4 are the first frequency band.
  • the EHT operation information field includes: a channel bandwidth field, a first operation level field, CCFS3, CCFS4, a second operation level field, CCFS5, and CCFS6.
  • the CCFS indicating the two frequency bands separately without using the multi-band aggregation mode field.
  • the first frame further includes: a first channel center frequency segment field, a second channel center frequency segment field, a third channel center frequency segment field, and a multi-band aggregation mode field, where ,
  • the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the second channel and the center frequency segment field of the third channel respectively belongs;
  • the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment field are used to indicate three frequency segments for BSS operation.
  • the first frame further includes: a channel bandwidth field, and the channel bandwidth field is used to indicate the BSS bandwidth;
  • the length of the channel bandwidth field is 1 byte
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, 80 + 240MHz, or 80 + 160MHz.
  • the value of the first channel center frequency segmentation field and the value of the second channel center frequency segmentation field pass the value of the current channel center frequency indicator 0, the current channel center frequency indicator The value of 1 and the value of the current channel center frequency indicator 2 are obtained.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 24
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 minus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16;
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 and then minus 8, and the second channel center frequency segment
  • the value of the field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the position of the working channel of the BSS is the following frequency position: 80 + 80 + 160MHz
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center frequency segment field of the second channel Is the current channel center frequency indicator 1 and the third channel center frequency segment field is the current channel center frequency indicator 2; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 8;
  • the position of the BSS working channel is the following frequency position: 80 + 160MHz
  • the value of the center channel frequency segment of the first channel is the value of the current channel center frequency indicator
  • the value of the center frequency segment of the second channel The value is 0, and the value of the center channel frequency segment field of the third channel is the value of the current channel center frequency indicator 1.
  • the first frame further includes: a segment size field, which is used to indicate the first channel center frequency segment field, the second channel center frequency segment field, and the third channel center frequency segment, respectively The segment size of the field.
  • the length of the channel bandwidth field is 1 byte
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 320 MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 160MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 80 + 160MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 240MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 240 MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 160MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 160 + 80MHz; or,
  • the channel bandwidth field is used to indicate that the BSS bandwidth is 80 + 80 + 80MHz.
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 minus 24
  • the value of the second channel center frequency segment field is the value of the current channel center frequency indicator 0 minus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16;
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 and then minus 8, and the second channel center frequency segment
  • the value of the field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the position of the working channel of the BSS is the following frequency position: 80 + 80 + 160MHz
  • the value of the center frequency segment field of the first channel is the value of the current channel center frequency indicator
  • the value of the center frequency segment field of the second channel Is the current channel center frequency indicator 1 and the third channel center frequency segment field is the current channel center frequency indicator 2; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1 minus 16
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 8;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0 and then minus 16, the value of the center channel frequency segment field of the second channel
  • the value of the current channel center frequency indicator 0 is the value
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 0 plus 16; or
  • the value of the first channel center frequency segment field is the value of the current channel center frequency indicator 0 and then minus 8, and the second channel center frequency segment
  • the value of the field is the value of the current channel center frequency indicator 0 plus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1; or,
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the value of the center channel frequency segment field of the second channel is The value is the value of the current channel center frequency indicator 1 minus 8
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 1 plus 8;
  • the value of the center channel frequency segment field of the first channel is the value of the current channel center frequency indicator 0
  • the center channel frequency segment field of the second channel The value of is the value of the current channel center frequency indicator 1
  • the value of the third channel center frequency segment field is the value of the current channel center frequency indicator 2.
  • the first frame further includes: a first channel center frequency segment field, a fifth channel center frequency segment field, and a sixth channel center frequency segment field, where,
  • the first channel center frequency segment field is in the first operation element field
  • the fifth channel center frequency segment field and the sixth channel center frequency segment field are in the second operation element field;
  • the first operating element field and the second operating element field are in the first frame.
  • the center frequency segment field of the first channel is used to indicate that the BSS works in a frequency segment of the second frequency band
  • the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to instruct the BSS to operate in the two frequency segments of the first frequency band.
  • the first frame further includes: a multi-band aggregation mode field, where,
  • the center frequency segment field of the fifth channel and the center frequency segment field of the sixth channel are used to instruct the BSS to operate in the two frequency segments of the first frequency band;
  • the multi-band aggregation mode field is used to indicate the frequency band to which the frequency segment corresponding to the center frequency segment field of the first channel belongs.
  • the center frequency segment field of the fifth channel is used to indicate the center frequency of the 80 MHz frequency segment where the main channel is located;
  • the sixth channel center frequency segment field is used to indicate the continuous 160MHz center frequency when the main channel's 80MHz is in a continuous 160MHz; when the main channel's 80MHz is not in a continuous 160MHz, it indicates that the main channel is not The center frequency of the second 80MHz frequency segment other than 80MHz;
  • the first channel center frequency segment field is used to indicate the center of the last continuous 160MHz frequency segment except the continuous 160MHz when the BSS bandwidth is 320MHz, 160 + 160MHz, 80 + 80 + 160MHz, or 80 + 240MHz Frequency; when the BSS bandwidth is 240MHz, 80 + 160MHz, 160 + 80MHz, or 80 + 80 + 80MHz, it indicates the center frequency of the last 80MHz frequency segment.
  • FIG. 12 it is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • the first case is that the size of the three frequency segments is 80MHz, 80MHz, and 160MHz, respectively.
  • the channel bandwidth greater than 160MHz has only five consecutive possibilities of 320MHz and 160 + 160MHz, 80 + 80 + 160, 80 + 240 and 80 + 160. Therefore, you need to assign a value to the Channel Width field to indicate these five bandwidths. As shown in Table 13 below.
  • the second case is that the bandwidth of the third frequency segment can be changed.
  • a Segment field may be carried in the EHT operation information field to indicate the size of the third frequency segment, such as 160 MHz or 80 MHz.
  • the multi-band aggregation mode field can be used to indicate to which frequency band CCFS3 and CCFS4 belong.
  • CCFS3 is the first frequency band
  • CCFS4 and CCFS5 are the second frequency band 1 CCFS3
  • CCFS4 are the first frequency band
  • CCFS5 is the second frequency band 2 (or 255)
  • CCFS3, CCFS4, CCFS5 all belong to the first frequency band
  • CCFS3, CCFS4, and CCFS5 are all the first frequency band.
  • FIG. 13 it is a schematic diagram of another composition structure of a beacon frame provided by an embodiment of the present application.
  • the bandwidth of CCFS3 may be 160 MHz, or it may be indicated by the segment size field, which will not be repeated here.
  • CCFS0, CCFS1, and CCFS3 can be used to complete the functions of CCFS3, CCFS4, and CCFS5 in the foregoing solution in this embodiment, and the solution is similar to the foregoing solution.
  • the meaning of CCFS0 and CCFS1 may not be modified, and only the value of CCFS3 is designed to support 320MHz bandwidth and multi-band aggregation.
  • CCFS0 / 1 indicates band 1
  • CCFS3 indicates band 2.
  • the embodiments of the present application can implement the operating class that carries the second frequency band in the EHT operation element.
  • a multi-band aggregation mode field may also be added to the beacon frame to indicate to which frequency band the four, two, and three CCFSs belong.
  • the embodiment of the present application may also add a segment size field to the beacon frame. The bandwidth size of the segment may be added to the beacon frame.
  • the embodiment may also add a bandwidth size field to the beacon frame to indicate various bandwidth aggregation methods.
  • the first communication device sends the first frame.
  • the first communication device may send the first frame through the communication network, for example, the first communication device and the second communication device are in the same communication network Then, the first communication device may send the first frame to the second communication device.
  • the first communication device may send the first frame through the communication network, for example, the first communication device and the second communication device are in the same communication network.
  • the first communication device may send the first frame to the second communication device.
  • the first frame generated by the first communication device may specifically include: a management frame.
  • the first frame may specifically be a beacon frame, or the first frame may be another management frame, for example, the first frame may specifically be an association response frame.
  • the specific implementation of the first frame can be determined in conjunction with the application scenario.
  • the second communication device receives the first frame from the first communication device.
  • the first communication device and the second communication device are in the same communication network, the first communication device may send the first frame to the second communication device, and the second communication device may receive the first frame through the communication network The first frame.
  • the second communication device parses the first frame to obtain N channel center frequency segment fields and multi-band aggregation mode fields.
  • the value of N is a positive integer greater than or equal to 2.
  • the first communication device generates the first frame and sends it to the second communication device.
  • the second communication device receives the first frame, according to the pre-configured frame structure parsing method, the second communication device can parse out the N channel center frequency segmentation fields and multi-band aggregation mode fields from the first frame and obtain The value of the N channel center frequency segment field and the value of the multi-band aggregation mode field.
  • the second communication device determines that the N frequency segments for the BSS established by the first communication device belong to the first frequency band or the second frequency band according to the N channel center frequency segment field and the multi-band aggregation mode field, respectively.
  • the first frequency band is Including the frequency band of the main channel
  • the second frequency band is the frequency band excluding the main channel.
  • the second communication device after determining the N channel center frequency segment fields and the multi-band aggregation mode field, obtains the value and the multi-band aggregation mode of the N channel center frequency segment fields acquired The value of the field is determined by the second communication device according to the N channel center frequency segment field and the multi-band aggregation mode field.
  • the N frequency segments that the BSS works belong to the first frequency band or the second frequency band, respectively, so that the second communication device can
  • the N frequency segment used by the first communication device is determined, so as to perform multi-band aggregate transmission.
  • the first frame generated by the first communication device includes N channel center frequency segment fields and multi-band aggregation mode fields, and the first communication device sends the second frame to the second communication device.
  • the first frame so the second communication device can obtain N channel center frequency segment fields and multi-band aggregation mode fields according to the received first frame, and accordingly determine the N frequency segments that the BSS works, and N Each frequency segment belongs to the first frequency band or the second frequency band, respectively. Therefore, in this embodiment of the present application, frequency segment indication in a multi-band aggregation scenario can be implemented to improve resource use efficiency.
  • the communication device 1400 may be a first communication device or a second communication device. It should be understood that the first communication device described in this embodiment has the Any function of a communication device.
  • the second communication device described in this embodiment has any function of the second communication device in the above method.
  • the communication device 1400 may include a processing module 1401, a sending module 1402, and a receiving module 1403. The processing module 1401 is connected to the sending module 1402 and the receiving module 1403 respectively. Next, the functions of each module in the communication device 1400 will be described.
  • the first communication device includes:
  • the processing module is configured to generate a first frame, the first frame includes: a first operation level field, wherein, when the basic service set BSS established by the first communication device works in the first frequency band and the second frequency band at the same time, The first operation level field is used to indicate a starting frequency point of the second frequency band, the first frequency band is a frequency band including a main channel, and the second frequency band is a frequency band excluding the main channel;
  • the sending module is configured to send the first frame.
  • the second communication device includes:
  • a receiving module configured to receive the first frame from the first communication device
  • the processing module is used to parse the first frame to obtain the first operation level field
  • the processing module is configured to determine the starting frequency point of the second frequency band in which the basic service set BSS established by the first communication device operates according to the first operation level field, the BSS working in the first frequency band and the first Two frequency bands, wherein the first frequency band is a frequency band that includes a main channel, and the second frequency band is a frequency band that does not include the main channel.
  • the first communication device includes:
  • the processing module is configured to generate a first frame, the first frame includes: N channel center frequency segmentation fields and a multi-band aggregation mode field; wherein, when the basic service set BSS established by the first communication device works at the same time In the first frequency band and the second frequency band, the multi-band aggregation mode field is used to indicate that a frequency segment corresponding to at least one channel center frequency segment field of the N channel center frequency segment fields belongs to the first frequency band or In the second frequency band, the N channel center frequency segment fields are used to indicate the N frequency segments that the BSS works in.
  • the first frequency band includes a main channel
  • the second frequency band does not include the For the frequency band of the main channel, the value of N is a positive integer greater than or equal to 2;
  • the sending module is configured to send the first frame.
  • the second communication device includes:
  • a receiving module configured to receive the first frame from the first communication device
  • the processing module is configured to parse the first frame to obtain N channel center frequency segment fields and multi-band aggregation mode fields, and the value of N is a positive integer greater than or equal to 2;
  • the processing module is configured to determine, according to the N channel center frequency segment fields and the multi-band aggregation mode field, the N frequency segments for the basic service set BSS established by the first communication device to belong to the first frequency band or In the second frequency band, the first frequency band is a frequency band that includes a main channel, and the second frequency band is a frequency band that does not include the main channel.
  • the communication device provided in the above embodiment can be implemented in multiple product forms, for example, the communication device can be configured as a general processing system; for example, the communication device can be formed by a general bus system Structure; for example, the communication device may be implemented by an application specific integrated circuit (ASIC), and so on.
  • ASIC application specific integrated circuit
  • the communication device may be the foregoing first communication device or second communication device.
  • the first communication device described in this embodiment has any function of the first communication device in the above method.
  • the second communication device described in this implementation has any function of the second communication device in the above method.
  • the foregoing first communication device or second communication device includes a processor 1502 and a transceiver 1504; optionally, the information receiving / transmitting device may further include a storage medium 1503. Among them, the processor 1502, the transceiver 1504, and the storage medium 1503 communicate with each other through an internal connection.
  • the processor 1502 is used to execute the method in any possible implementation manner of the first communication device; the transceiver 1504 receives the control of the processor 1502 and is used to execute any of the first communication device. Transmitting and receiving signals in the method in the possible implementation; the storage medium 1503 is used to store instructions that are called by the processor to perform the method in any possible implementation of the first communication device.
  • the processor 1502 is used to execute the method in any possible implementation manner of the second communication device; the transceiver 1504 receives the control of the processor 1502 and is used to execute the second communication device The transmission and reception of signals in the method in any possible implementation; the storage medium 1503 is used to store instructions that are called by the processor to execute the method in any possible implementation of the second communication device.
  • the general-purpose processor includes: a processing circuit 1602 and a transceiver pin 1604. It is not limited that the transceiver pin in the general-purpose processor can also be replaced with a transceiver interface.
  • the general-purpose processor may further include a storage medium 1603. Among them, the processing circuit 1602, the transceiver pin 1604, and the storage medium 1603 communicate with each other through an internal connection. It should be understood that the general-purpose processor described in this embodiment has any function of the first communication device in the above method, or any function of the second communication device in the above method.
  • the processing circuit 1602 is used to execute the method in any possible implementation manner of the first communication device; the transceiver pin 1604 receives the control of the processing circuit 1602 and is used to execute the first communication device. Transmitting and receiving signals in the method in any possible implementation; the storage medium 1603 is used to store instructions that are called by the processor to perform the method in any possible implementation of the first communication device.
  • the processing circuit 1602 is used to execute the method in any possible implementation manner of the second communication device; the transceiver pin 1604 receives the control of the processing circuit 1602 to execute the second communication device Receiving and sending signals in the method in any possible implementation manner; storage medium 1603 for storing instructions that are called by the processor to perform the method in any possible implementation manner of the second communication device.
  • communication equipment can also be implemented using the following: one or more field programmable gate arrays (field programmable gate array (FPGA)), programmable logic devices (programmable logic device (PLD), control Any combination of circuits, state machines, gate logic, discrete hardware components, any other suitable circuits, or circuits capable of performing the various functions described throughout this application.
  • FPGA field programmable gate array
  • PLD programmable logic device
  • the device embodiments described above are only schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be The physical unit may be located in one place, or may be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • the connection relationship between the modules indicates that there is a communication connection between them, which may be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement without paying creative labor.
  • the technical solution of the present application can essentially be embodied in the form of a software product that contributes to the existing technology, and the computer software product is stored in a readable storage medium, such as a computer floppy disk , U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or CD-ROM, etc., including several instructions to make a computer device (which can be Personal computers, servers, or network equipment, etc.) execute the methods described in the embodiments of the present application.
  • a computer device which can be Personal computers, servers, or network equipment, etc.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, all or part of the processes or functions according to the embodiments of the present application are generated.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server or data center Transmit to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • wired such as coaxial cable, optical fiber, digital subscriber line (DSL)
  • wireless such as infrared, wireless, microwave, etc.
  • the computer-readable storage medium may be any available medium that can be stored by a computer or a data storage device including a server, a data center, and the like integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, Solid State Disk (SSD)) or the like.

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Abstract

本申请实施例公开了一种多频段指示方法和通信设备,用于实现在多频段聚合场景下的频段指示,提高资源使用效率。本申请实施例提供一种多频段指示方法,包括:第一通信设备生成第一帧,所述第一帧包括:第一操作等级字段,其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述第一操作等级字段用于指示所述第二频段的起始频点,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段;所述第一通信设备发送所述第一帧。

Description

一种多频段指示方法和通信设备
本申请要求于2018年11月7日提交中国专利局、申请号为201811320739.5、发明名称为“一种多频段指示方法和通信设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域,尤其涉及一种多频段指示方法和通信设备。
背景技术
目前无线通信系统大规模应用部署,可向多个用户提供各种类型的通信,例如,语音、数据、多媒体业务等。
电气和电子工程师协会(institute of electrical and electronics engineers,IEEE)802.11是当前主流的无线接入标准之一,目前已经获得了极其广泛的商业应用。WLAN无线设备指数级的增加,对WLAN无线通信速率的需求也越来越高。从802.11a经802.11g、802.11n、802.11ac到802.11ax的演进过程中,可用频段包括2.4GHz和5GHz。为了大幅提升WLAN系统的业务传输速率,IEEE正在推动将可用的频段扩展到6GHz。
在IEEE 802.11a标准中,只支持20兆赫(mega hertz,MHz)带宽,在后续标准演进过程中带宽不断增大。其中,802.11n标准中最大支持40MHz带宽,802.11ac/ax标准中最大支持160MHz带宽。
接入点(access point,AP)设备可以建立基本服务集(basic service set,BSS),并向站点(station,STA)指示该BSS的工作信道的大小和位置,现有技术中采用的指示方式只能适用于160MHz及以下的带宽范围,且在802.11n和802.11ac中,只能利用一个频段的频谱资源进行通信。而极端高吞吐量(extremely high throughput,EHT)作为下一代的无线保真(wireless-fidelity,Wi-Fi)标准,其最大带宽将被扩展到320MHz,现有技术中不支持最大带宽超过160MHz时的BSS带宽指示,且现在技术只能使用给一个频段的频谱资源,降低了资源使用效率。
发明内容
本申请实施例提供了一种多频段指示方法和通信设备,用于实现在多频段聚合场景下的频段指示,提高资源使用效率。
为解决上述技术问题,本申请实施例提供以下技术方案:
第一方面,本申请实施例提供一种多频段指示方法,包括:第一通信设备生成第一帧,所述第一帧包括:第一操作等级字段,其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述第一操作等级字段用于指示所述第二频段的起始频点,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段;所述第一通信设备发送所述第一帧。
在本申请实施例中,第一通信设备生成的第一帧中包括有第一操作等级字段,第一操作等级字段用于指示第二频段的起始频点,第一通信设备向第二通信设备发送该第一帧, 因此第二通信设备可以根据接收到的第一帧来获取到第一操作等级字段,解析该第一操作等级字段可以确定出第二频段的起始频点,因此本申请实施例中可以实现在多频段聚合场景下的频段指示,提高资源使用效率。
第二方面,本申请实施例还提供一种多频段指示方法,包括:第二通信设备从第一通信设备接收第一帧;所述第二通信设备解析所述第一帧,以得到第一操作等级字段;所述第二通信设备根据所述第一操作等级字段确定所述第一通信设备建立的基本服务集BSS工作的第二频段的起始频点,所述BSS同时工作在第一频段和所述第二频段,其中,所述第一频段是包括主信道的频段,所述第二频段是不包括所述主信道的频段。
在本申请实施例中,第一通信设备生成的第一帧中包括有第一操作等级字段,第一操作等级字段用于指示第二频段的起始频点,第一通信设备向第二通信设备发送该第一帧,因此第二通信设备可以根据接收到的第一帧来获取到第一操作等级字段,解析该第一操作等级字段可以确定出第二频段的起始频点,因此本申请实施例中可以实现在多频段聚合场景下的频段指示,提高资源使用效率。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:N个信道中心频率分段字段和多频段聚合模式字段,所述N的取值为大于或等于2的正整数;所述多频段聚合模式字段,用于指示所述N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段所属的频段;所述N个信道中心频率分段字段,用于指示所述BSS工作的N个频率分段。在本申请实施例中,N个信道中心频率分段字段用于指示BSS工作的N个频率分段,例如N的取值可以为4,或者3,或者2等等,则每个信道中心频率分段字段用于指示BSS工作的一个频率分段。在第一帧中还包括多频段聚合模式字段,该多频段聚合模式字段用于指示N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段属于第一频段或者第二频段。例如,该多频段聚合模式字段可以包括多个取值,每个不同的取值指示一种N个信道中心频率分段字段所属的频段。
在第一方面或第二方面的一种可能实现方式中,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,所述多频段聚合模式字段,用于指示所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段分别对应的频率分段所属的频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作的四个频率分段。其中,以第一帧中的频率分段的个数N取值为4为例,N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,第一信道中心频率分段字段对应的频率分段属于主信道所在的第一频段,多频段聚合模式字段可以指示第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段分别对应的频率分段所属的频段,第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段可以属于第一频段,或者属于第二频段,具体取决于应用场景。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:信道带宽字段, 所述信道带宽字段用于指示BSS带宽;所述信道带宽字段的长度为1个字节;所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz、160+160MHz、80+80+160MHz、160+80+80MHz、80+160+80MHz、80+80+80+80MHz、240+80MHz、80+240MHz、240MHz、160+80MHz、80+160MHz,或者80+80+80MHz。其中,信道带宽字段的不同取值可以用于指示BSS带宽,不限定的是,信道带宽字段的同一种取值可以指示多种的BSS带宽,对于BSS的工作信道的位置可以再由第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段。第一通信设备可以根据该第一通信设备建立的BSS来确定BSS带宽以及所需要使用的工作信道的位置。举例说明如下,第一帧中的信道带宽字段具体可以是EHT Channel Width字段,长度为1个字节。信道带宽字段用于指示BSS带宽,例如该BSS带宽可以有多种,在BSS带宽扩展到320MHz时,其具体模式又可以分为320MHz、160+160MHz、160+80+80MHz、80+80+160MHz或80+80+80+80MHz几种不同的形式。其中“+”代表总带宽是由两个或者多个不同的频率分段组成。
在第一方面或第二方面的一种可能实现方式中,所述第一信道中心频率分段字段的取值、所述第二信道中心频率分段字段的取值、所述第三信道中心频率分段字段的取值、所述第四信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值得到。其中,第一通信设备首先确定信道宽度字段的取值,第一通信设备确定频率分段的个数,第一通信设备根据频率分段的个数以及每个频率分段所使用的中心频率指示符确定出四个指示符的取值,四个指示符的取值包括:当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。举例说明如下,当前信道中心频率指示符0具体可以为dot11CurrentChannelCenterFrequencyIndex0,当前信道中心频率指示符1具体可以为dot11CurrentChannelCenterFrequencyIndex1,当前信道中心频率指示符2具体可以为dot11CurrentChannelCenterFrequencyIndex2,当前信道中心频率指示符3具体可以为dot11CurrentChannelCenterFrequencyIndex3。
在第一方面或第二方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减24,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加24;或者,
当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+160MHz时,所述第一信道中心 频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符3的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:240+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减16,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加16;或者,
当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段 字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为0。
需要说明的是,第一通信设备在确定出BSS的工作信道的位置之后,第一通信设备可以根据BSS的工作带宽的频率分段个数以及每个频率分段的中心频率来分别确定当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。其中频率分段的中心频率和当前信道中心频率指示符之间可以通过预设的映射关系来确定。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:分段大小字段,用于分别指示所述N个信道中心频率分段字段的分段大小。举例说明如下,EHT operation information字段中还可以携带分段大小字段,来指示4个频率分段的大小,这时每个频率分段可以不是固定的80MHz,而是由分段大小字段来指示,可以是20MHz,40MHz,80MHz,或者160MHz,又如分段大小可以是20MHz,40MHz,80MHz,又如分段大小可以是40MHz,80MHz,又如分段大小可以是20MHz,80MHz,又如分段大小可以是80MHz,160MHz。4个频率分段中的每个频率分段的大小可以相同也可以不同。
在第一方面或第二方面的一种可能实现方式中,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,所述第一信道中心频率分段字段和所述第二信道中心频率分段字段在第一操作元素字段中;所述第五信道中心频率分段字段和所述第六信道中心频率分段字段在第二操作元素字段中;所述第一操作元素字段和所述第二操作元素字段在所述第一帧中。其中,第一帧可以包括两个操作元素字段,分别为第一操作元素字段和第二操作元素字段,第一操作元素字段具体可以为EHT operation information字段,第一信道中心频率分段字段和第二信道中心频率分段字段在第一操作元素字段中,例如第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4。第五信道中心频率分段字段和第六信道中心频率分段字段在第二操作元素字段中,第二操作元素字段具体可以为VHT operation information字段,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。通过使用两个不同的操作元素字段,可实现在第一帧中携带四个信道中心频率分段字段,以实现对最大带宽为320MHz或240MHz时的BSS带宽指示。
在第一方面或第二方面的一种可能实现方式中,所述第一信道中心频率分段字段、所 述第二信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的两个频率分段;所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段。其中,第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。为了保持后向兼容性,本申请实施例中可以不修改CCFS0和CCFS1的含义,只对CCFS3和CCFS4的值进行设计来支持320MHz带宽和多频段聚合。一种方式为,默认CCFS0、CCFS1指示第一频段,CCFS3、CCFS4指示第二频段。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:多频段聚合模式字段,其中,所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段;所述多频段聚合模式字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段分别对应的频率分段所属的频段。其中,第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。为了保持后向兼容性,本申请实施例中可以不修改CCFS0和CCFS1的含义,只对CCFS3和CCFS4的值进行设计来支持320MHz带宽和多频段聚合。另一种方式为,默认CCFS0、CCFS1指示第一频段,用多频段聚合模式字段来指示CCFS3、CCFS4属于哪个频段。
在第一方面或第二方面的一种可能实现方式中,所述第五信道中心频率分段字段,用于指示所述主信道所在的80MHz的频率分段的中心频率;所述第六信道中心频率分段字段,用于当所述主信道所在的80MHz位于一个连续的160MHz中时,指示所述主信道所在的连续的160MHz的中心频率;当所述主信道所在的80MHz不在一个连续的160MHz中时,指示除所述主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;所述第一信道中心频率分段字段,用于当存在除所述主信道所在的80MHz和所述第二个80MHz以外的第三个80MHz的频率分段时,指示所述第三个80MHz的频率分段的中心频率;所述第二信道中心频率分段字段,用于当所述第三个80MHz位于一个连续的160MHz中,指示所述第三个80MHz所在的连续160MHz的中心频率;当所述第三个80MHz不在一个连续的160MHz中、且存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率;或者,当存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率。
在第一方面或第二方面的一种可能实现方式中,所述第一操作等级字段的取值为预设值时,所述第一操作等级字段用于指示所述BSS工作在所述第一频段,且所述BSS不支持所述第二频段。其中,第一帧中的第一操作等级字段可以是管理帧中的operating class域,operating class域为特殊值(如0或255)的时候,表示不存在第二个频段,BSS工作在第一频段,且BSS不支持第二频段,即第一通信设备只使用第一频段进行通信,该第一通信设备不支持第二频段。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:频段标识字段,所述频段标识字段用于标识所述第二频段。因此第二通信设备在接收到该第一帧中的频段标识字段之后,根据该频段标识字段可以识别出第二频段。
在第一方面或第二方面的一种可能实现方式中,所述第一操作等级字段在第一操作信息字段中;所述第一操作信息字段在第一操作元素字段中;所述第一操作元素字段在所述第一帧中。其中,第一帧中可以包括:操作元素字段,该操作元素字段可以包括操作信息字段,操作信息字段可以包括操作等级字段。另外就是由于每一代标准都是兼容之前的各代标准的,因此在新一代operation information设计上要考虑之前各代的operation information的设计。举例说明,以下一代的Wi-Fi标准为EHT为例,其最大带宽将被扩展,例如最大带宽可以扩展到240MHz,或者扩展到320MHz,因此需要为带宽扩展之后的第一帧设计新的帧结构格式,本申请实施例中可以由第一通信设备生成第一帧,该第一帧中可以包括第一操作等级字段,第一操作等级字段用于指示第二频段的起始频点。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:第二操作等级字段,所述第二操作等级字段用于指示所述第一频段的起始频点。在另一些实施例中,第一帧,还包括:第二操作等级字段,即在第一帧中包括有两个操作等级字段,第一操作等级字段用于指示第二频段的起始频点,第二操作等级字段用于指示第一频段的起始频点。因此第二通信设备在接收到该第一帧中的第二操作等级字段之后,根据该第二操作等级字段可以确定出第一频段的起始频点。
在第一方面或第二方面的一种可能实现方式中,所述第一帧,还包括:2N个信道中心频率分段字段和第三操作等级字段,所述N的取值为大于或等于2的正整数;所述第一操作等级字段,还用于指示所述2N个信道中心频率分段字段的其中N个信道中心频率分段字段属于所述第二频段;所述第三操作等级字段,用于指示所述2N个信道中心频率分段字段的另外N个信道中心频率分段字段属于所述第一频段;所述2N个信道中心频率分段字段,用于指示所述BSS工作的N个频率分段。
在第一方面或第二方面的一种可能实现方式中,所述N等于4时,所述2N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段、第七信道中心频率分段字段、第八信道中心频率分段字段、第九信道中心频率分段字段、第十信道中心频率分段字段,其中,所述第一操作等级字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段属于所述第二频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的四个频率分段;所述第三操作等级字段,用于指示所述第七信道中心频率分段字段、所述第八信道中心频率分段字段、所述第九信道中心频率分段字段、所述第十信道中心频率分段字段属于所述第一频段;所述第七信道中心频率分段字段、所述第八信道中心频率分段字段、所述第九信道中心频率分段字段、所述第十信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的四个频率分段。
第三方面,本申请实施例还提供一种多频段指示方法,包括:第一通信设备生成第一帧,所述第一帧包括:N个信道中心频率分段字段和多频段聚合模式字段;其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述多频段聚合模式字段用于指示所述N个信道中心频率分段字段中至少一个信道中心频率分段字段对应 的频率分段属于所述第一频段或者所述第二频段,所述N个信道中心频率分段字段用于指示所述BSS工作的N个频率分段,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段,所述N的取值为大于或等于2的正整数;所述第一通信设备发送所述第一帧。
在本申请实施例的前述实施例中,第一通信设备生成的第一帧中包括有N个信道中心频率分段字段和多频段聚合模式字段,第一通信设备向第二通信设备发送该第一帧,因此第二通信设备可以根据接收到的第一帧来获取到N个信道中心频率分段字段和多频段聚合模式字段,据此确定BSS工作的N个频率分段,以及N个频率分段分别属于第一频段或者第二频段,因此本申请实施例中可以实现在多频段聚合场景下的频率分段指示,提高资源使用效率。
第四方面,本申请实施例还提供一种多频段指示方法,包括:第二通信设备从第一通信设备接收第一帧;所述第二通信设备解析所述第一帧,以得到N个信道中心频率分段字段和多频段聚合模式字段,所述N的取值为大于或等于2的正整数;所述第二通信设备根据所述N个信道中心频率分段字段和所述多频段聚合模式字段确定所述第一通信设备建立的基本服务集BSS工作的N个频率分段分别属于第一频段或者第二频段,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段。
在本申请实施例的前述实施例中,第一通信设备生成的第一帧中包括有N个信道中心频率分段字段和多频段聚合模式字段,第一通信设备向第二通信设备发送该第一帧,因此第二通信设备可以根据接收到的第一帧来获取到N个信道中心频率分段字段和多频段聚合模式字段,据此确定BSS工作的N个频率分段,以及N个频率分段分别属于第一频段或者第二频段,因此本申请实施例中可以实现在多频段聚合场景下的频率分段指示,提高资源使用效率。
在第三方面或第四方面的一种可能实现方式中,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,所述多频段聚合模式字段,用于指示所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段分别对应的频率分段所属的频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作的四个频率分段。其中,以第一帧中的频率分段的个数N取值为4为例,N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,第一信道中心频率分段字段对应的频率分段属于主信道所在的第一频段,多频段聚合模式字段可以指示第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段分别对应的频率分段所属的频段,第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段可以属于第一频段,或者属于第二频段,具体取决于应用场景。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:信道带宽字段,所述信道带宽字段用于指示BSS带宽;所述信道带宽字段的长度为1个字节;所述信道带 宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz、160+160MHz、80+80+160MHz、160+80+80MHz、80+160+80MHz、80+80+80+80MHz、240+80MHz、80+240MHz、240MHz、160+80MHz、80+160MHz,或者80+80+80MHz。其中,信道带宽字段的不同取值可以用于指示BSS带宽,不限定的是,信道带宽字段的同一种取值可以指示多种的BSS带宽,对于BSS的工作信道的位置可以再由第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段。第一通信设备可以根据该第一通信设备建立的BSS来确定BSS带宽以及所需要使用的工作信道的位置。举例说明如下,第一帧中的信道带宽字段具体可以是EHT Channel Width字段,长度为1个字节。信道带宽字段用于指示BSS带宽,例如该BSS带宽可以有多种,在BSS带宽扩展到320MHz时,其具体模式又可以分为320MHz、160+160MHz、160+80+80MHz、80+80+160MHz或80+80+80+80MHz几种不同的形式。其中“+”代表总带宽是由两个或者多个不同的频率分段组成。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段的取值、所述第二信道中心频率分段字段的取值、所述第三信道中心频率分段字段的取值、所述第四信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值得到。其中,第一通信设备首先确定信道宽度字段的取值,第一通信设备确定频率分段的个数,第一通信设备根据频率分段的个数以及每个频率分段所使用的中心频率指示符确定出四个指示符的取值,四个指示符的取值包括:当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。举例说明如下,当前信道中心频率指示符0具体可以为dot11CurrentChannelCenterFrequencyIndex0,当前信道中心频率指示符1具体可以为dot11CurrentChannelCenterFrequencyIndex1,当前信道中心频率指示符2具体可以为dot11CurrentChannelCenterFrequencyIndex2,当前信道中心频率指示符3具体可以为dot11CurrentChannelCenterFrequencyIndex3。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减24,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加24;或者,
当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分 段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符3的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:240+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减16,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加16;或者,
当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为0;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为0。
需要说明的是,第一通信设备在确定出BSS的工作信道的位置之后,第一通信设备可以根据BSS的工作带宽的频率分段个数以及每个频率分段的中心频率来分别确定当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。其中频率分段的中心频率和当前信道中心频率指示符之间可以通过预设的映射关系来确定。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:分段大小字段,用于分别指示所述N个信道中心频率分段字段的分段大小。举例说明如下,EHT operation information字段中还可以携带分段大小字段,来指示4个频率分段的大小,这时每个频率分段可以不是固定的80MHz,而是由分段大小字段来指示,可以是20MHz,40MHz,80MHz,或者160MHz,又如分段大小可以是20MHz,40MHz,80MHz,又如分段大小可以是40MHz,80MHz,又如分段大小可以是20MHz,80MHz,又如分段大小可以是80MHz,160MHz。4个频率分段中的每个频率分段的大小可以相同也可以不同。
在第三方面或第四方面的一种可能实现方式中,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,所述第一信道中心频率分段字段和所述第二信道中心频率分段字段在第一操作元素字段中;所述第五信道中心频率分段字段和所述第六信道中心频率分段字段在第二操作元素字段中;所述第一操作元素字段和所述第二操作元素字段在所述第一帧中。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段、所述第二信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的两个频率分段;所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:多频段聚合模式字段,其中,所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段;所述多频段聚合模式字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段分别对应的频率分段所属的频段。
在第三方面或第四方面的一种可能实现方式中,所述第五信道中心频率分段字段,用 于指示所述主信道所在的80MHz的频率分段的中心频率;所述第六信道中心频率分段字段,用于当所述主信道所在的80MHz位于一个连续的160MHz中时,指示所述主信道所在的连续的160MHz的中心频率;当所述主信道所在的80MHz不在一个连续的160MHz中时,指示除所述主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;所述第一信道中心频率分段字段,用于当存在除所述主信道所在的80MHz和所述第二个80MHz以外的第三个80MHz的频率分段时,指示所述第三个80MHz的频率分段的中心频率;所述第二信道中心频率分段字段,用于当所述第三个80MHz位于一个连续的160MHz中,指示所述第三个80MHz所在的连续160MHz的中心频率;当所述第三个80MHz不在一个连续的160MHz中、且存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率;或者,当存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:第一操作等级字段,所述第一操作等级字段用于指示所述第二频段的起始频点。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段和多频段聚合模式字段,其中,所述多频段聚合模式字段,用于指示所述第二信道中心频率分段字段分别对应的频率分段所属的频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段,用于指示所述BSS工作的两个频率分段。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:信道带宽字段,所述信道带宽字段用于指示BSS带宽;所述信道带宽字段的长度为1个字节;所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz,或者160+160MHz。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段的取值、所述第二信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值得到。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16;或者,当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16或者再加16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值;或者,当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:信道带宽字段,所述信道带宽字段用于指示BSS带宽;所述信道带宽字段的长度为1个字节;所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz;或者,所述信道带宽字段的取值为5时,所述信道带宽字段用于指示所述BSS带宽为160+160MHz;或者,所述信道带宽字段的取值为6时,所述信道带宽字段用于指示所述BSS带宽为240+80MHz;或者,所述信道带宽字段的取值为7时,所述信道带宽字段用于指示所述BSS带宽为80+240MHz;或者,所述信道带宽字段的取值为8时,所述信道带宽字段用于指示所述BSS带宽为240MHz;或者,所述信道带宽字段的取值为9时,所述信道带宽字段用于指示所述BSS带宽为160+80MHz;或者,所述信道带宽字段的取值为10时,所述信道带宽字段用于指示所述BSS带宽为80+160MHz。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16;或者,当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,当所述BSS的工作信道的位置为如下频率位置:240+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减12,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加12;或者,当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段和所述第二信道中心频率分段字段是连续的两个频率分段;
当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16或减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:240+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减12或加12,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段、第三操作等级字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,所述第一操作等级字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段属于所述第二频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的两个频率分段;所述第三操作等级字段,用于指示所述第三信道中心频率分段字段、所述第四信道中心频率分段字段属于所述第一频段;所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段和多频段聚合模式字段,其中,所述多频段聚合模式字段,用于指示所述第二信道中心频率分段字段、所述第三信道中心频率分段字段分别对应的频率分段所属的频段;所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段,用于指示所述BSS工作的三个频率分段。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:信道带宽字段,所述信道带宽字段用于指示BSS带宽;所述信道带宽字段的长度为1个字节;所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz、160+160MHz、80+80+160MHz、80+240MHz,或者80+160MHz。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段的取值、所述第二信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值得到。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指 示符0的取值再减24,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16;或者,
当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减16,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为0,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:分段大小字段,用于分别指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段的分段大小。
在第三方面或第四方面的一种可能实现方式中,所述信道带宽字段的长度为1个字节;所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz;或者,所述信道带宽字段的取值为5时,所述信道带宽字段用于指示所述BSS带宽为160+160MHz;或者,所述信道带宽字段的取值为6时,所述信道带宽字段用于指示所述BSS带宽为80+80+160MHz;或者,所述信道带宽字段的取值为7时,所述信道带宽字段用于指示所述BSS带宽为80+240MHz;或者,所述信道带宽字段的取值为8时,所述信道带宽字段用于指示所述BSS带宽为240MHz;或者,所述信道带宽字段的取值为9时,所述信道带宽字段用于指示所述BSS带宽为80+160MHz;或者,所述信道带宽字段的取值为10时,所述信道带宽字段用于指示所述BSS带宽为160+80MHz;或者,所述信道带宽字段的取值为11时,所述信道带宽字段用于指示所述BSS带宽为80+80+80MHz。
在第三方面或第四方面的一种可能实现方式中,当所述BSS的工作信道的位置为如下频率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减24,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16;或者,
当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频 率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减16,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16;或者,
当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
当所述BSS的工作信道的位置为如下频率位置:80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:第一信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,所述第一信道中心频率分段字段在第一操作元素字段中;所述第五信道中心频率分段字段和所述第六信道中心频率分段字段在第二操作元素字段中;所述第一操作元素字段和所述第二操作元素字段在所述第一帧中。
在第三方面或第四方面的一种可能实现方式中,所述第一信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的一个频率分段;所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段。
在第三方面或第四方面的一种可能实现方式中,所述第一帧,还包括:多频段聚合模式字段,其中,所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段;所述多频段聚合模式字段,用于指示 所述第一信道中心频率分段字段对应的频率分段所属的频段。
在第三方面或第四方面的一种可能实现方式中,所述第五信道中心频率分段字段,用于指示所述主信道所在的80MHz的频率分段的中心频率;所述第六信道中心频率分段字段,用于当所述主信道所在的80MHz位于一个连续的160MHz中时,指示所述连续的160MHz的中心频率;当所述主信道所在的80MHz不在一个连续的160MHz中时,指示除所述主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;所述第一信道中心频率分段字段,用于当所述BSS带宽为320MHz、160+160MHz、80+80+160MHz,或者80+240MHz时,指示除所述连续的160MHz以外的最后一个连续160MHz的频率分段的中心频率;当所述BSS带宽为240MHz、80+160MHz、160+80MHz,或者80+80+80MHz时,指示最后一个80MHz的频率分段的中心频率。
第五方面,提供了一种通信设备,用于执行第一方面或第一方面任意可能的实现方式中的方法。具体地,该通信设备包括用于执行上述第一方面或第一方面任意可能的实现方式的单元。
第六方面,提供了另一种通信设备,用于执行第二方面或第二方面任意可能的实现方式中的方法。具体地,该通信设备包括用于执行上述第二方面或第二方面任意可能的实现方式的单元。
第七方面,提供了一种通信设备,用于执行第三方面或第三方面任意可能的实现方式中的方法。具体地,该通信设备包括用于执行上述第三方面或第三方面任意可能的实现方式的单元。
第八方面,提供了另一种通信设备,用于执行第四方面或第四方面任意可能的实现方式中的方法。具体地,该通信设备包括用于执行上述第四方面或第四方面任意可能的实现方式的单元。
第九方面,提供了一种通信设备,该通信设备包括:处理器和收发器,可选地,还包括存储器;其中,处理器和收发器、存储器通过内部连接互相通信。处理器,用于执行第一方面或第一方面任意可能的实现方式中的方法;收发器,接收处理器的控制,用于执行第一方面或第一方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理器调用,以执行第一方面或第一方面任意可能的实现方式中的方法。
第十方面,提供了一种通信设备,该通信设备包括:处理器和收发器,可选地,还包括存储器;其中,处理器和收发器、存储器通过内部连接互相通信。处理器,用于执行第二方面或第二方面任意可能的实现方式中的方法;收发器,接收处理器的控制,用于执行第二方面或第二方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理器调用,以执行第二方面或第二方面任意可能的实现方式中的方法。
第十一方面,提供了一种通信设备,该通信设备包括:处理器和收发器,可选地,还包括存储器;其中,处理器和收发器、存储器通过内部连接互相通信。处理器,用于执行第三方面或第三方面任意可能的实现方式中的方法;收发器,接收处理器的控制,用于执行第三方面或第三方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理器调用,以执行第三方面或第三方面任意可能的实现方式中的方法。
第十二方面,提供了一种通信设备,该通信设备包括:处理器和收发器,可选地,还 包括存储器;其中,处理器和收发器、存储器通过内部连接互相通信。处理器,用于执行第四方面或第四方面任意可能的实现方式中的方法;收发器,接收处理器的控制,用于执行第四方面或第四方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理器调用,以执行第四方面或第四方面任意可能的实现方式中的方法。
第十三方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序包括用于执行第一方面或第一方面任意可能的实现方式中的方法的指令。
第十四方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序包括用于执行第二方面或第二方面任意可能的实现方式中的方法的指令。
第十五方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序包括用于执行第三方面或第三方面任意可能的实现方式中的方法的指令。
第十六方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序包括用于执行第四方面或第四方面任意可能的实现方式中的方法的指令。
第十七方面,提供了一种计算机程序,该计算机程序包括用于执行第一方面或第一方面的任意可能的实现方式中的方法的指令。
第十八方面,提供了一种计算机程序,该计算机程序包括用于执行第二方面或第二方面的任意可能的实现方式中的方法的指令。
第十九方面,提供了一种计算机程序,该计算机程序包括用于执行第三方面或第三方面的任意可能的实现方式中的方法的指令。
第二十方面,提供了一种计算机程序,该计算机程序包括用于执行第四方面或第四方面的任意可能的实现方式中的方法的指令。
第二十一方面,提供了一种芯片,该芯片包括处理电路和收发管脚,可选地,还包括存储器;其中,处理电路和收发管脚、存储器通过内部连接互相通信。处理电路,用于执行第一方面或第一方面任意可能的实现方式中的方法;收发管脚,接收处理电路的控制,用于执行第一方面或第一方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理电路调用,以执行第一方面或第一方面任意可能的实现方式中的方法。
第二十二方面,提供了一种芯片,该芯片包括处理电路和收发管脚,可选地,还包括存储器;其中,处理电路和收发管脚、存储器通过内部连接互相通信。处理电路,用于执行第二方面或第二方面任意可能的实现方式中的方法;收发管脚,接收处理电路的控制,用于执行第二方面或第二方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理电路调用,以执行第二方面或第二方面任意可能的实现方式中的方法。
第二十三方面,提供了一种芯片,该芯片包括处理电路和收发管脚,可选地,还包括存储器;其中,处理电路和收发管脚、存储器通过内部连接互相通信。处理电路,用于执行第三方面或第三方面任意可能的实现方式中的方法;收发管脚,接收处理电路的控制,用于执行第三方面或第三方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理电路调用,以执行第三方面或第三方面任意可能的实现方式中的方法。
第二十四方面,提供了一种芯片,该芯片包括处理电路和收发管脚,可选地,还包括存储器;其中,处理电路和收发管脚、存储器通过内部连接互相通信。处理电路,用于执行第四方面或第四方面任意可能的实现方式中的方法;收发管脚,接收处理电路的控制,用于执行第四方面或第四方面任意可能的实现方式中的方法中信号的收发;存储器,用于存储指令,所述指令被处理电路调用,以执行第四方面或第四方面任意可能的实现方式中的方法。
附图说明
图1为本申请实施例提供的多频段指示方法应用的一种系统架构示意图;
图2为本申请实施例提供的多频段指示方法应用的另一种系统架构示意图;
图3为本申请实施例提供的终端设备和网络设备之间的一种交互流程示意图;
图4为本申请实施例提供的AP发送带宽指示信息的示意图;
图5为本申请实施例提供的信标帧的一种组成结构示意图;
图6为本申请实施例提供的终端设备和网络设备之间的另一种交互流程示意图;
图7为本申请实施例提供的信标帧的另一种组成结构示意图;
图8为本申请实施例提供的EHT操作信息字段的一种组成结构示意图;
图9为本申请实施例提供的信标帧的另一种组成结构示意图;
图10为本申请实施例提供的信标帧的另一种组成结构示意图;
图11为本申请实施例提供的EHT操作信息字段的另一种组成结构示意图;
图12为本申请实施例提供的信标帧的另一种组成结构示意图;
图13为本申请实施例提供的信标帧的另一种组成结构示意图;
图14为本申请实施例提供的一种通信设备的组成结构示意图;
图15为本申请实施例提供的另一种通信设备的组成结构示意图;
图16为本申请实施例提供的另一种通信设备的组成结构示意图。
具体实施方式
本申请实施例提供了一种多频段指示方法和通信设备,用于实现在多频段聚合场景下的频段指示,提高资源使用效率。
下面结合附图,对本申请的实施例进行描述。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,这仅仅是描述本申请的实施例中对相同属性的对象在描述时所采用的区分方式。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,以便包含一系列单元的过程、方法、系统、产品或设备不必限于那些单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它单元。
本申请实施例的技术方案可以应用于一种通信系统,如图1所示,本申请实施例提供的通信系统中至少可以包括:两个通信设备,分别为第一通信设备和第二通信设备。其中,第一通信设备可以是网络设备,网络设备具体可以包括接入点(access point,AP),第二 通信设备可以是终端设备,终端设备具体可以包括站点(station,STA)。或者,第一通信设备可以是终端设备,第二通信设备可以是网络设备。或者,第一通信设备可以是网络设备,第二通信设备可以是另一网络设备。或者,第一通信设备可以是终端设备,第二通信设备可以是另一终端设备。对于通信设备的具体实现方式,可以结合实际的应用场景来灵活选择,此处不做限定。
本申请实施例的技术方案可以应用于各种数据处理的通信系统,例如码分多址(code division multiple access,CDMA)、时分多址(time division multiple access,TDMA)、频分多址(frequency division multiple access,FDMA)、正交频分多址(orthogonal frequency-division multiple access,OFDMA)、单载波频分多址(single carrier FDMA,SC-FDMA)和其它系统等。术语“系统”可以和“网络”相互替换。CDMA系统可以实现例如通用无线陆地接入(universal terrestrial radio access,UTRA),CDMA2000等无线技术。UTRA可以包括宽带CDMA(wideband CDMA,WCDMA)技术和其它CDMA变形的技术。CDMA2000可以覆盖过渡标准(interim standard,IS)2000(IS-2000),IS-95和IS-856标准。TDMA系统可以实现例如全球移动通信系统(global system for mobile communication,GSM)等无线技术。OFDMA系统可以实现诸如演进通用无线陆地接入(evolved UTRA,E-UTRA)、超级移动宽带(ultra mobile broadband,UMB)、IEEE 802.11(Wi-Fi),IEEE 802.16(WiMAX),IEEE 802.20,Flash OFDMA等无线技术。UTRA和E-UTRA是UMTS以及UMTS演进版本。3GPP在长期演进(long term evolution,LTE)和基于LTE演进的各种版本是使用E-UTRA的UMTS的新版本。第五代(5Generation,简称:“5G”)通信系统、新空口(New Radio,简称“NR”)是正在研究当中的下一代通信系统。此外,所述通信系统100还可以适用于面向未来的通信技术,都适用本申请实施例提供的技术方案。本申请实施例描述的系统架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案,并不构成对于本申请实施例提供的技术方案的限定,本领域普通技术人员可知,随着网络架构的演变和新业务场景的出现,本申请实施例提供的技术方案对于类似的技术问题,同样适用。
图2示出了本申请实施例的一种可能的无线接入网(radio access network,简称RAN)的结构示意图。所述RAN可以为2G网络的基站接入系统(即所述RAN包括基站和基站控制器),或可以为3G网络的基站接入系统(即所述RAN包括基站和RNC),或可以为4G网络的基站接入系统(即所述RAN包括eNB和RNC),或可以为5G网络的基站接入系统。
本申请实施例提供的第一通信设备可以是一个或多个网络设备,图2中以网络设备具体为AP为例,第二通信设备可以是一个或多个终端设备,图2中以终端设备具体为STA为例。所述网络设备可以是任意一种具有无线收发功能的设备,或,设置于具体无线收发功能的设备内的芯片。所述网络设备包括但不限于:基站(例如基站BS,基站NodeB、演进型基站eNodeB或eNB、第五代5G通信系统中的基站gNodeB或gNB、未来通信系统中的基站、WiFi系统中的接入节点、无线中继节点、无线回传节点)等。基站可以是:宏基站,微基站,微微基站,小站,中继站等。多个基站可以支持上述提及的一种或者多种技术的网络,或者未来演进网络。所述核心网可以支持上述提及一种或者多种技术的网络,或者未来演进网络。基站可以包含一个或多个共站或非共站的传输接收点(transmission  receiving point,TRP)。网络设备还可以是云无线接入网络(cloud radio access network,CRAN)场景下的无线控制器、集中单元(centralized unit,CU)或者分布单元(distributed unit,DU)等。网络设备还可以是服务器,可穿戴设备,或车载设备等。以下以网络设备为基站为例进行说明。所述多个网络设备可以为同一类型的基站,也可以为不同类型的基站。基站可以与终端设备1-6进行通信,也可以通过中继站与终端设备1-6进行通信。终端设备1-6可以支持与不同技术的多个基站进行通信,例如,终端设备可以支持与支持LTE网络的基站通信,也可以支持与支持5G网络的基站通信,还可以支持与LTE网络的基站以及5G网络的基站的双连接。例如将终端接入到无线网络的无线接入网(radio access network,RAN)节点。目前,一些RAN节点的举例为:gNB、传输接收点(transmission reception point,TRP)、演进型节点B(evolved Node B,eNB)、无线网络控制器(radio network controller,RNC)、节点B(Node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved NodeB,或home Node B,HNB)、基带单元(base band unit,BBU),或无线保真(wireless fidelity,Wifi)接入点(access point,AP)等。在一种网络结构中,网络设备可以包括集中单元(centralized unit,CU)节点、或分布单元(distributed unit,DU)节点、或包括CU节点和DU节点的RAN设备。
终端设备1-6,又称之为用户设备(user equipment,UE)、移动台(mobile station,MS)、移动终端(mobile terminal,MT)、终端等,是一种向用户提供语音和/或数据连通性的设备,或,设置于该设备内的芯片,例如,具有无线连接功允许的手持式设备、车载设备等。目前,一些终端设备的举例为:手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device,MID)、可穿戴设备,虚拟现实(virtual reality,VR)设备、增强现实(augmented reality,AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。
在本申请实施例中,AP和STA1~STA6组成一个通信系统,在该通信系统中,AP发送系统信息、RAR消息和寻呼消息中的一种或多种给STA1~STA6中的一个或多个UE,此外,STA4~STA6也组成一个通信系统,在该通信系统中,STA5可以作为基站的功能实现,STA5可以发送系统信息、控制信息和寻呼消息中的一种或多种给STA4和STA6中的一个或多个UE。
本申请实施例提供的通信系统可以采用多种的Wi-Fi标准,例如目前的Wi-Fi标准可以采用高吞吐量(high-throughput,HT),或非常高吞吐量(very high throughput,VHT),或高效(high efficiency,HE),下一代的Wi-Fi标准可以采用极端高吞吐量(Extremely high throughput,EHT)或者采用非常高效(very high efficiency,VHE)。在后续实施例中以下一代的Wi-Fi标准为EHT为例,例如后续实施例中第一帧包括EHT operation element,又如该第一帧包括VHE operation element,此处仅作说明,不作为对本申请实施例的限定。
在本申请实施例中,第一通信设备及与其关联的第二通信设备可以是多频段设备,多频段设备具备在多个频段上进行通信的能力,例如对于WiFi通信,多个频段可以是低于1GHz,2.4GHz,4.9GHz,5GHz,6GHz,60GHz等。当设备配备多个无线电(radio)时,可以同时利用多个频段上的频谱资源进行数据传输。特别地,当该设备具备大带宽传输能力时,可以同时聚合来自多个频段(一般是相邻的两个频段)的频谱资源进行传输。其中,频段的范围大于频率分段,例如2.4GHz、5GHz、6GHz、60GHz分别指的是不同的频段,频段的带宽范围通常为几百MHz,甚至上GHz。第一通信设备及与其关联的第二通信设备组成一个基本服务集(basic service set,BSS),本申请实施例中单个BSS可以利用多频段聚合进行传输。一个BSS工作在某个频段上时,该频段有一个主信道(例如20MHz),还可以有很多个次信道。例如BSS同时工作在第一频段和第二频段,第一频段是包括主信道的频段,第二频段是不包括主信道的频段,在第一频段中除了包括主信道,还可以包括次信道,在第二频段只包括次信道,而不包括主信道。
在本申请实施例中,对于第一通信设备和第二通信设备支持多频段时,第二频段该如何指示给出了详细的实现方案。请参阅图3所示,为本申请实施例提供的两个通信设备之间的一种交互流程示意图,本申请实施例提供的多频段指示方法,主要包括如下步骤。
301、第一通信设备生成第一帧,第一帧包括:第一操作等级字段(operating class),其中,当第一通信设备建立的BSS同时工作在第一频段和第二频段时,第一操作等级字段用于指示第二频段的起始频点,第一频段是包括主信道的频段,第二频段是不包括主信道的频段。
在本申请实施例中,第一通信设备建立BSS的时候,需要第一帧中指示该BSS工作所在的多个频段。例如需要在第一帧中指示不包括主信道的频段(即第二频段)。例如第一通信设备可以在第一帧中的操作等级字段来指示,例如第一帧中包括第一操作等级字段,该第一操作等级字段用于指示第二频段的起始频点。因此第二通信设备在接收到该第一帧中的第一操作等级字段之后,根据该第一操作等级字段可以确定出第二频段的起始频点。
在本申请实施例中,第一通信设备生成的第一帧具体可以包括:管理帧。例如该第一帧具体可以是信标(beacon)帧,或者该第一帧是其他管理帧,例如第一帧具体可以是关联响应帧。对于第一帧的具体实现方式,可结合应用场景来确定。
在本申请的一些实施例中,对于第一频段,可以通过检测主信道来确定该主信道所在的频段为第一频段。在另一些实施例中,第一帧,还包括:第二操作等级字段,即在第一帧中包括有两个操作等级字段,第一操作等级字段用于指示第二频段的起始频点,第二操作等级字段用于指示第一频段的起始频点。因此第二通信设备在接收到该第一帧中的第二操作等级字段之后,根据该第二操作等级字段可以确定出第一频段的起始频点。
在本申请的一些实施例中,第一帧,还包括:频段标识字段(Band ID),频段标识字段用于标识第二频段。因此第二通信设备在接收到该第一帧中的频段标识字段之后,根据该频段标识字段可以识别出第二频段。
在本申请的一些实施例中,第一操作等级字段在第一操作信息(operation information)字段中;第一操作信息字段在第一操作元素(operation element)字段中;第一操作元素字段在第一帧中。
其中,第一帧中可以包括:操作元素字段,该操作元素字段可以包括操作信息字段,操作信息字段可以包括操作等级字段。另外就是由于每一代标准都是兼容之前的各代标准的,因此在新一代operation information设计上要考虑之前各代的operation information的设计。
举例说明,以下一代的Wi-Fi标准为EHT为例,其最大带宽将被扩展,例如最大带宽可以扩展到240MHz,或者扩展到320MHz,因此需要为带宽扩展之后的第一帧设计新的帧结构格式,本申请实施例中可以由第一通信设备生成第一帧,该第一帧中可以包括第一操作等级字段,第一操作等级字段用于指示第二频段的起始频点。
在本申请的一些实施例中,第一操作等级字段的取值为预设值时,第一操作等级字段用于指示BSS工作在第一频段,且BSS不支持第二频段。
其中,第一帧中的第一操作等级字段可以是管理帧中的operating class域,operating class域为特殊值(如0或255)的时候,表示不存在第二个频段,BSS工作在第一频段,且BSS不支持第二频段,即第一通信设备只使用第一频段进行通信,该第一通信设备不支持第二频段。
302、第一通信设备发送第一帧。
在本申请实施例中,第一通信设备在生成前述的第一帧之后,第一通信设备可以通过通信网络发送该第一帧,例如第一通信设备和第二通信设备处于同一个通信网络中,则第一通信设备可以向第二通信设备发送该第一帧,对于第一帧的帧结构说明,详见前述内容的详细说明。
举例说明如下,第一帧可以是信标帧,由AP周期性地发送,信标帧用于指示BSS工作的第二频段的起始频点,以便使能接收到信标帧的站点知道该BSS工作的第二频段的起始频点。在相邻的两个信标帧之间AP和STA通过竞争以时分的方式发送下行或上行数据帧,数据帧可以采用不超过该BSS所支持的第一频段和第二频段进行发送。第二频段的起始频点除了使用信标帧来指示,还可以通过其他管理帧发送,例如关联响应帧。
303、第二通信设备从第一通信设备接收第一帧。
在本申请实施例中,第一通信设备和第二通信设备处于同一个通信网络中,第一通信设备可以向第二通信设备发送该第一帧,第二通信设备通过该通信网络可以接收到第一帧。
第二通信设备接收到的第一帧具体可以包括:管理帧。例如该第一帧具体可以是信标帧,或者该第一帧是其他管理帧,例如第一帧具体可以是关联响应帧。对于第一帧的具体实现方式,可结合应用场景来确定。
304、第二通信设备解析第一帧,以得到第一操作等级字段。
其中,第一通信设备生成第一帧后发送给第二通信设备。第二通信设备接收到第一帧之后,按照预配置的帧结构解析方式,第二通信设备可以从第一帧中解析出第一操作等级字段,并获取到第一操作等级字段的取值。
305、第二通信设备根据第一操作等级字段确定第一通信设备建立的BSS工作的第二频段的起始频点,BSS同时工作在第一频段和第二频段,其中,第一频段是包括主信道的频段,第二频段是不包括主信道的频段。
在本申请实施例中,第二通信设备在确定出第一操作等级字段之后,获取到第一操作 等级字段的取值,第二通信设备根据第一操作等级字段确定BSS工作的第二频段的起始频点,从而第二通信设备可以确定出第一通信设备所使用的多个频段,从而进行多频段聚合传输。
通过前述实施例对本申请实施例的举例说明可知,第一通信设备生成的第一帧中包括有第一操作等级字段,第一操作等级字段用于指示第二频段的起始频点,第一通信设备向第二通信设备发送该第一帧,因此第二通信设备可以根据接收到的第一帧来获取到第一操作等级字段,解析该第一操作等级字段可以确定出第二频段的起始频点,因此本申请实施例中可以实现在多频段聚合场景下的频段指示,提高资源使用效率。
接下来以具体的场景例对图3所示的方法流程进行举例说明。
在本申请实施例中,对于具备多频段聚合通信功能的EHT BSS,可以通过如下方式进行工作带宽的指示,例如指示出两个频段(第一频段和第二频段)的起始频点(starting frequency)。本申请实施例中可以同时使用两个频段的信道进行传输,例如同时使用5GHz和6GHz的频段进行传输,5GHz和6GHz是两个不同的频段。例如,第一频段可以是5GHz频段,该5GHz频段中包括主信道,第二频段可以是6GHz频段,该6GHz频段中不包括主信道。又如,第一频段可以是6GHz频段,该6GHz频段中包括主信道,第二频段可以是5GHz频段,该5GHz频段中不包括主信道。
在本申请实施例中,第一通信设备可以在EHT operation element中指示第二频段的起始频点。如图4所示,为本申请实施例提供的AP发送带宽指示信息的示意图。AP发送带宽指示信息,该带宽指示信息具体可以是用于支持多频段聚合模式的带宽信号(bandwidth signaling for multiband aggregation mode),AP建立的BSS可以同时工作在频段1和频段2,其中,频段1可以包括频率分段1和频率分段2,频段2可以包括频率分段3和频率分段4,以频率分段1是主信道为例,用于支持多频段聚合的带宽信号可以用于指示频段2的起始频点,和/或指示四个频率分段是分别属于哪个频段的。
本申请的一些实施例中,以第一帧为信标帧为例,如图5所示,为本申请实施例提供的信标帧的一种组成结构示意图。在信标帧中可以包括:EHT操作元素字段,该EHT操作元素字段可以包括:元素(elment)标识(ID)字段、长度(length)字段、EHT操作信息字段,该EHT操作信息字段可以包括操作等级字段和频段标识字段。不限定的是,在第一信标帧中可以包括:VHE操作元素字段,该VHE操作元素字段可以包括:元素标识字段、长度字段、VHE操作信息字段,该VHE操作信息字段可以包括操作等级字段和频段标识字段。
举例说明如下,AP在EHT操作元素字段中指示第二频段的操作等级字段。若AP支持多频段聚合传输,可以在发送的信标帧中携带带宽指示信息,带宽指示信息包括针对多个频段的带宽指示信息,多个频段具体可以是2个频段,或者3个频段,以下用2个频段举例,带宽指示信息可以是operating class字段或者band ID字段。具体携带方法可以是,信标帧携带EHT operation element字段,EHT operation element字段中携带EHT operation information字段,EHT operation information字段携带operating class字段,进一步的,该EHT operation information字段还可以携带band ID字段。operating class字段用于指示第二频段的起始频点,另外operating class字段还可以用于指示第 二频段的行为规范。
接下来对operating class字段进行举例说明,每一个operating class字段的取值规定了一组参数,包括频段的起始频点、信道的带宽间隔、可用信道集合,以及行为模式。例如,对于新增的6GHz频段,同样需要定义一个或多个operating class字段的值来指定上述参数的具体取值。在完成上述operating class字段的定义之后,就可以将新定义的值携带于本申请实施例中的operating class字段中,通过operating class字段可以指示第一频段与第二频段进行多频段聚合传输。
在本申请的一些实施例中,信标帧中除了包括第二频段的operating class字段之外,还可以在EHT operation element字段中携带第一频段(也就是主信道所在的频段)的operating class字段。
需要说明的是,信标帧中可以包括第一频段的operating class字段,也可以不包括该operating class字段。例如,UE可以接收信标帧,并且根据信标帧的主信道的实际频率和主信道的信道索引号来计算得出第一频段的起始频点。举例说明如下,令Channel center frequency表示信道的实际频率,Channel starting frequency表示频段的起始频点,dot11CurrentChannelCenterFrequencyIndex为信道索引号,则这三者之间满足如下的关系式:
Channel center frequency[MHz]=Channel starting frequency+5*dot11CurrentChannelCenterFrequencyIndex。
可见,由主信道的实际频率和主信道的信道索引号也可以推算出第一频段的起始频点。
在本申请实施例中,对于第一通信设备和第二通信设备支持多频段时,N个频率分段聚合在一起时该如何指示给出了详细的实现方案。请参阅图6所示,为本申请实施例提供的两个通信设备之间的另一种交互流程示意图,本申请实施例提供的多频段指示方法,主要包括如下步骤。
601、第一通信设备生成第一帧,第一帧包括:N个信道中心频率分段字段和多频段聚合模式字段;其中,当第一通信设备建立的BSS同时工作在第一频段和第二频段时,多频段聚合模式字段用于指示N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段属于第一频段或者第二频段,N个信道中心频率分段字段用于指示BSS工作的N个频率分段,第一频段是包括主信道的频段,第二频段是不包括主信道的频段,N的取值为大于或等于2的正整数。
在本申请实施例中,N个信道中心频率分段字段用于指示BSS工作的N个频率分段,例如N的取值可以为4,或者3,或者2等等,则每个信道中心频率分段字段用于指示BSS工作的一个频率分段。在第一帧中还包括多频段聚合模式(multi-band aggregation mode)字段,该多频段聚合模式字段用于指示N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段属于第一频段或者第二频段。例如,该多频段聚合模式字段可以包括多个取值,每个不同的取值指示一种N个信道中心频率分段字段所属的频段。又如,多频段聚合模式字段还可以是比特位图,每个比特用于指示对应的频率分段是属于第一频段还是第二频段。例如该比特为0表示对应的频率分段属于第一频段,该比特为1表示对应的频率分段属于第二频段。
在本申请的一些实施例中,N等于4时,N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,
多频段聚合模式字段,用于指示第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段分别对应的频率分段所属的频段;
第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,用于指示BSS工作的四个频率分段。
其中,以第一帧中的频率分段的个数N取值为4为例,N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,第一信道中心频率分段字段对应的频率分段属于主信道所在的第一频段,多频段聚合模式字段可以指示第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段分别对应的频率分段所属的频段,第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段可以属于第一频段,或者属于第二频段,具体取决于应用场景。
举例说明如下,在EHT标准中会有一个EHT operation element字段,其中EHT operation inforamtion字段是EHT operation element字段中的一个字段,通过EHT operation inforamtion字段可以用于描述EHT标准中channel相关的参数,例如multi-band aggregation mode用于指示第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段分别对应的频率分段所属的频段。
在本申请的一些实施例中,第一帧,还包括:信道带宽字段,信道带宽字段用于指示BSS带宽;
信道带宽字段的长度为1个字节;
信道带宽字段的取值为4时,信道带宽字段用于指示BSS带宽为320MHz、160+160MHz、80+80+160MHz、160+80+80MHz、80+160+80MHz、80+80+80+80MHz、240+80MHz、80+240MHz、240MHz、160+80MHz、80+160MHz,或者80+80+80MHz。
其中,信道带宽字段的不同取值可以用于指示BSS带宽,不限定的是,信道带宽字段的同一种取值可以指示多种的BSS带宽,对于BSS的工作信道的位置可以再由第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段。第一通信设备可以根据该第一通信设备建立的BSS来确定BSS带宽以及所需要使用的工作信道的位置。
举例说明如下,第一帧中的信道带宽字段具体可以是EHT Channel Width字段,长度为1个字节。信道带宽字段用于指示BSS带宽,例如该BSS带宽可以有多种,在BSS带宽扩展到320MHz时,其具体模式又可以分为320MHz、160+160MHz、160+80+80MHz、80+80+160MHz或80+80+80+80MHz几种不同的形式。其中“+”代表总带宽是由两个或者多个不同的频率分段组成。
本申请的一些实施例中,以第一帧为信标帧为例,如图7所示,为本申请实施例提供的信标帧的另一种组成结构示意图。第一帧中的信道中心频率分段字段具体可以是Channel Center Frequency Segment(简称CCFS)字段。具体的,第一信道中心频率分段字段可以 是CCFS3,第二信道中心频率分段字段可以是CCFS4,第三信道中心频率分段字段可以是CCFS5,第四信道中心频率分段字段可以是CCFS6,通过CCFS3、CCFS4、CCFS5和CCFS6可以指示BSS的工作信道的位置,例如可以指示出每个工作信道的中心频点的信道索引号,再结合结合频段的起始频点,可以算出每个工作信道的实际中心频率。在信标帧中可以包括:EHT操作元素字段,该EHT操作元素字段可以包括:元素标识字段、长度字段、EHT操作信息字段,该EHT操作信息字段可以包括操作等级字段、多频段聚合模式字段、信道带宽字段、CCFS3、CCFS4、CCFS5和CCFS6。
举例说明如下,本实施例中,假设最多可以聚合4个频率分段来组合成320MHz的信道带宽,为了指示所述4个频率分段的中心频率,需要在EHT operation element字段中携带CCFS3、CCFS4、CCFS5、CCFS6,用来指示所述4个频率分段的中心频率。另外,还需要携带多频段聚合模式字段,用来指示所述4个频率分段分别属于哪个频段。
可选地,如表1所示,多频段聚合模式字段可以取一个特殊值(如255)来表示所有的频率分段都属于第一频段。
多频段聚合模式字段的取值 含义
0 CCFS3为第一频段,其余为第二频段
1 CCFS3、CCFS4为第一频段,其余为第二频段
2 CCFS3、CCFS4、CCFS5为第一频段,其余为第二频段
…… ……
(255) (4个频率分段都属于第一频段)
另外,多频段聚合模式字段还可以是一个比特位图(bitmap),所述bitmap包含4个比特,每个比特用于指示对应的频率分段是属于第一频段还是第二频段。例如该比特为0,表示对应的频率分段属于第一频段;该比特为1表示对应的频率分段属于第二频段。
另外,需要携带信道带宽字段来指示BSS的工作带宽。如下表2所示。
Figure PCTCN2019116243-appb-000001
在本申请的一些实施例中,第一信道中心频率分段字段的取值、第二信道中心频率分段字段的取值、第三信道中心频率分段字段的取值、第四信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值得到。
其中,第一通信设备首先确定信道宽度字段的取值,第一通信设备确定频率分段的个数,第一通信设备根据频率分段的个数以及每个频率分段所使用的中心频率指示符确定出四个指示符的取值,四个指示符的取值包括:当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。举例说明如下,当前信道中心频率指示符0具体可以为dot11CurrentChannel CenterFrequencyIndex0,当前信道中心频率指示符1具体可以为dot11CurrentChannel CenterFrequencyIndex1,当前信道中心频率指示符2具体可以为dot11CurrentChannel CenterFrequencyIndex2,当前信道中心频率指示符3具体可以为dot11CurrentChannel CenterFrequencyIndex3。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减24,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第四信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加24;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减8,第四信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8;或者,
当BSS的工作信道的位置为如下频率位置:80+80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值再减8,第四信道中心频率分段字段的取值为当前信道中心频率指示符2的取值再加8;或者,
当BSS的工作信道的位置为如下频率位置:160+80+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第四信道中心频率分段字段的取值为当前信道中心频率指示符2的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+160+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8,第四信道中心频率分段字段的取值为当前信道中心频率指示符2的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+80+80+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值,第四信道中心频率分段字段的取值为当前信道中心频率指示符3的取 值;或者,
当BSS的工作信道的位置为如下频率位置:240+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16,第四信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减16,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第四信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16,第四信道中心频率分段字段的取值为0;或者,
当BSS的工作信道的位置为如下频率位置:160+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第四信道中心频率分段字段的取值为0;或者,
当BSS的工作信道的位置为如下频率位置:80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8,第四信道中心频率分段字段的取值为0;或者,
当BSS的工作信道的位置为如下频率位置:80+80+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值,第四信道中心频率分段字段的取值为0。
需要说明的是,第一通信设备在确定出BSS的工作信道的位置之后,第一通信设备可以根据BSS的工作带宽的频率分段个数以及每个频率分段的中心频率来分别确定当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值。其中频率分段的中心频率和当前信道中心频率指示符之间可以通过预设的映射关系来确定。
举例说明如下,可以用一个信道带宽字段的取值为“4”来表示所有大于160MHz的带宽,例如共有11种情况信道带宽模式,另外,也可以令信道带宽字段取不同的值来区分这11种情况。具体采用哪种信道带宽模式,可以利用CCFS3、CCFS4、CCFS5、CCFS6的值之间的关系来区分。如下表3所示。
Figure PCTCN2019116243-appb-000002
其中,dot11CCCFI为dot11CurrentChannelCenterFrequencyIndex的缩写,取值为系统配置的。dot11CCCFI0、dot11CCCFI 1、dot11CCCFI 2、dot11CCCFI 3的含义如下:当整个BSS的带宽由若干个不连续的频率片段组成时,dot11CCCFI0、dot11CCCFI 1、dot11CCCFI 2、dot11CCCFI 3分别表示第一个、第二个、第三个和第四个频率片段的中心频率的信道索引号。需要注意的是,CCFS3/4/5/6分别指示的是每个80MHz的中心频率的信道索引号。
由于802.11ax和802.11ac的站点最多支持160MHz的带宽,当这种站点关联到EHT的BSS时,即使当前EHT BSS支持大于160MHz的带宽,如320MHz的带宽,对于这些站点来说,也只能享受到不大于160MHz的带宽。EHT的AP可以通过非常高吞吐量(Very High Throughput,VHT)operation element中的CCFS0和CCFS1的值来向802.11ac和802.11ax 的站点指示BSS的带宽。具体地,可以将CCFS0设置为主信道所在的80MHz的频率分段的中心频率的信道索引号;CCFS1的设置方法分两种情况:当主信道所在80MHz位于一个连续的160MHz中,将CCFS1设置为连续160MHz的中心频率的信道索引号;当主信道所在80MHz不在一个连续的160MHz中,将CCFS1设置为第二个80MHz的频率分段的中心频率的信道索引号。
在本申请的一些实施例中,第一帧,还包括:分段大小(segment size)字段,用于分别指示N个信道中心频率分段字段的分段大小。
举例说明如下,EHT operation information字段中还可以携带分段大小字段,来指示4个频率分段的大小,这时每个频率分段可以不是固定的80MHz,而是由分段大小字段来指示,可以是20MHz,40MHz,80MHz,或者160MHz,又如分段大小可以是20MHz,40MHz,80MHz,又如分段大小可以是40MHz,80MHz,又如分段大小可以是20MHz,80MHz,又如分段大小可以是80MHz,160MHz。4个频率分段中的每个频率分段的大小可以相同也可以不同。不同的时候,分段大小字段对每个频率分段的大小进行分别指示。举例说明如下,总共4个频率分段,可以使用一个变量来指示这4个频率分段的大小,此时这4个频率分段的大小相同;也可以使用4个变量:segment size 1,segment size 2,segment size 3,segment size 4来表示这4个频率分段的大小,此时这4个频率分段的大小可以不同。
本申请的一些实施例中,以第一帧为信标帧为例,如图8所示,为本申请实施例提供的EHT操作信息字段的一种组成结构示意图。EHT操作信息字段包括:信道带宽字段、第一操作等级字段、CCFS3、CCFS4、CCFS5、CCFS6、第二操作等级字段、CCFS7、CCFS8、CCFS9、CCFS10。其中,第一操作等级字段用于指示第一频段的CCFS3、CCFS4、CCFS5、CCFS6,第二操作等级字段用于指示第二频段的CCFS7、CCFS8、CCFS9、CCFS10。在这种实现场景下第一帧中不需要再增加多频段聚合模式字段。
在本申请的一些实施例中,N等于4时,N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,
第一信道中心频率分段字段和第二信道中心频率分段字段在第一操作元素字段中;
第五信道中心频率分段字段和第六信道中心频率分段字段在第二操作元素字段中;
第一操作元素字段和第二操作元素字段在第一帧中。
其中,第一帧可以包括两个操作元素字段,分别为第一操作元素字段和第二操作元素字段,第一操作元素字段具体可以为EHT operation information字段,第一信道中心频率分段字段和第二信道中心频率分段字段在第一操作元素字段中,例如第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4。第五信道中心频率分段字段和第六信道中心频率分段字段在第二操作元素字段中,第二操作元素字段具体可以为VHT operation information字段,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。通过使用两个不同的操作元素字段,可实现在第一帧中携带四个信道中心频率分段字段,以实现对最大带宽为320MHz或240MHz时的BSS带宽指示。
本申请的一些实施例中,以第一帧为信标帧为例,如图9所示,为本申请实施例提供的信标帧的另一种组成结构示意图。EHT操作信息字段包括:多频段聚合模式字段、信道 带宽字段、操作等级字段、CCFS3、CCFS4。举例说明如下,结合VHT operation element字段中的CCFS0和CCFS1来进行联合指示。这时,只需要在EHT operation element字段中携带CCFS3和CCFS4即可。可以用CCFS0、CCFS1、CCFS3、CCFS4分别指示4个80MHz的频率分段的中心频率。
在本申请的一些实施例中,第一信道中心频率分段字段、第二信道中心频率分段字段,用于指示BSS工作在第二频段的两个频率分段;
第五信道中心频率分段字段、第六信道中心频率分段字段,用于指示BSS工作在第一频段的两个频率分段。
其中,第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。为了保持后向兼容性,本申请实施例中可以不修改CCFS0和CCFS1的含义,只对CCFS3和CCFS4的值进行设计来支持320MHz带宽和多频段聚合。一种方式为,默认CCFS0、CCFS1指示第一频段,CCFS3、CCFS4指示第二频段。
在本申请的一些实施例中,第一信道中心频率分段字段、第二信道中心频率分段字段、第五信道中心频率分段字段用于指示BSS工作在第二频段的三个频率分段;
第六信道中心频率分段字段,用于指示BSS工作在第一频段的一个频率分段。
其中,第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS5,第六信道中心频率分段字段可以是CCFS0。为了保持后向兼容性,本申请实施例中可以不修改CCFS0的含义,只对CCFS3、CCFS4、CCFS5的值进行设计来支持320MHz带宽和多频段聚合。一种方式为,默认CCFS0指示第一频段,CCFS3、CCFS4、CCFS5指示第二频段。
举例说明如下,VHT operation element中携带CCFS0和CCFS1,默认指示第一频段,EHT operation element中携带CCFS3、CCFS4和CCFS5,默认指示第二频段。通过CCFS0、CCFS1、CCFS3、CCFS4和CCFS5,可以用于支持EHT结合VHT的时候,BSS的带宽工作模式为80+240的情况,即第一频段为80MHz,CCFS1的取值为0,第二频段为240MHz时通过CCFS3、CCFS4和CCFS5可以指示三个频率分段。
在本申请的一些实施例中,第一帧,还包括:多频段聚合模式字段,其中,
第五信道中心频率分段字段、第六信道中心频率分段字段,用于指示BSS工作在第一频段的两个频率分段;
多频段聚合模式字段,用于指示第一信道中心频率分段字段、第二信道中心频率分段字段分别对应的频率分段所属的频段。
其中,第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。为了保持后向兼容性,本申请实施例中可以不修改CCFS0和CCFS1的含义,只对CCFS3和CCFS4的值进行设计来支持320MHz带宽和多频段聚合。另一种方式为,默认CCFS0、CCFS1指示第一频段,用多频段聚合模式字段来指示CCFS3、CCFS4属于哪个频段。例如下表4所示。
multi-band aggregation mode字段的取值 含义
0 CCFS3为第一频段,CCFS4为第二频段
1 CCFS3、CCFS4都为第二频段
2(或255) CCFS3、CCFS4都为第一频段
进一步的,在本申请的一些实施例中,第五信道中心频率分段字段,用于指示主信道所在的80MHz的频率分段的中心频率;
第六信道中心频率分段字段,用于当主信道所在的80MHz位于一个连续的160MHz中时,指示主信道所在的连续的160MHz的中心频率;当主信道所在的80MHz不在一个连续的160MHz中时,指示除主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;
第一信道中心频率分段字段,用于当存在除主信道所在的80MHz和第二个80MHz以外的第三个80MHz的频率分段时,指示第三个80MHz的频率分段的中心频率;
第二信道中心频率分段字段,用于当第三个80MHz位于一个连续的160MHz中,指示第三个80MHz所在的连续160MHz的中心频率;当第三个80MHz不在一个连续的160MHz中、且存在除主信道所在的80MHz、第二个80MHz和第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示第四个80MHz的频率分段的中心频率;或者,当存在除主信道所在的80MHz、第二个80MHz和第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示第四个80MHz的频率分段的中心频率。
通过上述第五信道中心频率分段字段、第六信道中心频率分段字段、第一信道中心频率分段字段、第二信道中心频率分段字段的具体取值,可以实现对BSS工作的频率分段的指示。第一信道中心频率分段字段可以是CCFS3,第二信道中心频率分段字段可以是CCFS4,第五信道中心频率分段字段可以是CCFS0,第六信道中心频率分段字段可以是CCFS1。举例说明如下,CCFS0、CCFS1、CCFS3、CCFS4的设置方法如下表5所示:
Figure PCTCN2019116243-appb-000003
前述实施例中对N等于4时第一帧中包括的信道中心频率分段字段和多频段聚合模式字段进行了说明,接下来对N等于2或3,即一共2个或3个频率分段聚合在一起的场景进行说明。需要说明的是,后续实施例中N等于2或3,与前述实施例中N等于4的情况相类似,后续实施例中N等于2或3的实现场景下本申请实施例提供的方案可实现的效果与前述实施例相类似,不再针对后续所有场景中的效果逐一详细说明,可参阅前述N等于4的实现场景中的效果说明。
在本申请的一些实施例中,N等于2时,第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段和多频段聚合模式字段,其中,
多频段聚合模式字段,用于指示第二信道中心频率分段字段分别对应的频率分段所属的频段;
第一信道中心频率分段字段、第二信道中心频率分段字段,用于指示BSS工作的两个频率分段。
本申请的一些实施例中,以第一帧为信标帧为例,如图10所示,为本申请实施例提供的信标帧的另一种组成结构示意图。EHT操作信息字段包括:信道带宽字段、操作等级字段、多频段聚合模式字段、CCFS3、CCFS4、分段大小字段。其中,多频段聚合模式字段用于指示CCFS4的分段大小。
在本申请的一些实施例中,第一帧,还包括:信道带宽字段,信道带宽字段用于指示BSS带宽;
信道带宽字段的长度为1个字节;
信道带宽字段的取值为4时,信道带宽字段用于指示BSS带宽为320MHz,或者160+160MHz。
在本申请的一些实施例中,第一信道中心频率分段字段的取值、第二信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值得到。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16或者再加16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值。
在本申请的一些实施例中,第一帧,还包括:信道带宽字段,信道带宽字段用于指示BSS带宽;
信道带宽字段的长度为1个字节;
信道带宽字段的取值为4时,信道带宽字段用于指示BSS带宽为320MHz;或者,
信道带宽字段的取值为5时,信道带宽字段用于指示BSS带宽为160+160MHz;或者,
信道带宽字段的取值为6时,信道带宽字段用于指示BSS带宽为240+80MHz;或者,
信道带宽字段的取值为7时,信道带宽字段用于指示BSS带宽为80+240MHz;或者,
信道带宽字段的取值为8时,信道带宽字段用于指示BSS带宽为240MHz;或者,
信道带宽字段的取值为9时,信道带宽字段用于指示BSS带宽为160+80MHz;或者,
信道带宽字段的取值为10时,信道带宽字段用于指示BSS带宽为80+160MHz。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:240+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减12,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加12;或者,
当BSS的工作信道的位置为如下频率位置:160+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值。
在本申请的一些实施例中,第一信道中心频率分段字段和第二信道中心频率分段字段是连续的两个频率分段;
当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16或减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:240+80MHz时,第一信道中心频率分段字 段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减12或加12,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值;或者,
当BSS的工作信道的位置为如下频率位置:160+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值。
在本申请的一些实施例中,第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段、第三操作等级字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,
第一操作等级字段,用于指示第一信道中心频率分段字段、第二信道中心频率分段字段属于第二频段;
第一信道中心频率分段字段、第二信道中心频率分段字段,用于指示BSS工作在第二频段的两个频率分段;
第三操作等级字段,用于指示第三信道中心频率分段字段、第四信道中心频率分段字段属于第一频段;
第三信道中心频率分段字段、第四信道中心频率分段字段,用于指示BSS工作在第一频段的两个频率分段。
接下来对N等2时的多频段聚合场景进行举例说明。
本实施例假设最多可以聚合2个频率分段来组合成320MHz的信道带宽,为了指示所述2个频率分段的中心频率,需要在EHT operation element中携带CCFS3、CCFS4,用来指示所述2个频率分段的中心频率。如图10所示,为本申请实施例提供的第一帧的另一种结构示意图。
由于最多聚合两个频率分段,为了支持最大320Mhz的信道带宽,下面分两种情况讨论。
第一种情况是,每个频率分段的带宽大小固定为160MHz。这时,大于160MHz的信道带宽只有连续的320MHz和160+160MHz的可能,因此需要赋予信道带宽(channel width,CW)段的一个值来指示320MHz和160+160MHz的带宽,如下表6所示。
CW 定义
0 20,40
1 80,160,80+80
2 deprecated
3 deprecated
4 320,160+160
CCFS3和CCFS4的设置方法也可以有以下两种。
第一种:CCFS3和CCFS4分别指示两个160MHz的中心频率。如下表7所示。
BSS bandwidth CCFS3 CCFS4
320 dot11CCCFI0-16 dot11CCCFI0+16
160+160 dot11CCCFI0 dot11CCCFI1
第二种:当带宽为160+160时,CCFS3和CCFS4分别指示两个160MHz的中心频率;当带宽为320MHz时,CCFS3指示第一个160MHz的中心频率,CCFS4指示整个320MHz的中心频率。如下表8所示。
BSS bandwidth CCFS3 CCFS4
320 dot11CCCFI0+-16 dot11CCCFI0
160+160 dot11CCCFI0 dot11CCCFI1
第二种情况是,每个频率分段的带宽大小是可以变化的。为了支持可变带宽的频率分段,可以在EHT operation information字段中携带Segment Size字段来指示所述两个频率分段的大小,如160MHz还是80MHz。具体地,可以是两个值,第一个值指示CCFS3的带宽大小,第二个值指示CCFS4的带宽大小;还可以是一个表,表中每一个条目指示CCFS3和CCFS4的不同带宽大小的组合;还可以是一个值,用来指示CCFS3以及CCFS4的带宽大小,两个CCFS的带宽大小相等。
如果不携带Segment Size域,也可以用“Channel Width”的不同值来区分两个频率分段的带宽分别为多大。如下表9所示。
CW 定义
0 20,40
1 80,160,80+80
2 deprecated
3 deprecated
4 320
5 160+160
6 240+80
7 80+240
8 240
9 160+80
10 80+160
CCFS3和CCFS4的设置方法也可以有以下两种。
第一种:CCFS3和CCFS4分别指示两个频率分段的中心频率。如下表10所示。
BSS bandwidth CCFS3 CCFS4
20,40 dot11CCCFI0 0
80 dot11CCCFI0 0
160 dot11CCCFI0-8 dot11CCCFI0+8
80+80 dot11CCCFI0 dot11CCCFI1
320 dot11CCCFI0-16 dot11CCCFI0+16
160+160 dot11CCCFI0 dot11CCCFI1
240+80 dot11CCCFI0 dot11CCCFI1
80+240 dot11CCCFI0 dot11CCCFI1
240 dot11CCCFI0-12 dot11CCCFI0+12
160+80 dot11CCCFI0 dot11CCCFI1
80+160 dot11CCCFI0 dot11CCCFI1
第二种:当存在两个不连续的频率分段时,CCFS3和CCFS4分别指示两个频率分段的中心频率;当只有1个频率分段时,CCFS3指示第一个80MHz的中心频率,CCFS4指示整个频率分段的中心频率。如下表11所示。
BSS bandwidth CCFS3 CCFS4
20,40 dot11CCCFI0 0
80 dot11CCCFI0 0
160 dot11CCCFI0+-8 dot11CCCFI0
80+80 dot11CCCFI0 dot11CCCFI1
320 dot11CCCFI0+-16 dot11CCCFI0
160+160 dot11CCCFI0 dot11CCCFI1
240+80 dot11CCCFI0 dot11CCCFI1
80+240 dot11CCCFI0 dot11CCCFI1
240 dot11CCCFI0+-12 dot11CCCFI0
160+80 dot11CCCFI0 dot11CCCFI1
80+160 dot11CCCFI0 dot11CCCFI1
类似地,可以用多频段聚合模式字段来指示CCFS3、CCFS4属于哪个频段。例如下表12的指示方法。
多频段聚合模式字段的取值 含义
0 CCFS3为第一频段,CCFS4为第二频段
1 CCFS3、CCFS4都为第一频段
或者,通过operating class的值来判断CCFS3和CCFS4是属于同一个频段还是分属于不同频段。例如,当operating class的值不是特殊值得时候,CCFS3和CCFS4分别属于两个频段;而当operating class的值是特殊值(如255)的时候,CCFS3、CCFS4都为第一频段。
如图11所示,为本申请实施例提供的EHT操作信息字段的另一种组成结构示意图。EHT 操作信息字段,包括:信道带宽字段、第一操作等级字段、CCFS3、CCFS4、第二操作等级字段、CCFS5和CCFS6。分开指示两个频段的CCFS,无需使用多频段聚合模式字段。
前述实施例中对N等于2时第一帧中包括的信道中心频率分段字段和多频段聚合模式字段进行了说明,接下来对N等于3,即一共3个频率分段聚合在一起的场景进行说明。
在本申请的一些实施例中,第一帧,还包括:第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段和多频段聚合模式字段,其中,
多频段聚合模式字段,用于指示第二信道中心频率分段字段、第三信道中心频率分段字段分别对应的频率分段所属的频段;
第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段,用于指示BSS工作的三个频率分段。
在本申请的一些实施例中,第一帧,还包括:信道带宽字段,信道带宽字段用于指示BSS带宽;
信道带宽字段的长度为1个字节;
信道带宽字段的取值为4时,信道带宽字段用于指示BSS带宽为320MHz、160+160MHz、80+80+160MHz、80+240MHz,或者80+160MHz。
在本申请的一些实施例中,第一信道中心频率分段字段的取值、第二信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值得到。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减24,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减16,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8;或者,
当BSS的工作信道的位置为如下频率位置:80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为0,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值。
在本申请的一些实施例中,第一帧,还包括:分段大小字段,用于分别指示第一信道 中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段的分段大小。
在本申请的一些实施例中,信道带宽字段的长度为1个字节;
信道带宽字段的取值为4时,信道带宽字段用于指示BSS带宽为320MHz;或者,
信道带宽字段的取值为5时,信道带宽字段用于指示BSS带宽为160+160MHz;或者,
信道带宽字段的取值为6时,信道带宽字段用于指示BSS带宽为80+80+160MHz;或者,
信道带宽字段的取值为7时,信道带宽字段用于指示BSS带宽为80+240MHz;或者,
信道带宽字段的取值为8时,信道带宽字段用于指示BSS带宽为240MHz;或者,
信道带宽字段的取值为9时,信道带宽字段用于指示BSS带宽为80+160MHz;或者,
信道带宽字段的取值为10时,信道带宽字段用于指示BSS带宽为160+80MHz;或者,
信道带宽字段的取值为11时,信道带宽字段用于指示BSS带宽为80+80+80MHz。
在本申请的一些实施例中,当BSS的工作信道的位置为如下频率位置:320MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减24,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:160+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减16,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8;或者,
当BSS的工作信道的位置为如下频率位置:240MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减16,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加16;或者,
当BSS的工作信道的位置为如下频率位置:160+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再减8,第二信道中心频率分段字段的取值为当前信道中心频率指示符0的取值再加8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值;或者,
当BSS的工作信道的位置为如下频率位置:80+160MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再减8,第三信道中心频率分段字段的取值为当前信道中心频率指示符1的取值再加8;或者,
当BSS的工作信道的位置为如下频率位置:80+80+80MHz时,第一信道中心频率分段字段的取值为当前信道中心频率指示符0的取值,第二信道中心频率分段字段的取值为当前信道中心频率指示符1的取值,第三信道中心频率分段字段的取值为当前信道中心频率指示符2的取值。
在本申请的一些实施例中,第一帧,还包括:第一信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,
第一信道中心频率分段字段在第一操作元素字段中;
第五信道中心频率分段字段和第六信道中心频率分段字段在第二操作元素字段中;
第一操作元素字段和第二操作元素字段在第一帧中。
在本申请的一些实施例中,第一信道中心频率分段字段,用于指示BSS工作在第二频段的一个频率分段;
第五信道中心频率分段字段、第六信道中心频率分段字段,用于指示BSS工作在第一频段的两个频率分段。
在本申请的一些实施例中,第一帧,还包括:多频段聚合模式字段,其中,
第五信道中心频率分段字段、第六信道中心频率分段字段,用于指示BSS工作在第一频段的两个频率分段;
多频段聚合模式字段,用于指示第一信道中心频率分段字段对应的频率分段所属的频段。
在本申请的一些实施例中,第五信道中心频率分段字段,用于指示主信道所在的80MHz的频率分段的中心频率;
第六信道中心频率分段字段,用于当主信道所在的80MHz位于一个连续的160MHz中时,指示连续的160MHz的中心频率;当主信道所在的80MHz不在一个连续的160MHz中时,指示除主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;
第一信道中心频率分段字段,用于当BSS带宽为320MHz、160+160MHz、80+80+160MHz,或者80+240MHz时,指示除连续的160MHz以外的最后一个连续160MHz的频率分段的中心频率;当BSS带宽为240MHz、80+160MHz、160+80MHz,或者80+80+80MHz时,指示最后一个80MHz的频率分段的中心频率。
接下来对N等3时的多频段聚合场景进行举例说明。
本实施例假设最多可以聚合3个频率分段来组合成320MHz的信道带宽,为了指示所述3个频率分段的中心频率,需要在EHT operation element中携带CCFS3、CCFS4、CCFS5,用来指示所述3个频率分段的中心频率。如图12所示,为本申请实施例提供的信标帧的另一种组成结构示意图。
主要分为如下三种情况:
第一种情况是,三个频率分段的大小分别为80MHz,80MHz,160MHz。这时,大于160MHz的信道带宽只有连续的320MHz和160+160MHz,80+80+160,80+240以及80+160这5种可能,因此需要赋予Channel Width域一个值来指示这5种带宽,如下表13所示。
Figure PCTCN2019116243-appb-000004
CCFS3、CCFS4和CCFS5的设置方法如下表14所示。
Figure PCTCN2019116243-appb-000005
第二种情况是,第三个频率分段的带宽大小是可以变化的。为了支持可变带宽的频率分段,可以在EHT operation information字段中携带Segment Size字段来指示所述第三个频率分段的大小,如160MHz还是80MHz。
如果不携带Segment Size字段,也可以用“Channel Width”的不同值来区分两个频率分段(segment)的带宽分别为多大。如下表15所示。
CW 定义
0 20,40
1 80,160,80+80
2 deprecated
3 deprecated
4 320
5 160+160
6 80+80+160
7 80+240
8 240
9 80+160
10 160+80
11 80+80+80
CCFS3、CCFS4和CCFS5的设置方法如下表16所示。
BSS bandwidth CCFS3 CCFS4 CCFS5
320 dot11CCCFI0-24 dot11CCCFI0-8 dot11CCCFI0+16
160+160 dot11CCCFI0-8 dot11CCCFI0+8 dot11CCCFI1
80+80+160 dot11CCCFI0 dot11CCCFI1 dot11CCCFI2
80+240 dot11CCCFI0 dot11CCCFI1-16 dot11CCCFI1+8
240 dot11CCCFI0-16 dot11CCCFI0 dot11CCCFI0+16
160+80 dot11CCCFI0-8 dot11CCCFI0+8 dot11CCCFI1
80+160 dot11CCCFI0 dot11CCCFI1-8 dot11CCCFI1+8
80+80+80 dot11CCCFI0 dot11CCCFI1 dot11CCCFI2
类似地,可以用多频段聚合模式字段来指示CCFS3、CCFS4属于哪个频段。例如下表17的指示方法。
多频段聚合模式字段的取值 含义
0 CCFS3为第一频段,CCFS4和CCFS5为第二频段
1 CCFS3、CCFS4为第一频段,CCFS5为第二频段
2(或255) CCFS3、CCFS4、CCFS5都属于第一频段
可选地,可规定当operating class的值是特殊值(如255)的时候,CCFS3、CCFS4和CCFS5都为第一频段。
另一种实施方式为,结合VHT operation element中的CCFS0和CCFS1来进行联合指示。这时,只需要在EHT operation element中携带CCFS3即可。如图13所示,为本申请实施例提供的信标帧的另一种组成结构示意图。
与前述方案类似,CCFS3的带宽大小可以为160MHz,也可以由分段大小字段来指示,此处不再赘述。
可以用CCFS0、CCFS1、CCFS3分别完成本实施例中前述方案中CCFS3、CCFS4、CCFS5的功能,此时方案与前述方案类似。为了保持后向兼容性,也可以不修改CCFS0和CCFS1的含义,只对CCFS3的值进行设计来支持320MHz带宽和多频段聚合。
一种方式为,默认CCFS0/1指示频段1,CCFS3指示频段2。
另一种方式为,默认CCFS0/1指示频段1,用多频段聚合模式字段来指示CCFS3属于哪个频段。例如下表18的指示方法。
多频段聚合模式字段的取值 含义
0 CCFS3为第二频段
1 CCFS3为第一频段
CCFS0、CCFS1、CCFS3的设置方法如下表19所示:
Figure PCTCN2019116243-appb-000006
通过上述实施例的举例说明可知,本申请实施例可以实现在EHT operation element中携带第二频段的operating class。本申请实施例还可以在信标帧中新增多频段聚合模式字段,用于指示四个、两个、三个CCFS分别属于哪个频段。本申请实施例还可以在信标帧中新增分段大小字段分段的带宽大小,本申请实施例还可以在信标帧中新增带宽大小字段指示各种不同的带宽聚合方式。
602、第一通信设备发送第一帧。
在本申请实施例中,第一通信设备在生成前述的第一帧之后,第一通信设备可以通过通信网络发送该第一帧,例如第一通信设备和第二通信设备处于同一个通信网络中,则第一通信设备可以向第二通信设备发送该第一帧,对于第一帧的帧结构说明,详见前述内容的详细说明。
在本申请实施例中,第一通信设备生成的第一帧具体可以包括:管理帧。例如该第一帧具体可以是信标帧,或者该第一帧是其他管理帧,例如第一帧具体可以是关联响应帧。对于第一帧的具体实现方式,可结合应用场景来确定。
603、第二通信设备从第一通信设备接收第一帧。
在本申请实施例中,第一通信设备和第二通信设备处于同一个通信网络中,第一通信设备可以向第二通信设备发送该第一帧,第二通信设备通过该通信网络可以接收到第一帧。
604、第二通信设备解析第一帧,以得到N个信道中心频率分段字段和多频段聚合模式字段,N的取值为大于或等于2的正整数。
其中,第一通信设备生成第一帧后发送给第二通信设备。第二通信设备接收到第一帧之后,按照预配置的帧结构解析方式,第二通信设备可以从第一帧中解析出N个信道中心频率分段字段和多频段聚合模式字段,并获取到N个信道中心频率分段字段的取值和多频段聚合模式字段的取值。
605、第二通信设备根据N个信道中心频率分段字段和多频段聚合模式字段确定第一通 信设备建立的BSS工作的N个频率分段分别属于第一频段或者第二频段,第一频段是包括主信道的频段,第二频段是不包括主信道的频段。
在本申请实施例中,第二通信设备在确定出N个信道中心频率分段字段和多频段聚合模式字段之后,获取到获取到N个信道中心频率分段字段的取值和多频段聚合模式字段的取值,第二通信设备根据根据N个信道中心频率分段字段和多频段聚合模式字段确定BSS工作的N个频率分段分别属于第一频段或者第二频段,从而第二通信设备可以确定出第一通信设备所使用的N频率分段,从而进行多频段聚合传输。
通过前述实施例对本申请实施例的举例说明可知,第一通信设备生成的第一帧中包括有N个信道中心频率分段字段和多频段聚合模式字段,第一通信设备向第二通信设备发送该第一帧,因此第二通信设备可以根据接收到的第一帧来获取到N个信道中心频率分段字段和多频段聚合模式字段,据此确定BSS工作的N个频率分段,以及N个频率分段分别属于第一频段或者第二频段,因此本申请实施例中可以实现在多频段聚合场景下的频率分段指示,提高资源使用效率。
需要说明的是,对于前述的各方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请并不受所描述的动作顺序的限制,因为依据本申请,某些步骤可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本申请所必须的。
为便于更好的实施本申请实施例的上述方案,下面还提供用于实施上述方案的相关装置。
本申请实施例提供一种通信设备,如图14所示,通信设备1400可以为第一通信设备,或者第二通信设备,应理解,本实施中所述的第一通信设备具有上述方法中第一通信设备的任意功能,本实施中所述的第二通信设备具有上述方法中第二通信设备的任意功能。通信设备1400可以包括:处理模块1401、发送模块1402和接收模块1403。其中,处理模块1401分别和发送模块1402、接收模块1403相连接,接下来对通信设备1400中各模块的功能进行说明。
示例性地,所述第一通信设备,包括:
处理模块,用于生成第一帧,所述第一帧包括:第一操作等级字段,其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述第一操作等级字段用于指示所述第二频段的起始频点,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段;
发送模块,用于发送所述第一帧。
示例性地,所述第二通信设备,包括:
接收模块,用于从第一通信设备接收第一帧;
处理模块,用于解析所述第一帧,以得到第一操作等级字段;
处理模块,用于根据所述第一操作等级字段确定所述第一通信设备建立的基本服务集BSS工作的第二频段的起始频点,所述BSS同时工作在第一频段和所述第二频段,其中,所述第一频段是包括主信道的频段,所述第二频段是不包括所述主信道的频段。
示例性地,所述第一通信设备,包括:
处理模块,用于生成第一帧,所述第一帧包括:N个信道中心频率分段字段和多频段聚合模式字段;其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述多频段聚合模式字段用于指示所述N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段属于所述第一频段或者所述第二频段,所述N个信道中心频率分段字段用于指示所述BSS工作的N个频率分段,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段,所述N的取值为大于或等于2的正整数;
发送模块,用于发送所述第一帧。
示例性地,所述第二通信设备,包括:
接收模块,用于从第一通信设备接收第一帧;
处理模块,用于解析所述第一帧,以得到N个信道中心频率分段字段和多频段聚合模式字段,所述N的取值为大于或等于2的正整数;
处理模块,用于根据所述N个信道中心频率分段字段和所述多频段聚合模式字段确定所述第一通信设备建立的基本服务集BSS工作的N个频率分段分别属于第一频段或者第二频段,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段。
在本申请实施例中,上述实施例提供的通信设备,可以有多种产品形态来实现,例如,所述通信设备可配置成通用处理系统;例如,所述通信设备可以由一般性的总线体系结构来实现;例如,所述通信设备可以由特定应用集成电路(application specific integrated circuit,ASIC)来实现等等。以下提供本申请实施例通信设备可能的几种产品形态,应当理解的是,以下仅为举例,不限制本申请实施例可能的产品形态仅限于此。
图15是本申请实施例所述的通信设备可能的一种产品形态的结构图。作为一种可能的产品形态,通信设备可以为前述的第一通信设备或者第二通信设备,应理解,本实施中所述的第一通信设备具有上述方法中第一通信设备的任意功能。本实施中所述的第二通信设备具有上述方法中第二通信设备的任意功能。所述前述的第一通信设备或者第二通信设备包括处理器1502和收发器1504;可选地,所述信息接收/发送设备还可以包括存储介质1503。其中,处理器1502和收发器1504、存储介质1503通过内部连接互相通信。
在本申请的一些实施例中,处理器1502,用于执行第一通信设备的任意可能的实现方式中的方法;收发器1504,接收处理器1502的控制,用于执行第一通信设备的任意可能的实现方式中的方法中信号的收发;存储介质1503,用于存储指令,所述指令被处理器调用,以执行第一通信设备的任意可能的实现方式中的方法。
在本申请的另一些实施例中,处理器1502,用于执行第二通信设备的任意可能的实现方式中的方法;收发器1504,接收处理器1502的控制,用于执行第二通信设备的任意可能的实现方式中的方法中信号的收发;存储介质1503,用于存储指令,所述指令被处理器调用,以执行第二通信设备的任意可能的实现方式中的方法。
图16是本申请实施例所述的通信设备可能的一种产品形态的结构图。作为一种可能的产品形态,通信设备也由通用处理器来实现,即俗称的芯片来实现。该通用处理 器包括:处理电路1602和收发管脚1604,不限定的是,该通用处理器中的收发管脚还可以替换为收发接口。可选地,该通用处理器还可以包括存储介质1603。其中,处理电路1602和收发管脚1604、存储介质1603通过内部连接互相通信。应理解,本实施中所述的通用处理器具有上述方法中第一通信设备的任意功能,或者具有上述方法中第二通信设备的任意功能。
在本申请的一些实施例中,处理电路1602,用于执行第一通信设备的任意可能的实现方式中的方法;收发管脚1604,接收处理电路1602的控制,用于执行第一通信设备的任意可能的实现方式中的方法中信号的收发;存储介质1603,用于存储指令,所述指令被处理器调用,以执行第一通信设备的任意可能的实现方式中的方法。
在本申请的另一些实施例中,处理电路1602,用于执行第二通信设备的任意可能的实现方式中的方法;收发管脚1604,接收处理电路1602的控制,用于执行第二通信设备的任意可能的实现方式中的方法中信号的收发;存储介质1603,用于存储指令,所述指令被处理器调用,以执行第二通信设备的任意可能的实现方式中的方法。
作为另一种可能的产品形态,通信设备也可以使用下述来实现:一个或多个现场可编程门阵列(field programmable gate array,FPGA)、可编程逻辑器件(programmable logic device,PLD)、控制器、状态机、门逻辑、分立硬件部件、任何其它适合的电路、或者能够执行本申请通篇所描述的各种功能的电路的任意组合。
另外需说明的是,以上所描述的装置实施例仅仅是示意性的,其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外,本申请提供的装置实施例附图中,模块之间的连接关系表示它们之间具有通信连接,具体可以实现为一条或多条通信总线或信号线。本领域普通技术人员在不付出创造性劳动的情况下,即可以理解并实施。
通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到本申请可借助软件加必需的通用硬件的方式来实现,当然也可以通过专用硬件包括专用集成电路、专用CPU、专用存储器、专用元器件等来实现。一般情况下,凡由计算机程序完成的功能都可以很容易地用相应的硬件来实现,而且,用来实现同一功能的具体硬件结构也可以是多种多样的,例如模拟电路、数字电路或专用电路等。但是,对本申请而言更多情况下软件程序实现是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在可读取的存储介质中,如计算机的软盘、U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述的方法。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。
所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机 程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存储的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。

Claims (23)

  1. 一种多频段指示方法,其特征在于,包括:
    第一通信设备生成第一帧,所述第一帧包括:第一操作等级字段,其中,当所述第一通信设备建立的基本服务集BSS同时工作在第一频段和第二频段时,所述第一操作等级字段用于指示所述第二频段的起始频点,所述第一频段是包括主信道的频段,第二频段是不包括所述主信道的频段;
    所述第一通信设备发送所述第一帧。
  2. 一种多频段指示方法,其特征在于,包括:
    第二通信设备从第一通信设备接收第一帧;
    所述第二通信设备解析所述第一帧,以得到第一操作等级字段;
    所述第二通信设备根据所述第一操作等级字段确定所述第一通信设备建立的基本服务集BSS工作的第二频段的起始频点,所述BSS同时工作在第一频段和所述第二频段,其中,所述第一频段是包括主信道的频段,所述第二频段是不包括所述主信道的频段。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一帧,还包括:N个信道中心频率分段字段和多频段聚合模式字段,所述N的取值为大于或等于2的正整数;
    所述多频段聚合模式字段,用于指示所述N个信道中心频率分段字段中至少一个信道中心频率分段字段对应的频率分段所属的频段;
    所述N个信道中心频率分段字段,用于指示所述BSS工作的N个频率分段。
  4. 根据权利要求3所述的方法,其特征在于,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段,其中,
    所述多频段聚合模式字段,用于指示所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段分别对应的频率分段所属的频段;
    所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作的四个频率分段。
  5. 根据权利要求4所述的方法,其特征在于,所述第一帧,还包括:信道带宽字段,所述信道带宽字段用于指示BSS带宽;
    所述信道带宽字段的长度为1个字节;
    所述信道带宽字段的取值为4时,所述信道带宽字段用于指示所述BSS带宽为320MHz、160+160MHz、80+80+160MHz、160+80+80MHz、80+160+80MHz、80+80+80+80MHz、240+80MHz、80+240MHz、240MHz、160+80MHz、80+160MHz,或者80+80+80MHz。
  6. 根据权利要求4至5中任一项所述的方法,其特征在于,所述第一信道中心频率分段字段的取值、所述第二信道中心频率分段字段的取值、所述第三信道中心频率分段字段的取值、所述第四信道中心频率分段字段的取值通过当前信道中心频率指示符0的取值、当前信道中心频率指示符1的取值、当前信道中心频率指示符2的取值、当前信道中心频率指示符3的取值得到。
  7. 根据权利要求6所述的方法,其特征在于,当所述BSS的工作信道的位置为如下频 率位置:320MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减24,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加24;或者,
    当所述BSS的工作信道的位置为如下频率位置:160+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再减8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值再加8;或者,
    当所述BSS的工作信道的位置为如下频率位置:160+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符3的取值;或者,
    当所述BSS的工作信道的位置为如下频率位置:240+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减16,所述第三信道中心频率分段 字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加16;或者,
    当所述BSS的工作信道的位置为如下频率位置:240MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减16,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加16,所述第四信道中心频率分段字段的取值为0;或者,
    当所述BSS的工作信道的位置为如下频率位置:160+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再减8,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值再加8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第四信道中心频率分段字段的取值为0;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+160MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再减8,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值再加8,所述第四信道中心频率分段字段的取值为0;或者,
    当所述BSS的工作信道的位置为如下频率位置:80+80+80MHz时,所述第一信道中心频率分段字段的取值为所述当前信道中心频率指示符0的取值,所述第二信道中心频率分段字段的取值为所述当前信道中心频率指示符1的取值,所述第三信道中心频率分段字段的取值为所述当前信道中心频率指示符2的取值,所述第四信道中心频率分段字段的取值为0。
  8. 根据权利要求3至7中任一项所述的方法,其特征在于,所述第一帧,还包括:分段大小字段,用于分别指示所述N个信道中心频率分段字段的分段大小。
  9. 根据权利要求3所述的方法,其特征在于,所述N等于4时,所述N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第五信道中心频率分段字段、第六信道中心频率分段字段,其中,
    所述第一信道中心频率分段字段和所述第二信道中心频率分段字段在第一操作元素字段中;
    所述第五信道中心频率分段字段和所述第六信道中心频率分段字段在第二操作元素字段中;
    所述第一操作元素字段和所述第二操作元素字段在所述第一帧中。
  10. 根据权利要求9所述的方法,其特征在于,所述第一信道中心频率分段字段、所述第二信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的两个频率分段;
    所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段。
  11. 根据权利要求9所述的方法,其特征在于,所述第一帧,还包括:多频段聚合模式字段,其中,
    所述第五信道中心频率分段字段、所述第六信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的两个频率分段;
    所述多频段聚合模式字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段分别对应的频率分段所属的频段。
  12. 根据权利要求10或11所述的方法,其特征在于,
    所述第五信道中心频率分段字段,用于指示所述主信道所在的80MHz的频率分段的中心频率;
    所述第六信道中心频率分段字段,用于当所述主信道所在的80MHz位于一个连续的160MHz中时,指示所述主信道所在的连续的160MHz的中心频率;当所述主信道所在的80MHz不在一个连续的160MHz中时,指示除所述主信道所在的80MHz以外的第二个80MHz的频率分段的中心频率;
    所述第一信道中心频率分段字段,用于当存在除所述主信道所在的80MHz和所述第二个80MHz以外的第三个80MHz的频率分段时,指示所述第三个80MHz的频率分段的中心频率;
    所述第二信道中心频率分段字段,用于当所述第三个80MHz位于一个连续的160MHz中,指示所述第三个80MHz所在的连续160MHz的中心频率;当所述第三个80MHz不在一个连续的160MHz中、且存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率;或者,当存在除所述主信道所在的80MHz、所述第二个80MHz和所述第三个80MHz的频率分段以外的第四个80MHz的频率分段时,指示所述第四个80MHz的频率分段的中心频率。
  13. 根据权利要求1至12中任一项所述的方法,其特征在于,所述第一操作等级字段的取值为预设值时,所述第一操作等级字段用于指示所述BSS工作在所述第一频段,且所述BSS不支持所述第二频段。
  14. 根据权利要求1至13中任一项所述的方法,其特征在于,所述第一帧,还包括:频段标识字段,所述频段标识字段用于标识所述第二频段。
  15. 根据权利要求1至14中任一项所述的方法,其特征在于,所述第一操作等级字段在第一操作信息字段中;
    所述第一操作信息字段在第一操作元素字段中;
    所述第一操作元素字段在所述第一帧中。
  16. 根据权利要求1至15中任一项所述的方法,其特征在于,所述第一帧,还包括:第二操作等级字段,所述第二操作等级字段用于指示所述第一频段的起始频点。
  17. 根据权利要求1或2所述的方法,其特征在于,所述第一帧,还包括:2N个信道中心频率分段字段和第三操作等级字段,所述N的取值为大于或等于2的正整数;
    所述第一操作等级字段,还用于指示所述2N个信道中心频率分段字段的其中N个信道中心频率分段字段属于所述第二频段;
    所述第三操作等级字段,用于指示所述2N个信道中心频率分段字段的另外N个信道中心频率分段字段属于所述第一频段;
    所述2N个信道中心频率分段字段,用于指示所述BSS工作的N个频率分段。
  18. 根据权利要求17所述的方法,其特征在于,所述N等于4时,所述2N个信道中心频率分段字段为第一信道中心频率分段字段、第二信道中心频率分段字段、第三信道中心频率分段字段、第四信道中心频率分段字段、第七信道中心频率分段字段、第八信道中心频率分段字段、第九信道中心频率分段字段、第十信道中心频率分段字段,其中,
    所述第一操作等级字段,用于指示所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段属于所述第二频段;
    所述第一信道中心频率分段字段、所述第二信道中心频率分段字段、所述第三信道中心频率分段字段、所述第四信道中心频率分段字段,用于指示所述BSS工作在所述第二频段的四个频率分段;
    所述第三操作等级字段,用于指示所述第七信道中心频率分段字段、所述第八信道中心频率分段字段、所述第九信道中心频率分段字段、所述第十信道中心频率分段字段属于所述第一频段;
    所述第七信道中心频率分段字段、所述第八信道中心频率分段字段、所述第九信道中心频率分段字段、所述第十信道中心频率分段字段,用于指示所述BSS工作在所述第一频段的四个频率分段。
  19. 一种通信设备,其特征在于,包括用于执行权利要求1-18任一项方法的单元。
  20. 一种通信设备,其特征在于,包括处理器和收发器,所述处理器和所述收发器通过内部连接通路互相通信;
    所述处理器,用于执行权利要求1-18任一项方法;
    所述收发器,接收处理器的控制,用于执行权利要求1-18任一项方法中信号的收发。
  21. 一种计算机可读存储介质,用于存储计算机程序,该计算机程序包括用于执行权利要求1至18中任意一项所述的方法的指令。
  22. 一种计算机程序,该计算机程序包括用于执行权利要求1至18中任意一项所述的方法的指令。
  23. 一种芯片,其特征在于,所述芯片包括处理电路和收发管脚,所述收发管脚和所述处理电路通过内部连接通路互相通信;
    所述处理电路,用于执行权利要求1-18任一项所述的方法;
    所述收发管脚,接收所述处理电路的控制,用于执行权利要求1-18任一项方法中信号的收发。
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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN111641970B (zh) * 2020-05-29 2022-08-19 成都极米科技股份有限公司 终端使用多链路收发数据的方法及终端
CN114071581A (zh) * 2020-08-07 2022-02-18 华为技术有限公司 带宽模式指示方法及装置
EP4277435A4 (en) * 2021-01-06 2024-03-06 Beijing Xiaomi Mobile Software Co Ltd COMMUNICATION METHOD AND COMMUNICATION DEVICE
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104584576A (zh) * 2012-08-13 2015-04-29 Lg电子株式会社 在白空间带中的信道化方法及其设备
CN104704885A (zh) * 2012-08-08 2015-06-10 Lg电子株式会社 无线lan中的扫描方法和装置
CN105745858A (zh) * 2013-11-07 2016-07-06 高通股份有限公司 无线网络中的主信道确定
US20170111918A1 (en) * 2012-04-02 2017-04-20 Intel Deutschland Gmbh Radio communication device and method for operating a radio communication device
CN107251472A (zh) * 2015-02-17 2017-10-13 韦勒斯标准与技术协会公司 用于多用户传输的信令方法及使用其的无线通信终端和无线通信方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101493528B1 (ko) * 2008-12-12 2015-02-16 엘지전자 주식회사 초고처리율 무선랜 시스템에서의 대역 스위치 방법 및 이를위한 프레임 포맷
US9769774B2 (en) * 2010-12-30 2017-09-19 Lg Electronics Inc. Method and apparatus for transceiving channel transmit power information in a wireless communication system
WO2014088175A1 (ko) * 2012-12-03 2014-06-12 엘지전자 주식회사 무선랜 시스템에서 다중 대역 스캐닝 방법 및 장치
US9503247B2 (en) * 2014-05-21 2016-11-22 Verizon Patent And Licensing Inc. Carrier aggregation management
US10212630B2 (en) * 2016-02-03 2019-02-19 Intel IP Corporation Apparatus, system and method of fast basic service set (BSS) transition (FT)
US9930713B2 (en) * 2016-08-19 2018-03-27 Intel IP Corporation Multi-band link aggregation setup frames
WO2020032639A1 (ko) * 2018-08-10 2020-02-13 엘지전자 주식회사 다수의 밴드를 지원하는 무선랜 시스템에서 스테이션의 동작을 위한 정보를 송신하는 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170111918A1 (en) * 2012-04-02 2017-04-20 Intel Deutschland Gmbh Radio communication device and method for operating a radio communication device
CN104704885A (zh) * 2012-08-08 2015-06-10 Lg电子株式会社 无线lan中的扫描方法和装置
CN104584576A (zh) * 2012-08-13 2015-04-29 Lg电子株式会社 在白空间带中的信道化方法及其设备
CN105745858A (zh) * 2013-11-07 2016-07-06 高通股份有限公司 无线网络中的主信道确定
CN107251472A (zh) * 2015-02-17 2017-10-13 韦勒斯标准与技术协会公司 用于多用户传输的信令方法及使用其的无线通信终端和无线通信方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3866373A4

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