WO2021147918A1 - Procédé, dispositif, et système d'envoi de signal de référence - Google Patents

Procédé, dispositif, et système d'envoi de signal de référence Download PDF

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Publication number
WO2021147918A1
WO2021147918A1 PCT/CN2021/072915 CN2021072915W WO2021147918A1 WO 2021147918 A1 WO2021147918 A1 WO 2021147918A1 CN 2021072915 W CN2021072915 W CN 2021072915W WO 2021147918 A1 WO2021147918 A1 WO 2021147918A1
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WIPO (PCT)
Prior art keywords
reference signal
resource
sub
bandwidth
enabling
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PCT/CN2021/072915
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English (en)
Chinese (zh)
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施源
王振
塔玛拉卡拉盖施
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维沃移动通信有限公司
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Publication of WO2021147918A1 publication Critical patent/WO2021147918A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Definitions

  • the embodiments of the present invention relate to the field of communication technologies, and in particular, to a method, device, and system for sending a reference signal.
  • a user equipment can perform uplink channel estimation by sending a sounding reference signal (sounding reference signal, SRS) to a network device.
  • the network device configures a resource for sending an SRS (hereinafter referred to as an SRS resource) for the UE, so that the UE can send an SRS to the network device on the SRS resource.
  • the UE since the UE sends SRS on each sub-resource in the SRS resource, and the total energy of the UE sending SRS is constant, the energy of the UE sending SRS on each sub-resource is relatively small, thus As a result, the signal quality of the SRS sent by the UE is poor, thereby reducing the accuracy of uplink channel estimation.
  • the embodiments of the present invention provide a reference signal sending method, device, and system to solve the problem of poor signal quality of SRS sent by the existing UE.
  • an embodiment of the present invention provides a reference signal transmission method, which is applied to a UE, and the method includes: receiving enable signaling of a reference signal resource; on the enable sub-resource indicated by the enable signaling, Send reference signal.
  • an embodiment of the present invention provides a reference signal sending method, which is applied to a network device, and the method includes: sending an enabling signaling of reference signal resources to a UE, and the enabling signaling is used to indicate that the UE is using The reference signal is sent on the energy sub-resource.
  • an embodiment of the present invention provides a UE, and the UE includes a receiving module and a sending module.
  • the receiving module is used to receive the enable signaling of the reference signal resource; the transmitting module is used to transmit the reference signal on the enable sub-resource indicated by the enable signaling received by the receiving module.
  • an embodiment of the present invention provides a network device, and the network device includes a sending unit.
  • the sending unit is used to send reference signal resource enabling signaling to the UE, and the enabling signaling is used to instruct the UE to send the reference signal on the enabling sub-resource.
  • an embodiment of the present invention provides a UE including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • the computer program implements the above-mentioned first when executed by the processor.
  • the steps of the reference signal sending method provided in the aspect are described in detail below.
  • an embodiment of the present invention provides a network device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program is executed by the processor to implement the above-mentioned first The steps of the reference signal sending method provided by the second aspect.
  • an embodiment of the present invention provides a communication system, which includes the UE in the third aspect described above, and the network device in the fourth aspect described above.
  • the communication system includes the UE in the fifth aspect described above, and the network equipment in the sixth aspect described above.
  • an embodiment of the present invention provides a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the reference signal in the first aspect or the second aspect is realized. The steps of the sending method.
  • the enabling signaling of the reference signal resource may be received, and the reference signal may be sent on the enabling sub-resource indicated by the enabling signaling.
  • FIG. 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for sending a reference signal according to an embodiment of the present invention
  • FIG. 3 is one of the schematic diagrams of the application of a method for sending a reference signal according to an embodiment of the present invention
  • FIG. 4 is the second schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention
  • FIG. 5 is the third schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 6 is the fourth schematic diagram of the application of a reference signal sending method according to an embodiment of the present invention.
  • FIG. 7 is the fifth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 8 is a sixth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 9 is a seventh schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 10 is the eighth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 11 is a ninth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 12 is a tenth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 13 is the eleventh schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 14 is a twelfth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • 15 is a thirteenth schematic diagram of the application of a reference signal sending method according to an embodiment of the present invention.
  • FIG. 16 is the fourteenth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 17 is the fifteenth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 18 is a sixteenth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • FIG. 19 is the seventeenth schematic diagram of the application of a method for sending a reference signal according to an embodiment of the present invention.
  • 20 is the eighteenth schematic diagram of the application of a reference signal sending method according to an embodiment of the present invention.
  • FIG. 21 is a schematic structural diagram of a UE provided by an embodiment of the present invention.
  • FIG. 22 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 23 is a schematic diagram of hardware of a UE provided by an embodiment of the present invention.
  • FIG. 24 is a schematic diagram of hardware of a network device provided by an embodiment of the present invention.
  • first and second in the specification and claims of the present invention are used to distinguish different objects, rather than to describe a specific order of objects.
  • first indication information and the second indication information are used to distinguish different indication information, rather than to describe a specific order of the indication information.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • plural means two or more than two, for example, a plurality of elements means two or more elements, and so on.
  • Embodiments of the present invention provide a reference signal sending method, device, and system, which can receive enable signaling of reference signal resources, and send the reference signal on the enable sub-resource indicated by the enable signaling.
  • the UE since the UE can only send the reference signal on the enable sub-resource indicated by the enable signaling, the number of sub-resources for sending the reference signal can be reduced, and since the total energy for the UE to send the reference signal is constant, When the number of sub-resources for sending the reference signal is reduced, the energy of the reference signal sent on each sub-resource can be increased, so that the quality of the reference signal sent by the UE can be improved.
  • the reference signal sending method provided by the embodiment of the present invention can be applied to a communication system.
  • the communication system may be a wireless communication system, and the wireless communication system may include a network device and a UE.
  • FIG. 1 it is a schematic diagram of the architecture of a wireless communication system provided by an embodiment of the present invention.
  • the wireless communication system may include a network device 01 and a UE 02. Among them, a connection can be established between the network device 01 and the UE 02. It can be understood that there may be a wireless connection between the network device 01 and the UE 02.
  • the UE is a device that provides users with voice and/or data connectivity, a handheld device with wired/wireless connection function, or other processing devices connected to a wireless modem.
  • the UE may communicate with one or more core network devices through a radio access network (RAN).
  • RAN radio access network
  • the UE can be a mobile terminal, such as a mobile phone (or called a "cellular" phone) and a computer with a mobile terminal.
  • the UE can also be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device, which exchanges languages with the RAN And/or data, for example, personal communication service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (personal digital assistants) , PDA) and other equipment.
  • PCS personal communication service
  • SIP Session Initiation Protocol
  • WLL wireless local loop
  • PDA personal digital assistants
  • the UE may also be referred to as a user agent (user agent) or UE.
  • the network device is a device deployed in the RAN to provide wireless communication functions for the UE.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with base station functions may be different.
  • a 5G base station gNB
  • 4G fourth-generation wireless communication
  • LTE long term evolution
  • eNB evolved base station
  • 3G base station
  • base station Node B
  • the network device after the network device configures the UE for the UE to send the reference signal resource (for example, the reference signal resource in the embodiment of the invention), the network device can instruct the UE to have a better signal quality in the resource according to the signal characteristics.
  • the reference signal is sent on the resource, so that the energy of the reference signal sent by the UE on each sub-resource can be increased, so that the quality of the reference signal sent by the UE can be improved, and the accuracy of channel estimation can be improved.
  • an embodiment of the present invention provides a method for sending a reference signal, and the method includes the following S201-S203.
  • the network device sends reference signal resource enabling signaling to the UE.
  • S202 The UE receives the enabling signaling of the reference signal resource.
  • the UE sends a reference signal on the enable sub-resource indicated by the enable signaling.
  • the network equipment can send the enabling signaling of the reference signal resource to the UE according to the channel characteristics, so that after the UE receives the enabling signaling, the UE can use the enabling signaling according to the enabling signaling.
  • the reference signal is sent on the enable sub-resource indicated by the signaling, so that the UE can only send the reference signal on the enable sub-resource indicated by the enable signaling, that is, the number of sub-resources for sending the reference signal can be reduced, and the UE can be increased.
  • the energy of the reference signal is sent on each enabled sub-resource, so that the quality of the reference signal sent by the UE can be improved.
  • the foregoing enabling sub-resource may be a resource in a reference signal resource.
  • the UE may not send reference signals on the non-enable sub-resources (resources in the reference signal resources) indicated by the enable signaling.
  • the above-mentioned reference signal may be an SRS.
  • the above-mentioned reference signal resource may be a resource configured by the network device to send a reference signal to the UE, that is, a resource originally used by the UE to send a reference signal.
  • the network device may send configuration signaling to the UE to configure reference signal resources for the UE.
  • the foregoing configuration signaling may be SRS configuration signaling.
  • the above-mentioned reference signal may be a periodic reference signal or a semi-persistent reference signal.
  • the examples in the following embodiments are all taking the reference signal as SRS and the configuration signaling as SRS configuration signaling as examples for exemplification. , which does not impose any limitation on this application.
  • the above-mentioned reference signal may also be any other possible signal
  • the above-mentioned configuration signaling may be any other possible configuration signaling, which can be specifically determined according to actual usage requirements, and is not limited in the embodiment of the present invention.
  • the UE may send the reference signal on the aforementioned enabling sub-resources in a different sequence.
  • the first possible implementation manner the UE sends the reference signal on the aforementioned enabling sub-resources according to the time domain sequence. That is, the enabling sequence can be a time domain sequence.
  • the second possible implementation manner the UE sends the reference signal on the enabling sub-resources in the order from low frequency to high frequency. That is, the enabling sequence can be from small to large in the frequency domain.
  • the third possible implementation manner the UE sends the reference signal on the enabling sub-resources in the order from high frequency to low frequency. That is, the enabling sequence can be from largest to smallest in the frequency domain.
  • the UE may send reference signals on the aforementioned enabling sub-resources in a different order, so that the order in which the UE sends the reference signals may be more flexible.
  • the foregoing enabling signaling may include two possible forms, namely form one and form two.
  • the two forms are exemplarily explained below.
  • Form 1 The above enabling signaling may be a bitmap (ie, bitmap).
  • one bit in the above bitmap may correspond to one sub-resource, and the sub-resource may be an enabled sub-resource or a non-enabled sub-resource.
  • the UE when the value of 1 bit in the above bitmap is "1", the UE can be instructed to enable the sub-resource corresponding to the bit (that is, the UE can transmit on the sub-resource).
  • Reference signal at this time, the sub-resource can be an enabled sub-resource; when the value of 1 bit in the above bitmap is "0", it can indicate that the UE is not enabled on the sub-resource corresponding to the bit (ie, UE
  • the reference signal may not be sent on the sub-resource), at this time the sub-resource may be a non-enabled sub-resource.
  • the sub-resource when the value of 1 bit in the above bitmap is "0", it can instruct the UE to enable on the sub-resource corresponding to the bit, that is, the sub-resource can be an enable sub-resource; when the value in the bitmap is When the value of 1 bit is "1", it can indicate that the UE is not enabled on the sub-resource corresponding to the bit, that is, the sub-resource may be a non-enabled sub-resource. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the sub-resource bandwidth (that is, the bandwidth of the aforementioned sub-resource) may be related to at least one of the following: the sub-band bandwidth (B_subband) and the expansion coefficient (beta, which may also be called sub-band) of the aforementioned reference signal. With expansion factor).
  • the subband bandwidth of the above-mentioned reference signal may be a single frequency hopping bandwidth (B_single);
  • the subband bandwidth of the reference signal may be the minimum bandwidth of the reference signal.
  • the foregoing single frequency hopping bandwidth can be obtained through configuration signaling of the reference signal.
  • the subband bandwidth of the reference signal may also be the minimum bandwidth of the reference signal. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the minimum bandwidth of the aforementioned reference signal may be 4 resource blocks (RB).
  • the minimum bandwidth of the aforementioned reference signal may also be any other possible value, which may be specifically determined according to actual use requirements, which is not limited in the embodiment of the present invention.
  • the foregoing single frequency hopping bandwidth may be obtained through configuration signaling of a reference signal.
  • the aforementioned expansion coefficient may be an integer greater than or equal to 1.
  • the expansion coefficient can be obtained through the configuration signaling of the reference signal.
  • the subband bandwidth of the above reference signal may be a value reported by a network device configuration, protocol agreement, or terminal. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the number of bits of the bitmap may be related to at least one of the following: the detection bandwidth (B_full) of the reference signal, the subband bandwidth of the reference signal, and the subband bandwidth of the reference signal.
  • B_full detection bandwidth
  • the total number of frequency hopping and spreading factor may be related to at least one of the following: the detection bandwidth (B_full) of the reference signal, the subband bandwidth of the reference signal, and the subband bandwidth of the reference signal.
  • the detection bandwidth of the reference signal may be a complete detection bandwidth configured by the network device to the UE. Wherein, the detection bandwidth of the reference signal can be obtained through configuration signaling of the reference signal.
  • the number of bits of the bitmap can be determined by at least one of the following: the detection bandwidth of the reference signal (ie B_full), the reference signal The subband bandwidth (B_subband) and expansion factor (beta) of the reference signal.
  • the number of bits of the above-mentioned bitmap (the length of the bitmap) may be determined by at least one of the following: the total number of frequency hopping (Y) of the reference signal, the expansion coefficient (beta).
  • the total frequency hopping times of the aforementioned reference signal may be the frequency hopping frequency in a unit of a single frequency hopping bandwidth to obtain a complete detection bandwidth (that is, the detection bandwidth of the reference signal).
  • the total number of frequency hopping can be B_full/B-single).
  • the above-mentioned total frequency hopping times can be obtained through the configuration signaling of the reference signal.
  • the above-mentioned total frequency hopping times may be different.
  • the total frequency hopping times can be the ratio of the number of symbols (Ns) occupied by the SRS resource to the number of repetitions (R) (ie ).
  • the SRS resource is a periodic resource or a semi-persistent resource
  • the total frequency hopping times can be obtained according to the parameters indicated by the SRS configuration signaling (also referred to as the parameters obtained by the UE), for example, the configuration parameter B SRS and the configuration parameter C SRS , Configuration parameters b hop , SRS bandwidth configuration table (SRS bandwidth configuration table), and frequency hopping formula ( At least one of N b' ) and the like.
  • the specific content of the foregoing SRS bandwidth configuration table may be the content shown in Table 1 below.
  • whether the SRS frequency hopping can be determined according to whether the SRS resource is configured for frequency hopping.
  • the condition of whether the SRS resource is configured for frequency hopping can be b hop ⁇ B SRS .
  • whether the aperiodic SRS resource is configured for frequency hopping can be based on the number of symbols occupied by the SRS resource in the SRS configuration instruction (Ns ) And the number of repetitions (R) are determined.
  • the configuration of SRS resources can include three possible situations, which can be respectively: SRS resources are not configured for frequency hopping (hereinafter referred to as case 1), and SRS resources are configured for frequency hopping. , But not configured to be repeated (hereinafter referred to as case 2), frequency hopping is configured in the SRS resource, and configured to be repeated (hereinafter referred to as case 3).
  • SRS resource is not configured for frequency hopping
  • all ports of the SRS resource can be mapped to the configured Ns symbols, and each The same physical resource block (PRB) set of the port on the Ns symbols occupies the same set of subcarriers (that is, the same frequency domain resources).
  • PRB physical resource block
  • the SRS resource is not configured for frequency hopping.
  • each port of the SRS resource in each slot and between slots, can be mapped to each OFDM symbol
  • the different subcarrier sets on the above, that is, the frequency domain resources on each OFDM symbol are different.
  • the number of frequency hopping groups can be equal to Ns/R, and the number of orthogonal frequency division multiplexing (OFDM) symbols in the frequency hopping group can be equal to one.
  • the SRS resource can be hopped according to the configuration parameter BSRS, the configuration parameter CSRS, the configuration parameter bhop, or the frequency hopping formula.
  • the comb values of different subcarrier sets are the same.
  • each of the SRS resources Ports are mapped to the same set of subcarriers in each frequency hopping group, and there are different sets of subcarriers between frequency hopping groups.
  • the number of frequency hopping groups is equal to Ns/R
  • the number of OFDM symbols in the frequency hopping group is equal to R
  • the number of frequency hopping groups represents the number of frequency hopping in the slot.
  • there is no frequency hopping within a group that is, different OFDM symbols in the frequency hopping group occupy the same frequency domain resources
  • frequency hopping between groups that is, different frequency domain resources are occupied between frequency hopping groups.
  • the SRS resource when configured with frequency hopping, if the SRS resource is aperiodic (within a bandwidth part (BWP), only intra-slot frequency hopping is supported), then:
  • the SRS resource may be an aperiodic SRS resource including 2 adjacent OFDM symbols, and intra-slot frequency hopping is supported.
  • the detection bandwidth of the SRS can be divided into two subbands of equal bandwidth, and the complete frequency hopping bandwidth can be detected on two OFDM symbols.
  • the SRS resource may be an aperiodic SRS resource including 4 adjacent OFDM symbols, and intra-slot frequency hopping is supported.
  • the detection bandwidth of the SRS is divided into 4 subbands of equal bandwidth, and the complete frequency hopping bandwidth is detected on 4 OFDM symbols.
  • the SRS resource may be an aperiodic SRS resource including 2 adjacent OFDM symbols, and does not hop frequency because it occupies the same frequency domain resources.
  • the SRS resource may be an aperiodic SRS resource including 4 adjacent OFDM symbols and supports intra-slot frequency hopping.
  • the detection bandwidth of the SRS is divided into two subbands with equal bandwidths, and the complete frequency hopping bandwidth is detected on the two frequency hopping groups.
  • the SRS resource may be an aperiodic SRS resource including 4 adjacent OFDM symbols without frequency hopping because it occupies the same frequency domain resources.
  • the SRS resource when configured with frequency hopping, if the SRS resource is a periodic resource/semi-persistent resource (in a BWP, intra-slot frequency hopping and inter-slot frequency hopping are supported), then:
  • the SRS resource can be an SRS resource including two adjacent symbol OFDM numbers, and supports intra-slot frequency hopping and inter-slot frequency hopping.
  • the frequency hopping on the SRS resource can be performed in units of 1 OFDM symbol.
  • the SRS resource may be an SRS resource including 4 adjacent OFDM symbols, and supports intra-slot frequency hopping and inter-slot frequency hopping.
  • the frequency hopping on the SRS resource can be performed in units of 1 OFDM symbol.
  • the SRS resources of 2 adjacent OFDM symbols support inter-slot frequency hopping.
  • each antenna port of the SRS resource is mapped to the same set of subcarriers, that is, the SRS resource occupies the same amount on different OFDM symbols in each slot. Frequency domain resources.
  • the SRS resource may be an SRS resource including 4 adjacent OFDM symbols, and supports intra-slot frequency hopping and inter-slot frequency hopping. Between two pairs of adjacent OFDM symbols of the SRS resource in each slot (that is, between frequency hopping groups), each antenna port of the SRS resource is mapped to a different set of subcarriers. In each pair of adjacent OFDM symbols of the SRS resource in each slot (that is, within the frequency hopping group), each antenna port of the SRS resource is mapped to the same set of subcarriers. For others, reference may be made to the related description of case three in the above-mentioned embodiment.
  • the SRS resource may be an SRS resource including 4 adjacent OFDM symbols and supports inter-slot frequency hopping.
  • each antenna port of the SRS resource is mapped to the same set of subcarriers, that is, the SRS resource occupies the same amount on different OFDM symbols in each slot.
  • Frequency domain resources are used to occupy the same symbol position (RS) in each slot.
  • one sub-resource when the reference signal is not frequency hopping, one sub-resource contains Ns OFDM symbols; in the case of reference signal frequency hopping, one sub-resource contains N OFDM symbols, where N Represents the number of symbols in the frequency hopping group.
  • the rectangle of the single frequency hopping bandwidth in Figure 3 above corresponds to a slot, and only one OFDM symbol in a slot is used to send SRS, and the symbol positions for sending SRS between multiple slots are the same (that is, different The symbol position of the slot sending SRS is the same).
  • one SRS can be sent on every two slots.
  • the rectangle of the single frequency hopping bandwidth in FIG. 4 corresponds to a slot, and only one OFDM symbol in a slot is used to send the SRS, and the symbol positions for sending the SRS are the same among multiple slots.
  • one SRS can be sent on every two slots.
  • the dashed boxes in the drawings of the examples in the embodiments of the present invention can all indicate the SRS that needs to be sent originally (that is, the SRS is sent on the resources corresponding to the dashed boxes originally configured by the network), but the network device is enabled to send the SRS. After the signaling, the UE no longer sends SRS on the resource corresponding to the dashed box.
  • the number of bits of the bitmap that is, the length of the bitmap
  • the number of bits of the bitmap that is, the length of the bitmap
  • rectangle of the single frequency hopping bandwidth in Figure 5 and Figure 6 above corresponds to a slot, and only one OFDM symbol in a slot is used to send the SRS, and the symbol position of the SRS is sent between multiple slots. same.
  • the rectangle of the single frequency hopping bandwidth in FIG. 7 corresponds to a slot, and there are only two OFDM symbols in a slot for sending SRS, and the symbol positions for sending SRS are the same among multiple slots.
  • Form 2 Enabling signaling is used to indicate at least one of the following: the bandwidth of part of the detection bandwidth; the bandwidth of the detection window; the start position of the part of the detection bandwidth; the end position of the part of the detection bandwidth; the part of the comb resource within the detection bandwidth Comb value; and, the offset value of the comb resource in a part of the detection bandwidth (may also be referred to as the comb offset value).
  • the aforementioned partial detection bandwidth is part or all of the detection bandwidth of the reference signal.
  • the enable signaling may be referred to as comb indicator signaling.
  • the enabling signaling may include first indication information and second indication information.
  • the first indication information can be used to indicate any of the following: the bandwidth of the partial detection bandwidth and the starting position of the partial detection bandwidth, the bandwidth of the detection window and the starting position of the partial detection bandwidth, the starting position of the partial detection bandwidth, and The end position of the partial detection bandwidth.
  • the second indication information may be used to indicate the comb value of the comb resource in the partial detection bandwidth and the offset value of the comb resource in the partial detection bandwidth.
  • the foregoing first indication information may be a signaling, such as reference signal part detection bandwidth signaling; the foregoing second indication information may also be a signaling, such as comb position signaling.
  • first indication information and second indication information may also be in any other possible forms. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the start position of the partial detection bandwidth, the end position of the partial detection bandwidth, or the detection window may be the start position relative to the configuration bandwidth of the reference signal or a complete detection bandwidth (ie, the reference signal Detection bandwidth).
  • the start position of a part of the detection bandwidth may be relative to the start position of the reference signal configuration bandwidth or the start position of a complete detection bandwidth; the end position of the part of the detection bandwidth may be relative to the start position of the reference signal configuration bandwidth Position or the starting position of a complete detection bandwidth; the detection window can be the starting position of the configuration bandwidth relative to the reference signal or the starting position of a complete detection bandwidth.
  • the starting position of the aforementioned reference signal configuration bandwidth may be subcarrier 0 in common resource block 0 (subcarrier 0 in common resource block 0), or may be the lowest subcarrier position of the bandwidth part (BWP) where it is located.
  • BWP bandwidth part
  • the aforementioned comb resource may include at least one enabling sub-resource.
  • the comb resource mentioned above is part of the detection bandwidth, with the bandwidth of the enable sub-resource as a unit, and every X (ie comb value) sub-resources includes an enable sub-resource, even if it can be used once.
  • every three sub-resources may include an enabling sub-resource.
  • the enabling sub-resource bandwidth (even if the bandwidth of the enabling sub-resource) may be related to at least one of the following: the sub-band bandwidth (B_subband) of the reference signal and the expansion coefficient (that is, the sub-band expansion coefficient) .
  • the reference signal is SRS as an example, and the above-mentioned form 2 (the enabling signaling is a comb-shaped indication mode) is exemplified.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is from small to large in frequency domain.
  • the start position of the SRS part of the detection bandwidth is relative to the start position of the SRS configuration bandwidth, and the start of the detection window
  • the starting position is relative to the starting position of the SRS configuration bandwidth, and the enabling sequence is from small to large in frequency domain.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is from small to large in frequency domain.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is from small to large in frequency domain.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence of the UE may be the time domain sequence.
  • the embodiment of the present invention provides a reference signal sending method. Since the UE can only send the reference signal on the enable sub-resource indicated by the enable signaling, the number of sub-resources for sending the reference signal can be reduced, and since the UE sends the reference signal The total energy of is constant. Therefore, when the number of sub-resources for sending reference signals decreases, the energy of the reference signal sent on each sub-resource can be increased, thereby improving the quality of the reference signal sent by the UE.
  • the reference signal sending method provided in the embodiment of the present invention may further include the following S204.
  • the UE sends other signals on the non-enable sub-resources indicated by the enable signaling.
  • the UE when the reference signal is sent in frequency hopping mode, the UE can send other signals on the non-enable sub-resources indicated by the enable signaling, which can increase the reference signal resources (that is, the network equipment configures the UE to the UE).
  • the utilization of resources can save resource overhead.
  • the reference signal sending method provided in the embodiment of the present invention may further include the following S205.
  • S205 The UE does not send any signal on the non-enable sub-resource indicated by the enable signaling.
  • the UE when the reference signal is sent in the frequency hopping mode, the UE may not send any signal on the non-enable sub-resource indicated by the enable signaling, that is, the UE only performs the enable signal indicated by the enable signaling.
  • the sub-resources send reference signals, which can improve the quality of UE sending reference signals.
  • the reference signal sending method provided in the embodiment of the present invention may further include the following S206.
  • the UE sends the reference signal on the enable sub-resource indicated by the enable signaling in advance according to the enable sequence of the sub-resources indicated by the enable signaling.
  • the UE when the reference signal is sent in the frequency hopping mode, the UE can send the reference on the enabling sub-resource indicated by the enabling signaling in turn according to the enabling sequence of the sub-resource indicated by the enabling signaling. Signal, this can reduce the speed at which the UE sends the reference signal, that is, it can speed up the speed at which the UE sends the reference signal.
  • the manner in which the UE sends the reference signal on the enable sub-resource indicated by the enable signaling in advance may include the following two manners, namely, manner one and manner two, respectively.
  • the two methods are specifically described below as examples.
  • the UE may sequentially send reference signals on the earliest available sub-resources in the time domain, where the available sub-resources may include enabled sub-resources and non-enabled sub-resources. resource.
  • the early transmission of the reference signal in the above manner 1 may be full early transmission.
  • the full advance transmission can mean that on a part of the detection bandwidth, the time domain frequency hopping resources of all enabled reference signals can occupy the time domain frequency hopping resources of the earliest available reference signal in the order in which the reference signal is enabled.
  • the time domain transmission resources of may include enabled frequency hopping resources and non-enabled frequency hopping resources.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is the time domain sequence. Then, when the UE sends the reference signal on the earliest available sub-resources (including the enabled sub-resources and the non-enabled sub-resources) in the earliest time domain among the sub-resources indicated by the enable signaling, the UE can send the reference signal as shown in Figure 18.
  • the reference signal is sent on the sub-resources shown in (b), so that the speed at which the UE sends the reference signal can be accelerated.
  • the UE may sequentially send the reference signal on the earliest available sub-resource in the time domain, where the available sub-resource only includes the non-enabled sub-resource.
  • the early transmission of the reference signal in the above manner 2 may be partial early transmission.
  • Partial advance transmission means that on part of the detection bandwidth, the time domain frequency hopping resources of all enabled reference signals occupy the earliest available reference signal time domain frequency hopping resources in the order of enabling, where the time domain frequency hopping resources of the reference signal Frequency resources include only non-enabled frequency hopping resources.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is the time domain sequence. Then, when the UE sends the reference signal on the earliest sub-resources (including only the non-enabled sub-resources) available in the earliest time domain among the sub-resources indicated by the enabling signaling, the UE can send the reference signal in (b) in Figure 19
  • the reference signal is sent on the sub-resource shown in) (the sub-resource filled in (b) in FIG. 19), which can speed up the UE sending the reference signal to a certain extent.
  • the start position of the SRS partial detection bandwidth is relative to the start position of a complete SRS detection bandwidth, and the enabling sequence is the time domain sequence.
  • the UE when the UE sends the reference signal on the earliest sub-resources (including only the non-enabled sub-resources) available in the earliest time domain among the sub-resources indicated by the enabling signaling, the UE can send the reference signal in (b) as shown in Figure 20.
  • the reference signal is sent on the sub-resource shown in) (the sub-resource filled in (b) in FIG. 20), so that the speed at which the UE sends the reference signal can be accelerated to a certain extent.
  • the foregoing S201 may be specifically implemented by the following S201a
  • the foregoing S202 may be implemented by the following S202a.
  • the network device passes at least one of radio resource control (radio resource control, RRC) signaling, medium access control (MAC) (control element, CE), and downlink control information (DCI)
  • RRC radio resource control
  • MAC medium access control
  • DCI downlink control information
  • enabling signaling may be carried on at least one of at least one of RRC signaling, MAC CE, and DCI.
  • S202a The UE receives enabling signaling through at least one of RRC signaling, MAC CE, and DCI.
  • the enabling signaling can take effect.
  • the network device may send another signaling to the UE, so that the enabling signaling can be activated through this signaling.
  • the network device can reactivate the enabling signaling through other methods (for example, sending MAC CE or DCI to the UE), so that the enabling signaling can be enabled.
  • the signaling takes effect.
  • the reference signal sending method provided by the present invention may also include the following S204.
  • the reference signal sending method provided by the present invention may also include the following The S205 described.
  • the above S201a can be specifically implemented by the following S201a1
  • the above S202a can be specifically implemented by the following S202a1.
  • the network device sends enabling signaling to the UE through RRC signaling.
  • the UE receives enabling signaling through RRC signaling.
  • the network device sends the MAC CE or DCI to the UE.
  • the above-mentioned MAC CE and the above-mentioned DCI can be used to activate the above-mentioned enabling signaling to take effect.
  • the UE activates the enabling information to take effect through the MAC CE or DCI.
  • the network device may first configure the above enabling signaling to the UE through RRC signaling, and then activate the enabling signaling to take effect through MAC CE or DCI. That is to say, after the network device configures the foregoing enabling signaling to the UE, the enabling signaling needs to be activated before the enabling signaling can take effect.
  • the network device may send the first indication information and the second indication information to the UE through at least one RRC signaling.
  • the second instruction information the network device may send at least one MAC CE and/or at least one DCI to the UE.
  • the foregoing at least one MAC CE and at least one DCI are used to activate the first indication information and the second indication information to take effect.
  • the UE may receive the first indication information and the second indication information through the foregoing at least one RRC signaling. And after receiving at least one MAC CE and/or at least one DCI sent by the network device, through the at least one MAC CE and/or at least one DCI, the first indication information and the second indication information are activated to take effect.
  • first indication information and second indication information may be carried in the same RRC signaling, or may be carried in different RRC signaling.
  • the details can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the above-mentioned first indication information and the second indication information may be activated through the same DCI or MAC CE, or through different DCI and/or MAC CE activation.
  • the details can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the enabling signaling may take effect through DCI activation.
  • the reference signal sending method provided by the present invention may also include the following S206.
  • the reference signal sending method provided by the present invention may also include the following The S207 mentioned.
  • the above S201a can be specifically implemented by the following S201a2
  • the above S202a can be specifically implemented by the following S202a2.
  • the network device sends enabling signaling to the UE through the MAC CE.
  • the UE receives the enable signaling through the MAC CE.
  • the network device sends DCI to the UE.
  • the aforementioned DCI can be used to activate the aforementioned enabling signaling to take effect.
  • S207 The UE activates the enabling information to take effect through the DCI.
  • the network device may first configure the aforementioned enabling signaling to the UE through the MAC CE, and then activate the enabling signaling to take effect through the DCI. That is to say, after the network device configures the foregoing enabling signaling to the UE, the enabling signaling needs to be activated before the enabling signaling can take effect.
  • the network device may send the first indication information and the second indication information to the UE through at least one MAC CE. 2. Instruction information. And after sending the first indication information and the second indication information to the UE, the network device may send at least one DCI to the UE. Wherein, the foregoing at least one DCI may be used to activate the first indication information and the second indication information to take effect.
  • the UE may receive the first indication information and the second indication information through the at least one MAC CE. And after receiving at least one DCI sent by the network device, the UE can activate the first indication information and the second indication information to take effect through the at least one DCI.
  • the above-mentioned first indication information and the second indication information may be carried in the same MAC CE, or may be carried in different MAC CEs.
  • the details can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • first indication information and the second indication information may be activated through the same DCI activation, or may be activated through different DCI activations.
  • the details can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • an embodiment of the present invention provides a UE 300.
  • the UE 300 may include a receiving module 301 and a sending module 302.
  • the receiving module 301 may be used to receive the enable signaling of the reference signal resource;
  • the transmitting module 302 may be used to transmit the reference signal on the enable sub-resource indicated by the enable signaling received by the receiving module 301.
  • the sending module 302 may also be used to, after the receiving module 301 receives the enable signaling of the reference signal resource, when the reference signal is sent in a frequency hopping manner, the enable signaling Other signals are sent on the indicated non-enabled sub-resources; or, no signal is sent on the non-enabled sub-resources.
  • the sending module 302 may also be used to, after the receiving module 301 receives the enabling signaling of the reference signal resource, in the case that the reference signal is sent in a frequency hopping manner, follow the enabling signaling
  • the enabling sequence of the indicated sub-resources is to send the reference signal on the enabling sub-resources indicated by the enabling signaling in advance.
  • the sending module 302 can be specifically used to send reference signals on the earliest available sub-resources in the time domain among the sub-resources indicated by the enable signaling.
  • the available sub-resources can be Including enabled sub-resources and non-enabled sub-resources; or, the sending module 302 may specifically send reference signals on the earliest available sub-resources in the time domain among the sub-resources indicated by the enable signaling, and the available sub-resources Resources include only non-enabled sub-resources.
  • the above enabling signaling may be a bitmap.
  • one bit in the above bitmap may correspond to one sub-resource, and the sub-resource may be an enabled sub-resource or a non-enabled sub-resource.
  • the foregoing sub-resource bandwidth may be related to at least one of the following: the sub-band bandwidth of the reference signal and the expansion coefficient.
  • the number of bits of the above-mentioned bitmap may be related to at least one of the following: the detection bandwidth of the reference signal, the subband bandwidth of the reference signal, the total frequency hopping times of the reference signal, and the spreading factor.
  • the above enabling signaling may be used to indicate at least one of the following: the bandwidth of a part of the detection bandwidth; the bandwidth of the detection window; the start position of the part of the detection bandwidth; the end position of the part of the detection bandwidth; The comb value of the comb resource in a part of the detection bandwidth; and the offset value of the comb resource in the part of the detection bandwidth.
  • the part of the detection bandwidth may be part or all of the detection bandwidth of the reference signal.
  • the start position of the partial detection bandwidth, the end position of the partial detection bandwidth, or the detection window is the start position of the configuration bandwidth relative to the reference signal or the start position of a complete detection bandwidth.
  • the aforementioned comb resource may include at least one enabling sub-resource.
  • the aforementioned enabling sub-resource bandwidth may be related to at least one of the following: the sub-band bandwidth of the reference signal and the expansion coefficient.
  • the subband bandwidth of the reference signal may be a single frequency hopping bandwidth.
  • the subband bandwidth of the reference signal may be the minimum bandwidth of the reference signal.
  • the subband bandwidth of the reference signal may be a network configuration, protocol agreement, or a value reported by the terminal.
  • the aforementioned expansion coefficient may be an integer greater than or equal to 1.
  • the foregoing enabling signaling may include first indication information and second indication information.
  • the first indication information can be used to indicate any of the following: the bandwidth and start position of the partial detection bandwidth, the bandwidth and start position of the detection window, the start position and the end position;
  • the second indication information can be used to indicate the comb State value and offset value.
  • the receiving module 301 may be specifically configured to receive enabling signaling through at least one of RRC signaling, MAC CE, and DCI.
  • the aforementioned UE 300 may further include an activation module 303.
  • the receiving module 301 may be specifically used to receive enabling signaling through RRC signaling; the activation module 303 may be used to activate the enabling signaling received by the receiving module 301 to take effect through MAC CE or DCI.
  • the receiving module 301 may be specifically configured to receive the first indication information and the first indication information through at least one RRC signaling.
  • the second indication information; the activation module 303 can be specifically used to activate the first indication information and the second indication information to take effect through at least one MAC CE and/or at least one DCI.
  • the receiving module 301 can be specifically used to receive the enabling signaling through MAC CE; the activation module 303 can also be used to activate the enabling signaling received by the receiving module 301 through DCI to take effect .
  • the receiving module 301 may be specifically configured to receive the first indication information and the first indication information through at least one MAC CE.
  • the activation module 303 can be specifically used to activate the first indication information and the second indication information to take effect through at least one DCI.
  • the above-mentioned reference signal may be a periodic reference signal or a semi-persistent reference signal.
  • the sending module 302 may be specifically configured to send reference signals on the enable sub-resources in a time domain sequence.
  • the sending module 302 can be specifically used to send reference signals on the enabling sub-resources in the order from low frequency to high frequency; or, the sending module 302 can be specifically used to send reference signals according to the high frequency. From frequency to low frequency, the reference signal is sent on the enable sub-resource.
  • the UE provided in the embodiment of the present invention can implement the various processes performed by the UE in the foregoing reference signal sending method embodiment, and can achieve the same technical effect. To avoid repetition, details are not described herein again.
  • the embodiment of the present invention provides a UE. Since the UE can only send reference signals on the enable sub-resources indicated by the enable signaling, the number of sub-resources for sending reference signals can be reduced, and the total energy of the UE for sending reference signals is It is certain. Therefore, when the number of sub-resources for sending reference signals is reduced, the energy of the reference signal sent on each sub-resource can be increased, so that the quality of the reference signal sent by the UE can be improved.
  • an embodiment of the present invention provides a network device 400.
  • the network device 400 may include a sending unit 401.
  • the sending unit 401 may be used to send reference signal resource enabling signaling to the UE, and the enabling signaling is used to instruct the UE to send the reference signal on the enabling sub-resource.
  • the above enabling signaling may be a bitmap.
  • one bit in the above bitmap corresponds to one sub-resource
  • the sub-resource may be an enabled sub-resource or a non-enabled sub-resource.
  • the foregoing sub-resource bandwidth may be related to at least one of the following: the sub-band bandwidth of the reference signal and the expansion coefficient.
  • the number of bits of the above-mentioned bitmap may be related to at least one of the following: the detection bandwidth of the reference signal, the subband bandwidth of the reference signal, the total number of frequency hopping of the reference signal, and the spreading factor.
  • the above enabling signaling may be used to indicate at least one of the following: the bandwidth of a part of the detection bandwidth; the bandwidth of the detection window; the start position of the part of the detection bandwidth; the end position of the part of the detection bandwidth; The comb value of the comb resource in a part of the detection bandwidth; and the offset value of the comb resource in the part of the detection bandwidth.
  • the part of the detection bandwidth may be part or all of the detection bandwidth of the reference signal.
  • the start position of the partial detection bandwidth, the end position of the partial detection bandwidth, or the detection window is the start position of the configuration bandwidth relative to the reference signal or the start position of a complete detection bandwidth.
  • the aforementioned comb resource may include at least one enabling sub-resource.
  • the aforementioned enabling sub-resource bandwidth may be related to at least one of the following: the sub-band bandwidth of the reference signal and the expansion coefficient.
  • the subband bandwidth of the reference signal may be a single frequency hopping bandwidth.
  • the subband bandwidth of the reference signal may be the minimum bandwidth of the reference signal.
  • the subband bandwidth of the reference signal may be a network configuration, protocol agreement, or a value reported by the terminal.
  • the aforementioned expansion coefficient may be an integer greater than or equal to 1.
  • the foregoing enabling signaling may include first indication information and second indication information.
  • the first indication information can be used to indicate any of the following: the bandwidth of the partial detection bandwidth and the starting position of the partial detection bandwidth, the bandwidth of the detection window and the starting position of the partial detection bandwidth, the starting position of the partial detection bandwidth, and The end position of the partial detection bandwidth; the second indication information may be used to indicate the comb value of the comb resource in the partial detection bandwidth and the offset value of the comb resource in the partial detection bandwidth.
  • the sending unit 401 is specifically configured to send enabling signaling to the UE through at least one of RRC signaling, MAC CE, and DCI.
  • the sending unit 401 is specifically configured to send enabling signaling to the UE through RRC signaling; the sending unit 401 is also configured to send the enabling signaling to the UE after sending the enabling signaling to the UE.
  • MAC CE or DCI, MAC CE or DCI can be used to activate the enabling signaling to take effect.
  • the sending unit 401 when the enabling signaling includes the first indication information and the second indication information, is specifically configured to send the first indication information to the UE through at least one RRC signaling And second indication information, and send at least one MAC CE and/or at least one DCI to the UE.
  • at least one MAC CE and at least one DCI can be used to activate the first indication information and the second indication information to take effect.
  • the sending unit 401 is specifically configured to send enabling signaling to the UE through MAC CE; the sending unit 401 is also configured to send DCI to the UE after sending the enabling signaling to the UE , DCI can be used to activate the enable signaling to take effect.
  • the sending module 401 when the enabling signaling includes the first indication information and the second indication information, is specifically configured to send the first indication information and the first indication information to the UE through at least one MAC CE. Second indication information; and send at least one DCI to the UE. Wherein, at least one DCI may be used to activate the first indication information and the second indication information to take effect.
  • the above-mentioned reference signal may be a periodic reference signal or a semi-persistent reference signal.
  • the network device provided by the embodiment of the present invention can implement the various processes performed by the network device in the foregoing reference signal sending method embodiment, and can achieve the same technical effect. In order to avoid repetition, details are not described herein again.
  • the embodiment of the present invention provides a network device. Since the network device can send enable signaling to the UE to instruct the UE to send reference signals only on the enable sub-resources indicated by the network device enable signaling, the sending of reference signals can be reduced. Since the total energy of the reference signal sent by the UE is certain, when the number of sub-resources for sending the reference signal decreases, the energy of the reference signal sent on each sub-resource can be increased, thereby increasing the UE sending The quality of the reference signal.
  • FIG. 23 is a schematic diagram of hardware of a UE for implementing various embodiments of the present invention.
  • UE 100 includes but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processing The device 110, and the power supply 111 and other components.
  • the UE structure shown in FIG. 23 does not constitute a limitation on the UE, and the UE may include more or less components than shown in the figure, or combine certain components, or arrange different components.
  • the UE includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, and a pedometer.
  • the radio frequency unit 101 can receive the enable signaling of the reference signal resource; and send the reference signal on the enable sub-resource indicated by the enable signaling.
  • both the receiving module 301 and the sending module 302 in the above-mentioned UE structural diagram can be implemented by the above-mentioned radio frequency unit 101.
  • the activation module 303 in the above-mentioned structural schematic diagram of the UE may be implemented by the above-mentioned processor 110.
  • the embodiment of the present invention provides a UE. Since the UE can only send reference signals on the enable sub-resources indicated by the enable signaling, the number of sub-resources for sending reference signals can be reduced, and the total energy of the UE for sending reference signals is It is certain. Therefore, when the number of sub-resources for sending reference signals is reduced, the energy of the reference signal sent on each sub-resource can be increased, so that the quality of the reference signal sent by the UE can be improved.
  • the radio frequency unit 101 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 110; in addition, Uplink data is sent to the base station.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with the network and other devices through a wireless communication system.
  • the UE 100 provides users with wireless broadband Internet access through the network module 102, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 103 can convert the audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output it as sound. Moreover, the audio output unit 103 may also provide audio output related to a specific function performed by the UE 100 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 104 is used to receive audio or video signals.
  • the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042.
  • the graphics processing unit 1041 is used to capture images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame can be displayed on the display unit 106.
  • the image frame processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the network module 102.
  • the microphone 1042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in the case of a telephone call mode.
  • the UE 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light.
  • the proximity sensor can turn off the display panel 1061 and/or when the UE 100 moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the UE 100 posture (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 105 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
  • the display unit 106 is used to display information input by the user or information provided to the user.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 107 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the UE 100.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 1071 or near the touch panel 1071. operate).
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 110, the command sent by the processor 110 is received and executed.
  • the touch panel 1071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 107 may also include other input devices 1072.
  • other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 1071 can be overlaid on the display panel 1061.
  • the touch panel 1071 detects a touch operation on or near it, it transmits it to the processor 110 to determine the type of the touch event, and then the processor 110 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 1061.
  • the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the UE 100, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated
  • the implementation of the input and output functions of the UE 100 is not specifically limited here.
  • the interface unit 108 is an interface for connecting an external device with the UE 100.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 108 may be used to receive input from an external device (for example, data information, power, etc.) and transmit the received input to one or more elements in the UE 100 or may be used to communicate between the UE 100 and the external device. Transfer data between.
  • the memory 109 can be used to store software programs and various data.
  • the memory 109 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 110 is the control center of the UE 100. It uses various interfaces and lines to connect the various parts of the entire UE 100, runs or executes software programs and/or modules stored in the memory 109, and calls data stored in the memory 109 , To perform various functions of the UE 100 and process data, so as to monitor the UE 100 as a whole.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110.
  • the UE 100 may also include a power source 111 (such as a battery) for supplying power to various components.
  • a power source 111 such as a battery
  • the power source 111 may be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the UE 100 includes some functional modules that are not shown, which will not be repeated here.
  • UE 100 may be UE02 in the communication system shown in FIG. 1 in the foregoing embodiment.
  • an embodiment of the present invention further provides a UE, including a processor 110 as shown in FIG. 23, a memory 109, a computer program stored in the memory 109 and running on the processor 110, and the computer program is processed
  • a UE including a processor 110 as shown in FIG. 23, a memory 109, a computer program stored in the memory 109 and running on the processor 110, and the computer program is processed
  • the various processes of the foregoing reference signal sending method embodiments are implemented, and the same technical effects can be achieved. To avoid repetition, details are not described herein again.
  • FIG. 24 is a schematic diagram of hardware of a network device provided by an embodiment of the present invention.
  • the network device 500 may include: one or more processors 501, a memory 502, and a transceiver 503.
  • the transceiver 503 may send the enabling signaling of the reference signal resource to the UE, and the enabling signaling is used to instruct the UE to send the reference signal on the enabling sub-resource.
  • one processor 501 of the two processors 501 in FIG. 24 is represented by a dotted line to indicate that the number of processors 501 in the network device 500 may be one or more.
  • the network device 500 includes two processors 501 as an example for illustration.
  • the sending unit in the above-mentioned schematic structural diagram of the network device may be implemented by the above-mentioned processor 501.
  • the embodiment of the present invention provides a network device. Since the network device can send enable signaling to the UE to instruct the UE to send reference signals only on the enable sub-resources indicated by the network device enable signaling, the sending of reference signals can be reduced. Since the total energy of the reference signal sent by the UE is certain, when the number of sub-resources for sending the reference signal decreases, the energy of the reference signal sent on each sub-resource can be increased, thereby increasing the UE sending The quality of the reference signal.
  • one or more processors 501, memory 502, and communication interface 503 may be connected to each other.
  • one or more processors 501 may be a baseband processing unit (building baseband unit, BBU), and may also be referred to as an indoor baseband processing unit;
  • the transceiver 503 may be a remote radio unit (RRU), also It can be called a remote control transmitter unit.
  • the network device 500 may also include some functional modules not shown, which will not be repeated here.
  • the network device 500 may be the network device 01 in the communication system shown in FIG. 1 in the foregoing embodiment.
  • an embodiment of the present invention further provides a network device, including the processor 501 shown in FIG. 24, a memory 502, a computer program stored in the memory 502 and running on the processor 501, and the computer program is processed
  • a network device including the processor 501 shown in FIG. 24, a memory 502, a computer program stored in the memory 502 and running on the processor 501, and the computer program is processed
  • the device 501 is executed, each process of the foregoing reference signal sending method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not described herein again.
  • the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is executed by the processor 110 as shown in FIG. 23 or the processor 501 as shown in FIG.
  • the computer-readable storage medium may include read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make an electronic device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a storage medium such as ROM/RAM, magnetic disk,
  • the optical disc includes several instructions to make an electronic device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un procédé, un dispositif et un système d'envoi de signal de référence, se rapportant au domaine technique de la communication, et utilisés pour résoudre le problème de la mauvaise qualité de signal de SRS envoyé par des UE existants . Le procédé consiste à : recevoir une commande d'activation pour des ressources de signal de référence ; et envoyer un signal de référence en activant des sous-ressources indiquées par la commande d'activation. Le présent procédé est utilisé dans le scénario d'un UE envoyant un signal de référence.
PCT/CN2021/072915 2020-01-22 2021-01-20 Procédé, dispositif, et système d'envoi de signal de référence WO2021147918A1 (fr)

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