WO2014007576A1 - Procédé et dispositif de communication permettant de prendre en charge une pluralité de modes basiques de largeurs de bande dans un système lan sans fil qui prend en charge de multiples largeurs de bande - Google Patents

Procédé et dispositif de communication permettant de prendre en charge une pluralité de modes basiques de largeurs de bande dans un système lan sans fil qui prend en charge de multiples largeurs de bande Download PDF

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Publication number
WO2014007576A1
WO2014007576A1 PCT/KR2013/005996 KR2013005996W WO2014007576A1 WO 2014007576 A1 WO2014007576 A1 WO 2014007576A1 KR 2013005996 W KR2013005996 W KR 2013005996W WO 2014007576 A1 WO2014007576 A1 WO 2014007576A1
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bandwidth
frame
time interval
mhz
transmission
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PCT/KR2013/005996
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English (en)
Korean (ko)
Inventor
유희정
정민호
이재승
권형진
이석규
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한국전자통신연구원
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Priority to US14/412,668 priority Critical patent/US20150156771A1/en
Priority claimed from KR1020130078797A external-priority patent/KR102062890B1/ko
Publication of WO2014007576A1 publication Critical patent/WO2014007576A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth

Definitions

  • Described below is a communication method and apparatus for supporting a plurality of basic bandwidth modes in a WLAN system supporting multiple bandwidths.
  • the first direction is a technology to further increase the transmission speed, there is a WLAN technology using a 60GHz band and a WLAN technology using a 5GHz band.
  • the second technology is a wide area WLAN technology that utilizes a frequency band of less than 1 GHz to increase coverage than the existing WLAN technology.
  • the third direction is a technique for reducing the link setup time of the WLAN system.
  • the wide area wireless LAN technology may support multi bandwidth.
  • a wireless communication system supporting multiple bandwidths it is required to support a plurality of basic bandwidth modes that can cover the entire communication radius of an access point (AP).
  • AP access point
  • an AP supports a method of supporting terminals having various bandwidths.
  • an access point (AP) of a network that supports a first bandwidth and a second bandwidth that is twice the size of the first bandwidth may determine an operation state of the network. Allocating a first time period in which only frame transmission of the first bandwidth or more is allowed, and allocating a second time period in which only frame transmission of the second bandwidth or more is allowed, based on the network operating situation. It includes.
  • a communication method of a station may include at least one of the first bandwidth from an access point (AP) of a network supporting a first bandwidth and a second bandwidth that is twice the first bandwidth. Allocating a first time interval is allowed only frame transmission, Transmitting the frame using the first bandwidth in the first time interval, and A second allowed only the frame transmission of the second bandwidth or more from the AP Allocating a time interval and transmitting a frame using the second bandwidth in the second time interval.
  • AP access point
  • the frame transmitted in the first time interval is a first basic frame using the first bandwidth or a duplication mode frame generated based on the first basic frame.
  • the frame transmitted in the second time interval is a second basic frame using the second bandwidth or a duplication mode frame generated based on the second basic frame.
  • An access point of a WLAN system may include a network manager that checks an operation state of a network supporting a first bandwidth and a second bandwidth that is twice the first bandwidth, and based on the network operation state. And a bandwidth mode controller for allocating a first time interval in which only frame transmission of the first bandwidth or more is allowed and allocating a second time interval in which only frame transmission of the second bandwidth or more is allowed. It includes a transmission unit for transmitting a frame for notifying the allocation of the interval.
  • a station of a WLAN system may include a control frame for allocation of a first time interval in which only frame transmission of a first bandwidth or more is allowed from an access point (AP) and twice the size of the first bandwidth.
  • a receiving unit for receiving a control frame for allocating a second time interval in which only frame transmission of a second bandwidth or more is allowed, and transmitting the frame using the first bandwidth in the first time interval, and transmitting the frame in the second time interval.
  • a controller configured to transmit a frame using a second bandwidth, and a controller configured to control an operation mode of the transmitter based on the control frame.
  • Embodiments of the present invention can efficiently support multiple bandwidths in a WLAN system in which a plurality of basic bandwidths exist and communication distances are different for each of the plurality of basic bandwidths.
  • embodiments of the present invention may support various types of network operations using 1 MHz bandwidth beacons and 2 MHz bandwidth beacons.
  • FIG. 1 is a diagram for describing multiple bandwidths of a wide area wireless LAN system.
  • FIG. 2 is an exemplary diagram for describing a network operating status of a wireless LAN system according to an embodiment.
  • FIG. 3 is a flowchart illustrating a communication method of an AP in a WLAN system according to an embodiment.
  • 4 through 8 illustrate various methods for allocating a plurality of basic bandwidths.
  • FIG. 9 is a flowchart illustrating a communication method of a station of a WLAN system according to an embodiment.
  • FIG. 10 is a diagram illustrating a configuration of an AP of a WLAN system according to an embodiment.
  • FIG. 11 is a diagram illustrating a configuration of a station of a WLAN system according to an embodiment.
  • FIG. 12 illustrates a frame structure of a first bandwidth of multiple bandwidths of a wide area wireless LAN system.
  • FIG. 13 is a diagram illustrating a frame structure of a second bandwidth among multiple bandwidths of a wide area wireless LAN system.
  • FIG. 14 is a diagram illustrating an example configuration of a duplication mode frame according to an embodiment.
  • 15 is a diagram for explaining an example of a configuration of a duplication mode frame according to another embodiment.
  • FIG. 1 is a diagram for describing multiple bandwidths of a wide area wireless LAN system.
  • a wide area WLAN system may support multiple bandwidths.
  • the multiple bandwidths can include a first bandwidth having the lowest signal-to-noise ratio and a second bandwidth that is twice the first bandwidth.
  • the value of the first bandwidth may be 1 MHz.
  • the multi-bandwidth may include a 1 MHz bandwidth 110, a 2 MHz bandwidth 120, a 4 MHz bandwidth 130, an 8 MHz bandwidth 140, and a 16 MHz bandwidth 150.
  • the frequency band of the wide area wireless LAN system may be 1 GHz or less.
  • multiple bandwidths include 1 MHz, 2 MHz, 4 MHz, 8 MHz, and 16 MHz.
  • the lower frequency limit value 161 of FIG. 1 may be a value between 700 and 920 [MHz]
  • the upper frequency limit value 163 may be a value between 750 and 930 [MHz].
  • the 1 MHz bandwidth 110 may be allocated over an entire channel, and the remaining bandwidths 120, 130, 140, and 150 may be allocated only to a partial interval of the entire channel.
  • the 16 MHz bandwidth 150 may be allocated between the frequency upper limit value 163 at 165 of FIG. 1.
  • 8 MHz is allocated to the 2 MHz bandwidth 120
  • 4 channels are allocated to the 4 MHz bandwidth 130
  • 2 channels are allocated to the 8 MHz bandwidth 140.
  • the channel assignment shown in FIG. 1 is exemplary, and the number and frequency bands of the channels can be configured in various ways.
  • a transmission mode having a bandwidth value of 1 MHz (110) will be referred to as a 1 MHz mode
  • a transmission mode having a bandwidth value of 2 MHz (120) will be referred to as a 2 MHz mode.
  • the 1MHz mode is a transmission mode having 32 subcarriers while maintaining an Orthogonal Frequency Division Multiplexing (OFDM) symbol structure.
  • OFDM Orthogonal Frequency Division Multiplexing
  • terminals should be able to receive both a signal transmitted in a 1 MHz mode and a signal transmitted in a 2 MHz mode.
  • a frame structure for dynamic bandwidth allocation is disclosed.
  • the packet structure of the WLAN technology using the 5GHz band is difficult to be applied to a wide area WLAN system using a frequency band of less than 1GHz. Therefore, a frame structure suitable for a frequency band of less than 1 GHz is required.
  • BSS Basic Service Set
  • FIG. 2 is an exemplary diagram for describing a network operating status of a wireless LAN system according to an embodiment.
  • FIG. 2 an example of a beacon reception situation of STAs (stations or terminals) according to distances is shown on the assumption that the AP 210 transmits a 1 MHz bandwidth beacon frame and a 2 MHz beacon frame.
  • the communication coverage of the AP 210 is divided into a first region 220 that can receive both a beacon frame having a 1 MHz bandwidth and a beacon frame having a 2 MHz bandwidth, and a second region 230 that can only receive a beacon frame having a 1 MHz bandwidth. Can be.
  • the stations 221, 223, and 225 in the first region 220 may receive both a 1 MHz bandwidth beacon frame and a 2 MHz bandwidth beacon frame.
  • the stations 231, 233, 235, and 237 in the second region 230 may receive only a beacon frame having a 1 MHz bandwidth.
  • the AP 210 uses only a beacon of 2MHz bandwidth, there is a disadvantage in that the coverage of the AP is reduced, but there is an advantage that the overall network efficiency is increased.
  • the AP operates the network while transmitting only the beacon frame having only 1 MHz bandwidth (210)
  • an overall capacity shortage problem may occur. Therefore, it is necessary to adjust the bandwidth of the beacon frame according to the network situation.
  • FIG. 3 is a flowchart illustrating a communication method of an AP in a WLAN system according to an embodiment.
  • the AP checks the network operation status.
  • the network operating situation may be a distribution status of the stations shown in FIG. 2.
  • the network is a WLAN that supports a first bandwidth and a second bandwidth twice the size of the first bandwidth.
  • step 320 the AP allocates a first time interval in which only frame transmission of the first bandwidth or more is allowed based on a network operating situation.
  • step 330 the AP allocates a second time interval in which only frame transmission of two bandwidths or more is allowed.
  • 4 through 8 illustrate various methods for allocating a plurality of basic bandwidths.
  • the allocating of the first time interval may include: limiting channel accesses of stations transmitting the frame having the second bandwidth or more using the second bandwidth frame; It may include the step of notifying the start of the first time interval using one bandwidth frame.
  • the allocating of the second time interval may include notifying the end of the first time interval using the first bandwidth frame and using the second bandwidth frame. It may include a process of notifying the beginning of the.
  • frame transmission of 1 MHz bandwidth may be limited in a bandwidth transmission time 411 of 2 MHz or more. If a network allocation vector (NAV) is set for frame transmission of 1 MHz bandwidth, the station cannot transmit a frame of 1 MHz bandwidth.
  • NAV network allocation vector
  • a CTS (Clear To Send) -to-self frame 413 may be transmitted in a 2 MHz bandwidth to prevent channel access of UEs performing bandwidth transmission of 2 MHz or more. If NAV is set for frame transmission of 2 MHz bandwidth, the station cannot transmit a frame of 2 MHz bandwidth.
  • the NAV for the frame transmission of the 1 MHz bandwidth is reset by the CF (Contention Free) -end frame 415 transmitted in the 1 MHz bandwidth, and a first time interval 421 capable of transmitting only the 1 MHz bandwidth frame may be started.
  • CF Contention Free
  • the AP may prevent frame transmission of the terminal transmitting the 1 MHz band in the CTS-to-self frame 431 having the 1 MHz bandwidth to terminate the 1 MHz bandwidth transmission.
  • the AP may allocate a second time interval for transmitting a 2 MHz or more bandwidth frame to the CF-end frame 433 having a 2 MHz bandwidth.
  • the first time interval 540 next to the first beacon frame 530 may be generated using the first beacon frame 530 of the first bandwidth. It may include allocating in one time interval.
  • the second time intervals 520 and 560 after the second beacon frames 510 and 550 may be used using the second beacon frames 510 and 550 of the second bandwidth. It may include assigning to the second time interval.
  • the frame transmitted in the first time interval may be a first basic frame using the first bandwidth or a duplication mode frame generated based on the first basic frame.
  • the frame transmitted in the second time interval may be a second basic frame using the second bandwidth or a duplication mode frame generated based on the second basic frame.
  • the duplication mode frame is described in detail with reference to FIGS. 12 to 15.
  • the AP allocates a time interval 520 capable of only transmitting frames of 2MHz bandwidth or more from 2MHz bandwidth beacon frame 510 to the next beacon frame 530, and then 1MHz after 1MHz bandwidth beacon frame 530.
  • a time interval 540 capable of transmitting all bandwidth frames, including a, may be allocated.
  • the first time interval is transmitted between transmission intervals of a full beacon frame including all control information, “a short beacon using the first bandwidth. ) Frame ".
  • the second time period may be allocated by a "short beacon frame using the second bandwidth" transmitted between transmission intervals of a full beacon frame.
  • 610 of FIG. 6 may be a full beacon transmitted in a 1 MHz bandwidth
  • 620 may be a full beacon transmitted in a 2 MHz bandwidth.
  • Short beacon means a beacon consisting of only a part of the information of the full beacon frame.
  • the short beacon frame 614 may be transmitted in a 1 MHz bandwidth and the short beacon frames 612, 616, 622, 624, 626 may be transmitted in a 2 MHz bandwidth.
  • 611 and 615 indicate time intervals in which only duplication mode transmission generated based on 1 MHz bandwidth frame or 1 MHz bandwidth frame is allowed.
  • the time intervals 613, 617, 621, 623, 625, and 627 indicate a time interval in which only duplication mode transmission generated based on a 2 MHz bandwidth frame or a 2 MHz bandwidth frame is allowed.
  • FIG. 7 shows a form in which full beacons are always transmitted in a 1 MHz bandwidth on the premise that all terminals should receive a full beacon.
  • the network may be configured to transmit 1 MHz short beacon frames 714 and 722 or 2 MHz short beacon frames 712, 716, 724 and 726 after the 1 MHz full beacon frames 710 and 720.
  • the time interval following the beacon frame may set the transmission constraint as shown in FIG.
  • time intervals 715, 721, and 723 that allow only duplication mode transmission generated based on 1 MHz bandwidth frame or 1 MHz bandwidth frame may be allocated.
  • time intervals 711, 713, 717, 725, and 727 that allow only duplication mode transmission generated based on a 2 MHz bandwidth frame or a 2 MHz bandwidth frame may be allocated.
  • full beacon frames 610, 620, 710, 720 are transmitted using the first bandwidth or the second bandwidth, and the full beacon frames 610, 620, 710, Next time intervals 611, 621, 711, and 721 of 720 may be allocated the first time interval or the second time interval.
  • the method illustrated in FIG. 3 may include a first RAW (RAW) including information about the first time interval and a second RAW including information about the second time interval.
  • the method may further include transmitting a beacon frame to the network.
  • RAW RAW
  • RAW refers to a concept of distinguishing terminals capable of using a channel at a predetermined time.
  • the AP may separately allocate 2 MHz or more bandwidth transmission sections 811 and 821 and 1 MHz or more frame transmission sections 813 and 823 using RAW.
  • the beacon frame including the first RAW and the second RAW is transmitted using a longer transmission distance of the first bandwidth and the second bandwidth.
  • first RAW and the second RAW may be allocated in more detail.
  • beacons 810 and 820 transmitted using 1 MHz bandwidth may include start and end times of bandwidth transmission of 2 MHz or more.
  • the beacons 810 and 820 may include information about a start time and an end time in which only duplication mode transmission generated based on a 1 MHz bandwidth frame or a 1 MHz bandwidth frame is allowed.
  • FIG. 9 is a flowchart illustrating a communication method of a station of a WLAN system according to an embodiment.
  • the station is allocated a first time interval in which only frame transmission of the first bandwidth or more is allowed from an access point (AP).
  • AP access point
  • the station transmits a frame using the first bandwidth in the first time interval.
  • the frame transmitted in the first time interval is a first basic frame using the first bandwidth or a duplication mode frame generated based on the first basic frame.
  • step 930 the station is allocated a second time interval in which only frame transmission of the second bandwidth or more is allowed from the AP.
  • the station transmits a frame using the second bandwidth in the second time interval.
  • the frame transmitted in the second time interval is a second basic frame using the second bandwidth or a duplication mode frame generated based on the second basic frame.
  • FIG. 10 is a diagram illustrating a configuration of an AP of a WLAN system according to an embodiment.
  • the AP 1000 illustrated in FIG. 19 may perform the method illustrated in FIG. 3 and may allocate the time intervals illustrated in FIGS. 4 to 8.
  • the AP 1000 includes a network manager 1010, a bandwidth mode controller 1020, and a transmitter 1030.
  • the network manager 1010 checks the operation of the network that supports the first bandwidth and the second bandwidth that is twice the first bandwidth.
  • the network operating situation may be information previously stored in the AP 1000.
  • the bandwidth mode controller 1020 allocates a first time interval in which only frame transmission of the first bandwidth or more is allowed, and allocates a second time period in which only frame transmission of the second bandwidth or more is allowed, based on the network operating situation. .
  • the transmitter 1030 transmits a frame for notifying allocation of the first time interval and the second time interval.
  • FIG. 11 is a diagram illustrating a configuration of a station of a WLAN system according to an embodiment.
  • the station 1100 may receive a beacon frame from the AP and use a 1 MHz bandwidth or a 2 MHz bandwidth according to the time intervals shown in FIGS. 4 to 8.
  • the station 1100 includes a receiver 1110, a transmitter 1120, and a controller 1130.
  • the receiver 1110 may transmit only a control frame for allocating a first time interval in which only transmission of a frame equal to or greater than a first bandwidth is allowed from an access point (AP) and a frame transmission equal to or greater than a second bandwidth equal to twice the first bandwidth. Receive a control frame for allocation of the allowed second time period.
  • AP access point
  • the transmitter 1120 transmits a frame using the first bandwidth in the first time interval, and transmits a frame using the second bandwidth in the second time interval.
  • the controller 1130 controls the operation mode of the transmitter 1120 based on the control frame. For example, after receiving the CF-end frame 415 shown in FIG. 4, the controller 1130 may control the transmitter 1120 to use a basic bandwidth of only 1 MHz.
  • Using only 1 MHz of base bandwidth means that only duplication mode transmission based on 1 MHz bandwidth frame or 1 MHz bandwidth frame is allowed.
  • FIG. 12 illustrates a frame structure of a first bandwidth of multiple bandwidths of a wide area wireless LAN system.
  • FIG. 13 is a diagram illustrating a frame structure of a second bandwidth among multiple bandwidths of a wide area wireless LAN system.
  • the first bandwidth may be 1 MHz
  • the second bandwidth may be 2 MHz.
  • a 1 MHz mode frame includes a short training field (STF) 1210, a long training field (LTF) 1220, and a repetition coded SIG field ( 1230).
  • STF short training field
  • LTF long training field
  • SIG repetition coded SIG field
  • the SIG field 1310 of the 2 MHz mode frame contains a total of 48 bits of information including 9 bits of length information, 4 bits of Modulation and Coding Scheme (MCS) information, and 2 bits of bandwidth information.
  • the SIG field 1230 of the 1 MHz mode frame has 36 bits of information as a structure in which information on bandwidth is omitted.
  • FIG. 14 is a diagram illustrating an example configuration of a duplication mode frame according to an embodiment.
  • Figure 14 (a) shows a 4MHz duplication mode frame.
  • the 4 MHz duplication mode frame may include a base frame 1410 and a duplication frame 1420 that is 90 degrees out of phase with the base frame 1410.
  • the same frame is shifted by 90 ° with respect to a DC tone and transmitted through two bands.
  • the process of transmitting the duplication mode frame may include transmitting the base frame through the first band and simultaneously transmitting the duplication frame through the second band.
  • the receiving end receiving the duplication mode frame may perform demodulation even when receiving only a frame received in one of the first band and the second band.
  • the base frame 1410 may have the same structure as the 2 MHz mode frame shown in FIG. 4. Accordingly, the basic frame 1410 may include a short training field (STF), a long training field (LTF), and a SIG field.
  • STF short training field
  • LTF long training field
  • SIG SIG field
  • 14B illustrates an 8 MHz duplication mode frame.
  • the 8 MHz duplication mode frame may include a base frame 1410 and three duplication frames 1430 that are 180 degrees out of phase with the base frame 1410.
  • Four frames included in the 8 MHz duplication mode frame may be simultaneously transmitted through four different bands.
  • the receiving end receiving the duplication mode frame may perform demodulation or detection even when receiving only one frame among the frames transmitted through four different bands.
  • the 16 MHz duplication mode frame has a structure in which an 8 MHz duplication mode frame is repeated twice on the frequency axis.
  • the duplication mode frame structure shown in FIG. 14 may be used for a request to send (RTS) and a "null data packet (NDP) type short clear to send (CTS) message transmission" having no data portion.
  • RTS request to send
  • NDP nucleic acid packet
  • CTS short clear to send
  • 15 is a diagram for explaining an example of a configuration of a duplication mode frame according to another embodiment.
  • FIG. 15A illustrates a 2 MHz duplication mode frame.
  • the 2MHz duplication mode frame may include a base frame 1510 and a duplication frame 1520 that is 90 degrees out of phase with the base frame 1510.
  • the same frame is shifted by 90 ° with respect to a DC tone and transmitted through two bands.
  • the process of transmitting the duplication mode frame may include transmitting the base frame through the third band and simultaneously transmitting the duplication frame through the fourth band.
  • the receiving end receiving the duplication mode frame may perform demodulation even when receiving only a frame received in any one of the third band and the fourth band.
  • the basic frame 1510 may have the same structure as the 1 MHz mode frame illustrated in FIG. 12. Accordingly, the basic frame 1510 may include a short training field (STF), a long training field (LTF), and a SIG field.
  • STF short training field
  • LTF long training field
  • SIG SIG field
  • the SIG field of the 1 MHz mode frame may have a structure in which information about bandwidth is omitted.
  • the bandwidth When configuring a duplication mode frame based on 1 MHz bandwidth, it is necessary to insert information for defining the bandwidth. For example, some bits of 4 bits defined as reserved bits of the SIG may be used to insert information about bandwidth. In this case, the information on the bandwidth may be information on which band of the frequency axis is used in the example illustrated in FIG. 15. In addition, some of the lower bits of the scrambler sheet in the SERVICE field may be used to define bandwidth information.
  • Three bits may be required to define the bandwidth divided into 1, 2, 4, 8, and 16 [MHz].
  • the frame structure of the first bandwidth is a form in which information on multiple bandwidths is omitted, and a basic frame generated based on the first bandwidth may include information on the multiple bandwidths in a signal field or a service field.
  • Figure 15 (b) shows a 4MHz duplication mode frame.
  • the 4MHz duplication mode frame may include a base frame 1510 and three duplication frames 1530 that are 180 degrees out of phase with the base frame 1510.
  • the method according to the embodiment may be embodied in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium.
  • the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
  • the program instructions recorded on the media may be those specially designed and constructed for the purposes of the embodiments, or they may be of the kind well-known and available to those having skill in the computer software arts.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
  • Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

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Abstract

L'invention concerne un procédé et un dispositif de communication permettant de prendre en charge une pluralité de modes basiques de largeurs de bande dans un système LAN sans fil qui prend en charge de multiples largeurs de bande. Le procédé de communication, qui est à effectuer par un point d'accès (AP)dans un système sans fil, selon un mode de réalisation, comprend : une étape dans laquelle le point d'accès d'un réseau, qui prend en charge une première largeur de bande et une seconde largeur de bande dont la taille est le double de celle de la première largeur de bande, vérifie l'état de fonctionnement du réseau ; une étape d'attribution, sur la base de l'état de fonctionnement du réseau, d'un premier intervalle de temps dans lequel la transmission d'uniquement les trames de la taille de la première largeur de bande ou d'une taille supérieure est autorisée ; et une étape d'attribution d'un second intervalle de temps dans lequel la transmission d'uniquement les trames de la taille de la seconde largeur de bande ou d'une taille supérieure est autorisée.
PCT/KR2013/005996 2012-07-05 2013-07-05 Procédé et dispositif de communication permettant de prendre en charge une pluralité de modes basiques de largeurs de bande dans un système lan sans fil qui prend en charge de multiples largeurs de bande WO2014007576A1 (fr)

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US14/412,668 US20150156771A1 (en) 2012-07-05 2013-07-05 Communication method and communication device for supporting a plurality of basic bandwidth modes in wireless lan system that supports multiple bandwidths

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KR20120073344 2012-07-05
KR10-2012-0073344 2012-07-05
KR1020130078797A KR102062890B1 (ko) 2012-07-05 2013-07-05 다중 대역폭을 지원하는 무선랜 시스템에서 복수의 기본 대역폭 모드를 지원하기 위한 통신 방법 및 장치
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WO2016133371A1 (fr) * 2015-02-17 2016-08-25 주식회사 윌러스표준기술연구소 Procédé de signalisation pour transmission multi-utilisateur, terminal de communication sans fil et procédé de communication sans fil utilisant ce procédé
WO2020027847A1 (fr) * 2018-08-02 2020-02-06 Intel IP Corporation Procédés et appareil pour la génération et le traitement de trames de gestion

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CN105723790B (zh) * 2014-10-21 2019-05-07 华为技术有限公司 一种数据传输装置和方法
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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
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CN107251472B (zh) * 2015-02-17 2020-07-17 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
US11153058B2 (en) 2015-02-17 2021-10-19 Wilus Institute Of Standards And Technology Inc. Signaling method for multi-user transmission, and wireless communication terminal and wireless communication method using same
US20220014339A1 (en) 2015-02-17 2022-01-13 Wilus Institute Of Standards And Technology Inc. Signaling method for multi-user transmission, and wireless communication terminal and wireless communication method using same
US11777693B2 (en) 2015-02-17 2023-10-03 Wilus Institute Of Standards And Technology Inc. Signaling method for multi-user transmission, and wireless communication terminal and wireless communication method using same
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US11659412B2 (en) 2018-08-02 2023-05-23 Intel Corporation Methods and apparatus to generate and process management frames

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