Abstract: Embodiments of the present invention provide an extended range SU mode PPDU transmission method and apparatus. The method comprises: generating an extended range SU mode PPDU, wherein a legacy preamble part in the extended range SU mode PPDU is transmitted by using a bandwidth of 20 MHz, a data part in the extended range SU mode PPDU is transmitted by using a narrowband, and a bandwidth in the narrowband transmission comprises at least one of the following parameters: a 26-tone RU, a 52-tone RU, a 106-tone RU, or a 242-tone RU; and sending the extended range SU mode PPDU. By applying the method and the apparatus in the embodiments of the present invention, transmission reliability of the data part is improved, performance of parts in the PPDU in an EXT SU mode is more balanced, and a coverage area of long-distance transmission is ensured.

Abstract: The present invention discloses a data transmission method and apparatus. The method includes: generating, by the primary access point, spatial reuse transmission signaling, the spatial reuse transmission signaling is used to indicate a reuse transmission device of the spatial reuse link to perform data transmission based on the spatial reuse link according to the spatial reuse transmission signaling; sending, by the primary access point, the spatial reuse transmission signaling. According to the data transmission method and apparatus in embodiments of the present invention, mutual interference between the primary link and the spatial reuse link during data transmission can be reduced, and transmission quality can be improved.

Abstract: Information transmission methods and apparatuses in a wireless local area network are provided. One example method includes generating a legacy signaling field (L-SIG) and a repeated legacy signaling field (RL-SIG), where subcarriers with indexes ?28, ?27, 27, and 28 in the L-SIG and the RL-SIG in a 20 MHz bandwidth carry ?1, ?1, ?1, and 1, respectively. The example method also includes sending the generated L-SIG and RL-SIG.

Abstract: The present disclosure provides a NAV (network allocation vector) setting method in a wireless communications system and a related device. The method includes: receiving, by a receiving node, a PPDU (physical layer protocol data unit) sent by a transmitting node; determining whether the receiving node satisfies a condition of allowing simultaneous transmission; and if the condition of allowing simultaneous transmission is satisfied, keeping a current NAV value unchanged; or if the condition of allowing simultaneous transmission is not satisfied, decoding the received PPDU to obtain a duration field, and updating the current NAV value of the receiving node according to a value of the duration field.

Abstract: A method is provided, including: receiving a to-be-decoded signaling sub-segment, where the to-be-decoded signaling sub-segment includes one or more to-be-decoded sequences D0; obtaining a local ID sequence N2 with an N-bit length according to ID information stored on a receive end; for each to-be-decoded sequence D0, setting an initial state and a final state of a decoder to a reference state sequence with a T length and obtaining a decoded sequence D1, where at least some bits in the reference state sequence are identical to some bits in the obtained local ID sequence N2, referred to as a specific reference state sequence in short; and performing processing according to a decoding result.

Abstract: The present invention provides a WLAN system resource indication method and apparatus. The method includes: generating, by an access point, a frame that carries resource indication information; and sending, to multiple stations, the frame that carries the resource indication information. The resource indication information includes multiple pieces of sub resource indication information. Correspondingly, each piece of the sub resource indication information uniquely corresponds to one of the multiple stations. Therefore, a station side does not need read the entire resource indication information, so as to reduce resource overheads and improve efficiency.

Abstract: Embodiments of the claimed subject matter provide embodiments of methods for supporting dynamic sub frame reconfiguration in a time division duplex wireless communication system. One embodiment includes transmitting, from a first base station to a second base station, a message indicating that the first base station is configured for scheduling uplink transmissions from first user equipment in one or more subframes of a time division duplex frame. The message is transmitted when the second base station is configured for downlink transmission to second user equipment in the subframe(s).

Abstract: A method includes: determining, by an AP from all STAs associated with the AP, a concurrent STA joining a concurrent group, and generating concurrent group information of the concurrent group; and sending the concurrent group information to another AP in a system other than the AP, so that a BSS to which the another AP belongs determines, according to the concurrent group information, to join the concurrent group, to eventually form the concurrent group. All concurrent STAs that are associated with the AP and that join the concurrent group perform channel contention within a concurrent time by using an increased target CCA threshold, to increase a possibility that the concurrent STAs send data, so that a system throughput is improved.

Abstract: Methods and apparatuses for indicating an interference distribution in frame between base stations are provided. The method comprises: in response to a mismatch between a first frame allocation used by a first base station and a second frame allocation used by a second base station, transmitting, from the first base station to the second base station, a message for indicating an interference distribution in frame, A new information element, i.e., UL ABS (uplink Almost Blank Subframe) is introduced to indicate the uplink ABS information of the interfering base station. A modified DL ABS with a flag is used to indicate the downlink ABS information of the interfering base station, wherein the flag is to indicate that the DL ABS is used to protect UL transmission in the recipient base station.

Abstract: The present invention aims to provide method, apparatuses and systems for providing UE with biasing adjustment parameters about cell range expansion in a heterogeneous network. Herein, a current eNB determines, based on attribute information of one or more user equipments to be handed over, biasing adjustment parameters about cell range expansion of the one or more user equipments corresponding to their target eNB, and sends the biasing adjustment parameters to the one or more user equipments; the one or more user equipments adjust, based on the biasing adjustment biasing adjustment parameters, its report trigger condition of measurement report on measurement report on the current eNB and the target eNB, and report, the measurement report on the current eNB and the target eNB to the current eNB when the report trigger condition is satisfied; the current eNB makes a handover decision for corresponding user equipment(s) based on the measurement report.

Abstract: The herein described device and method facilitate inter-cell interference coordination (ICIC) in a relay-assistant cellular network by: determining, with respect to a sector, whether the sector is relay overloaded or neighboring sectors of the sector are relay overloaded according to load information of the neighboring sectors of the sector; enabling the sector to borrow relay resources released by the neighboring sectors of the sector if the sector is relay overloaded with respect to the neighboring sectors of the sector; and releasing relay resources allocated to the sector according to load information of the neighboring sectors of the sector if the neighboring sectors are relay overloaded with respect to the sector.

Abstract: The present application describes embodiments of methods and apparatuses for controlling communications within a first cell that is overlapped by a second cell. One embodiment of the method includes receiving a signal at the second cell indicating a number of devices selected to communicate with the first cell and identifying a set of subframes during which communications are permitted to take place within the first cell based on the number of devices selected to communicate with the first cell. This embodiment of the method also includes delivering an indication of the set of subframes to the first cell.

Abstract: Methods and apparatuses for indicating an interference distribution in frame between base stations are provided. The method comprises: in response to a mismatch between a first frame allocation used by a first base station and a second frame allocation used by a second base station, transmitting, from the first base station to the second base station, a message for indicating an interference distribution in frame, A new information element, i.e., UL ABS (uplink Almost Blank Subframe) is introduced to indicate the uplink ABS information of the interfering base station. A modified DL ABS with a flag is used to indicate the downlink ABS information of the interfering base station, wherein the flag is to indicate that the DL ABS is used to protect UL transmission in the recipient base station.

Abstract: The invention provides a method and apparatus for invoking a response of a current TDD subframe configuration. First, the first base station sends to the second base station a first message for invoking a response of a current TDD subframe configuration of the second base station. Second, the second base station receives the first message from the first base station and then sends to the first base station a second message in response to the first message, the second message including the current TDD subframe configuration of the second base station. Third, the first base station receives the second message from the second base station and acquires the current TDD subframe configuration of the second base station from the second message.

Abstract: Embodiments of the claimed subject matter provide embodiments of methods for supporting dynamic sub frame re-configuration in a time division duplex wireless communication system. One embodiment includes transmitting, from a first base station to a second base station, a message indicating that the first base station is configured for scheduling uplink transmissions from first user equipment in one or more subframes of a time division duplex frame. The message is transmitted when the second base station is configured for downlink transmission to second user equipment in the subframe(s).

Abstract: Embodiments of the claimed subject matter provide a method and apparatus for transmitting an uplink overload indicator in a wireless communication system that operates according to time division duplexing. One embodiment of the method includes transmitting, from a first base station to a second base station, a message indicating that the first base station detected interference in at least one subframe of a time division duplex (TDD) frame allocated for reception of uplink signals at the first base station. A portion of the interference is generated by downlink transmissions from the second base station in the subframe of the TDD frame.

Abstract: The present application describes embodiments of methods and apparatuses for controlling communications within a first cell that is overlapped by a second cell. One embodiment of the method includes receiving a signal at the second cell indicating a number of devices selected to communicate with the first cell and identifying a set of subframes during which communications are permitted to take place within the first cell based on the number of devices selected to communicate with the first cell. This embodiment of the method also includes delivering an indication of the set of subframes to the first cell.

Abstract: The invention provides a device and method for inter-cell interference coordination (ICIC) in a relay-assistant cellular network, comprising: determining, with respect to a sector, whether the sector is relay overloaded or neighboring sectors of the sector are relay overloaded according to load information of the neighboring sectors of the sector; enabling the sector to borrow relay resources released by the neighboring sectors of the sector if the sector is relay overloaded with respect to the neighboring sectors of the sector; and releasing relay resources allocated to the sector according to load information of the neighboring sectors of the sector if the neighboring sectors are relay overloaded with respect to the sector.