Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.

Abstract: A device for determining a received signal as minimum values of a set of values, the device comprising a processor configured to: load a first set of values in a register; identify a maximum value of the first set of values and a minimum value of the first set of values; in the register, replace the maximum value by a value of a second set of values and simultaneously replace the minimum value by a new value, calculated based on the minimum value, to receive an updated first set of values; and repeat previous steps until all values of the updated first set of values are replaced by values of the second set of values.

Abstract: The present application provides a method for determining a CP. A STA performs channel estimation, determines a CP value according to the result of channel estimation, and sends indication information to an AP, wherein the indication information is used for indicating the CP value, so that the AP may choose a suitable CP according to the indication information. Therefore, overhead may be reduced and system throughput may be optimized.

Abstract: A radio physical layer protocol data unit (PPDU) sending method includes: obtaining, a radio physical layer protocol data unit (PPDU), wherein the PPDU includes a high efficiency-signal field A (HE-SIG-A) and a high efficiency-signal field B (HE-SIG-B), the HE-SIG-A includes a field indicating a quantity of orthogonal frequency division multiplexing (OFDM) symbols in the HE-SIG-B, and wherein a value of the field indicates one of the following: that the quantity of OFDM symbols included in the HE-SIG-B is greater than or equal to 16, or the quantity of OFDM symbols included in the HE-SIG-B; and sending the PPDU.

Abstract: This application discloses midamble indication and receiving methods and apparatuses. In the method, a first device sends midamble indication information to a second device, where a duration of a midamble indicated by the midamble indication information is greater than or equal to a threshold, and the threshold is related to a processing capability of the second device; and the second device receives the midamble according to the indication information.

Abstract: Embodiments of the present disclosure provide a physical layer protocol data unit (PPDU) transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present disclosure enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.

Abstract: An apparatus for deriving a submatrix {tilde over (G)}?1 is described. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to select an N-elements-column and an N-elements-row of an N×N-Matrix G or G?1. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to rearrange the selected column to the rightest column and the selected row to the lowest row of G or G?1 so as to generate a N×N-matrix Gp or Gp?1. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to calculate a submatrix {tilde over (G)}?1 by G ~ - 1 = A - AbcA d - 1 + c T ? Ab , wherein the parameters (N?1)×(N?1)-submatrix A, b, d, c are obtained from the Gp or the Gp?1; wherein G p = [ G ~ b c T d ] , ? G p - 1 = [ A b ~ c ~ T d ~ ] .

Abstract: A device provides a soft access point in, for example, a wireless network. The device sends, to an access point, a resource request message that includes cluster information about a cluster of network units connected to the device. The access point allocates first resources for communications within the cluster according to the cluster information, and sends to the device a resource allocation message specifying the first resources. The device uses the first resources for communications within the cluster.

Abstract: Embodiments of the present disclosure provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present disclosure enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.

Abstract: A device for determining a received signal as minimum values of a set of values, the device comprising a processor configured to: load a first set of values in a register; identify a maximum value of the first set of values and a minimum value of the first set of values; in the register, replace the maximum value by a value of a second set of values and simultaneously replace the minimum value by a new value, calculated based on the minimum value, to receive an updated first set of values; and repeat previous steps until all values of the updated first set of values are replaced by values of the second set of values.

Abstract: The disclosure relates to an access point device (AP) for communicating with a client device (STA). The AP may include a transceiver configured to transmit a first data packet indicating a set of groups, wherein each group of the set of groups is associated with a specific set of transmission parameters. The transceiver of the AP may also be configured to transmit a second data packet indicating an allocation for at least part of the groups. Furthermore, the transceiver of the AP may also be configured to receive a response frame using at least part of random access (RA) resources selected by the STA for the at least part of the groups.

Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.

Abstract: The present application provides a method for determining a CP. A STA performs channel estimation, determines a CP value according to the result of channel estimation, and sends indication information to an AP, wherein the indication information is used for indicating the CP value, so that the AP may choose a suitable CP according to the indication information. Therefore, overhead may be reduced and system throughput may be optimized.

Abstract: An apparatus for deriving a submatrix {tilde over (G)}?1 is described. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to select an N-elements-column and an N-elements-row of an N×N-Matrix G or G?1. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to rearrange the selected column to the rightest column and the selected row to the lowest row of G or G?1 so as to generate a N×N-matrix Gp or Gp?1. The apparatus for deriving a submatrix {tilde over (G)}?1 is configured to calculate a submatrix {tilde over (G)}?1 by G ~ - 1 = A - AbcA d - 1 + c T ? Ab , wherein the parameters (N?1)×(N?1)-submatrix A, b, d, c are obtained from the Gp or the Gp?1; wherein G p = [ G ~ b c T d ] , ? G p - 1 = [ A b ~ c ~ T d ~ ] .

Abstract: A client type communication device for communicating with an access point type communication device is provided. The client type communication device comprises a communication unit adapted to use at least one of first communication resources for performing a random access communication if the client type communication device is in an associated mode regarding the access point type communication device, and to use at least one of second communication resources different from the first communication resources for performing a random access communication to the access point type communication device if the client type communication device is in a non-associated mode regarding the access point type communication device.

Abstract: Embodiments of the present invention provide a physical layer protocol data unit PPDU transmission method and a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and status switching.

Abstract: A method for calculating channel quality in a multi-stream communication system, by calculating channel quality for each selectable stream of the multi-stream communication system, based on estimation of at lest one set of error vectors.