Samsung Electronics Co., Ltd.

Srinivas Kandala

Ashok Ranganath

Wook Bong Lee

Sharan Naribole

Ruchen Duan

Mostafa Sayed Roshdy Ibrahim

Chulho Chung

Jonghun Han

Tianyu Wu

Myeongjin Kim

Ravi H Gidvani

Shailender Karmuchi

Eunsung Jeon

Wookbong Lee

Pavankumar Veerashetty

Vamadevan Namboodiri

Michail Koundourakis

Ruehen Duan

A system and a method are disclosed for controlling a coordinating network entity in a virtual network including a plurality of access points (APs) and at least one wireless station (STA), including receiving one or more parameters from at least one AP included in the plurality of APs; identifying a first multi-AP coordination scheme based on the one or more parameters; and assigning the first multi-AP coordination scheme to a first dynamic group of network entities included in the virtual network, wherein the first dynamic group of network entities performs wireless communication based on the first multi-AP coordination scheme.

Electronic device and method for enabling virtual BSS and multi-AP transmissions

Disclosed is a method of setting conditions for an access point (AP) to be included in an AP candidate set of a coordinating AP for a transmission opportunity (TXOP), including setting a first primary channel of the AP as part of the AP candidate set of the coordinating AP within a basic service set (BSS) operating bandwidth of the coordinating AP, and coordinating AP updates in the AP candidate set when a coordinated AP that is part of the AP candidate set performs a channel switch to a second primary channel operating on a different bandwidth stream than a bandwidth stream of the first primary channel.

Shared transmission opportunity operation in multi-access point coordination

The present disclosure provides a wireless communication method. The wireless communication method includes a first device used to negotiate a buffer size with a second device, provide data including a duration field to the second device, and receive a first block acknowledgement from the second device. The first block acknowledgement may include a first block acknowledgement bitmap. The duration field included in the data from the first device may include an indication of a duration associated with the first block acknowledgment that is less than an upper bound duration associated with a second block acknowledgement that includes a second block acknowledgement bitmap with a maximum length.

Apparatus and method for block acknowledgement within reduced duration

A method for associating and authenticating a station (STA) with a coordinated access point (AP) group may include generating a pairwise master key (PMK) between the STA and a coordinator of the coordinated AP group, and maintaining an association and authentication state between the STA and the coordinated AP group based on the PMK. The method may further include generating one or more temporal keys between the STA and the coordinator based on the PMK. The method may further include distributing the PMK from the coordinator to a first member AP and a second member AP of the coordinated AP group. The method may further include generating a first temporal key between the STA and the first member AP, and generating a second temporal key between the STA and the second member AP.

Systems, methods, and devices for association and authentication for multi access point coordination

A system and method for managing latency in a wireless network. In some embodiments, the method includes: receiving, by a non-Access Point Station (non-AP STA), a first inserted packet; and sending, by the non-AP STA, an Acknowledgement (ACK) for the first inserted packet, the first inserted packet beginning after the beginning of a first originally scheduled Aggregated Physical layer Protocol Data Unit (A-PPDU) and being substituted for a portion of the data of the first originally scheduled A-PPDU.

Inserted PPDU

A wireless device may include a transceiver configured to communicate through a first link and a second link. The wireless device may be configured to indicate, through the transceiver, a number of spatial streams associated with the first link. The wireless device may include one or more radio frequency (RF) chains and may be configured to indicate a sharing capability of the one or more RF chains between the first and second links. The wireless device may be configured to perform a collision avoidance operation based on switching an RF chain from the first link to the second link. The wireless device may be configured use an RF chain on the first link based on the availability of the first link. A method of performing a sounding operation may include initiating a sounding sequence on a link based on a sounding feedback capability of a wireless device.

Systems, methods, and apparatus for multi-link spatial multiplexing

A system and method for managing beacon size. In some embodiments, the method includes: transmitting, by an Access Point Station (AP STA) a first beacon; transmitting, by the AP STA, a second beacon indicating feature information; and transmitting, by the AP STA, a first follow-on beacon, the first follow-on beacon supplementing the feature information indicated in the second beacon.

System and method for managing growing beacon size in a wireless network

Systems and methods for managing use of power of a wireless communication device configured to communicate over a plurality of radio links. A criterion is detected, and one of the plurality of radio links is selected as a selected radio link based on detecting the criterion. Operation of the selected radio link is switched from a first operating mode to a second operating mode, and operation of one or more remaining radio links of the plurality of radio links is disabled. In response to switching operation of the selected radio link to the second operating mode, the selected radio link oscillates between an awake state and an asleep state. Radio traffic information for the plurality of radio links is received, via the selected radio link, during the awake state.

Systems and methods for managing power usage of a multi-link device equipped with a plurality of radio interfaces

A system and method for downlink feedback in communications between a station and an access point. In some embodiments, the method includes: receiving, from the access point, by the station, a null data packet announcement (NDPA) including a first number of spatial streams, and sending, by the station, to the access point, a Compressed Beamforming Report (CBR) including a second number of spatial streams, different from the first number of spatial streams; or sending, by the station, to the access point, an Operating Mode Indication (OMI) declaring a change in a station Modulation Coding Scheme (MCS) capability for a third number of spatial streams; or sending, by the station, to the access point, an Association Request including a declared Single-User (SU) MCS capability for a first bandwidth and a declared Multi-User (MU) MCS capability for the first bandwidth, the MU MCS capability being different from the SU MCS capability.

System and method for downlink multi-user MIMO feedback

A wireless communication method performed by a first apparatus includes acquiring a transmit opportunity (TXOP) to transmit or receive a first physical layer protocol data unit (PPDU), identifying a second apparatus for sharing the TXOP, permitting at least one of transmission and reception of a second PPDU to the second apparatus in the shared TXOP, and transmitting the first PPDU to at least one third apparatus in the shared TXOP or receiving the first PPDU from the at least one third apparatus.

Apparatus and method for coordinated spatial reuse in wireless communication

A method for encoding or transmitting. In some embodiments, the method includes forming a set of one or more unpunctured codewords by coding a plurality of payload bits at a mother code rate, removing a plurality of punctured bits from the set of one or more unpunctured codewords to form a set of one or more punctured codewords, and transmitting the set of one or more punctured codewords. In some embodiments, the number of punctured bits exceeds a first threshold, or the number of punctured bits exceeds a second threshold.

System and method for encoding data using punctured low-density parity-check codes

A method of providing multi-link operation channel access in a multi-link network includes initiating a first backoff countdown and a second backoff countdown associated with a first link and a second link of the multi-link network, respectively, and in response to the first backoff countdown reaching zero, determining whether the second backoff countdown is less than or equal to an aggregation threshold, and in response to determining that the second backoff countdown is less than or equal to the aggregation threshold, transmitting a first frame and a second frame on the first and second links.

Multi link TXOP aggregation

A method of implementing a hybrid automatic repeat request (HARQ) process. The method includes: transmitting, by a transmitter to a receiver, an initial transmission of the HARQ process; receiving, by the transmitter from the receiver, receiver decoding capability information; setting, by the transmitter, a retransmission duration based on the receiver decoding capability information; and implementing, by the transmitter, a retransmission of the HARQ process based on the retransmission duration.

Systems and methods for implementing hybrid automatic repeat request retransmission scheduling

A method and device are provided for dynamic access point (AP) selection by a coordinator in a coordinated AP group. The coordinator of the coordinated AP group receives one or more link quality metrics for each link between a station (STA) and each of a plurality of member APs in the coordinated AP group, from the plurality of member APs. The coordinator selects an anchor AP for the STA from the plurality of member APs based on the one or more link quality metrics for each link. The anchor AP is used to relay transmissions between the STA and the coordinator. Authentication of the STA with the anchor AP is shared with all APs in the coordinated AP group, allowing the STA to utilize any subsequently selected anchor AP to relay transmissions without re-authentication.

Method and system for dynamic access point selection in coordinated access point group

Methods and a devices are provided is for receiving simultaneous downlink transmissions at a mobile station (STA). Information regarding whether endings of simultaneous data transmissions to the mobile station are to be aligned is transmitted to an access point (AP). The simultaneous data transmissions are between the AP and the STA over a pair of channels. Reception begins of a first data transmission, from the AP, on a first channel of the pair of channels. Reception begins of a second data transmission, from the AP, on a second channel of the pair of channels. The second data transmission overlaps at least a portion of the first data transmission. Reception of the second data transmission ends upon an end of the first data transmission when the information indicates that the endings of simultaneous downlink data transmissions are to be aligned.

Growing community of inventors

Morgan Hill, CA, United States of America

Srinivas Kandala