Panasonic Intellectual Property Corporation of America

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Apple Inc.

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

National University of Singapore

Nanyang Technological University

Agency for Science, Technology and Research

Panasonic Holdings Corporation

Pohang University of Science and Technology Foundation

Data Storage Institute

Sun Patent Trust

Lei Huang

Yoshio Urabe

Rojan Chitrakar

Michael Hong Cheng Sim

Takenori Sakamoto

Hiroyuki Motozuka

Hong Cheng Michael Sim

Yao Huang Gaius Wee

Masataka Irie

Isamu Yoshii

Naganori Shirakata

Hidetoshi Suzuki

Yang Kang

Tien Ming Benjamin Koh

Daichi Imamura

Chan Wah Ng

Masayuki Hoshino

Lilei Wang

Madhav Gupta

Qian Yu

Tomoya Urushihara

Akihiko Nishio

Yoshihiko Ogawa

Suguru Fujita

Ping Luo

Jun Zhang

Ankit Bhamri

Kazuaki Takahashi

Yue Wang

Tien-Ming Benjamin Koh

Tow Chong Chong

Adrian Paul Burden

Gyu-Chul Yi

Herbert Oskar Moser

Chaoming Luo

Anand Krishna Asundi

Pei Zhou

Xuan Tuong Tran

Yanyi Ding

Jian Ping Wang

Liuming Lu

Hao Gong

Ronghui Hou

Yongyang Du

Tien Ming (Benjamin) Koh

Hoe Jyh Koh

Xingyu Gao

Jin Kyoung Yoo

Andrew Thye Shen Wee

Shu Ping Lau

Marian Cholewa

Chi Seng Ng

Koh Wei Chien

Yoshii Isamu

Hong Chen Michael Sim

Urabe Yoshio

Hong Cheng Sim

Tien Ming Koh

Michael Hong Sim

Xuan Niu

Taihong Zhou

An access point (AP), a station (STA), and an information transmission method are provided. The information transmission method includes configuring, by an access point (AP), an aggregated physical layer (PHY) protocol data unit (A-PPDU) used for downlink transmission to a set of STAs, wherein the A-PPDU comprises a first PPDU and at least one second PPDU if a number of first symbols of the first PPDU is equal to a number of second symbols of the second PPDU and/or a first field of the first PPDU has a same symbol duration and/or a same guard interval (GI) duration as a second field of the second PPDU; and determining, by the AP, an uplink transmission from a STA of the set of STAs, wherein the uplink transmission is in response to the A-PPDU used for downlink transmission. This can aggregate different formats of PPDUs.

Access point, station, and information transmission method

An access point (AP), a station (STA), and a wireless communication method are provided. The wireless communication method includes configuring, by an access point (AP), an aggregated physical layer (PHY) protocol data unit (A-PPDU) to a set of stations (STAs), wherein the A-PPDU comprises at least one first PPDU and at least one second PPDU, and phase rotation is applied to the A-PPDU according to at least one bandwidth associated with at least one of the A-PPDU, the at least one first PPDU, and the at least one second PPDU. This can solve issues in the prior art, apply phase rotation to an A-PPDU, improve peak-to-average power ratio (PAPR) of the A-PPDU, achieve extremely high throughput (EHT), provide a good communication performance, and/or provide high reliability.

Access point, station, and wireless communication method

Communication devices and methods for multi-band traffic streams are provided. One exemplary embodiment provides a multi-band communication device which includes at least a plurality of transceivers and Media Access Control (MAC) circuitry. In operation, the transceivers each transmit signal frames on different ones of a plurality of frequency bands. The MAC circuitry is coupled to the transceivers and, in operation, receives a multi-band block acknowledgement frame on one of the plurality of frequency bands acknowledging the signal frames transmitted on the plurality of frequency bands. Another exemplary embodiment provides MAC circuitry which in operation generates and transmits a multi-band block acknowledgement frame on one of the plurality of frequency bands acknowledging the signal frames received on the plurality of frequency bands.

Communication devices and communication methods for multi-band traffic streams

The present disclosure provides a data transmission method applied in a network device. The method includes obtaining an initial transmission time of a Frequency Domain-Aggregated-Physical layer Protocol Data Unit (FD-A-PPDU) including at least two Multi-User (MU) PPDUs; obtaining an initial number of A-PPDU padding symbols for each of the at least two MU PPDUs; determining a first transmission time of the FD-A-PPDU and a first number of A-PPDU padding symbols for each of the at least two MU PPDUs based on the initial transmission time of the FD-A-PPDU and the initial number of A-PPDU padding symbols for each of the at least two MU PPDUs; generating the FD-A-PPDU based on the first transmission time of the FD-A-PPDU and the first number of A-PPDU padding symbols for each of the at least two MU PPDUs; and transmitting the generated FD-A-PPDU to a plurality of terminal devices.

Data transmission method and network device

An communication apparatus of the present disclosure comprises a receiver that receives a Trigger frame for allocating resource units (RUs) for random access and another frame including Random Access parameter element that comprises a first field indicating an OFDMA contention window (OCW) minimum value (OCWmin) and a second field indicating an OCW maximum value (OCWmax); and control circuitry that controls Uplink OFDMA-based Random Access (UORA) procedure using the OCWmin and the OCWmax.

Orthogonal frequency division multiple access communication apparatus and communication method

The present disclosure provides communication apparatus and communication method for transmission over combinations of multiple resource units. The communication apparatus comprises: circuitry, which, in operation, generates a physical layer protocol data unit (PPDU) comprising a signal field and a data field, the signal field comprising a resource unit (RU) allocation field and one or more user specific field and the data field comprising one or more physical layer service data unit (PSDU); and a transmitter which, in operation, transmits the generated PPDU, wherein a single PSDU of the one or more PSDU is transmitted over a RU combination, and whether two or more RUs of the RU combination share a single low density parity check tone mapper depends on the size of the two or more RUs of the RU combination.

Communication apparatus and communication method for transmission over combinations of multiple resource units

The present disclosure relates to wireless communication technology, and provides a multicast transmission control method and apparatus, a computer device, and a storage medium. The method includes: obtaining station information lists of at least two APs, the station information list including channel quality information of an associated first-type station and an associated second-type station, the first-type station being a station in an OBSS and the second-type station being a station not in the OBSS; generating multicast optimization information for the at least two APs based on the station information lists of the at least two APs respectively, the multicast optimization information indicating multicast rates and multicast receiving stations of the corresponding APs; and transmitting the corresponding multicast optimization information to the at least two APs.

Multicast transmission control method and apparatus, computer device and storage medium

The present disclosure provides communication apparatus and communication method for trigger-based uplink multi-user transmission. A communication apparatus is provided, the communication apparatus comprising: circuitry, which in operation, generates a trigger frame comprising a common info field and a plurality of user info fields; and a transmitter, which in operation, transmits the generated trigger frame; wherein each of the plurality of user info fields comprises a first field which indicates whether a resource unit (RU) adaptation procedure is disabled for another communication apparatus addressed by the each of the plurality of user info field and a second field which indicates a RU or RU combination allocated to the another communication apparatus.

Communication apparatus and communication method for trigger-based uplink multiuser transmission

The present disclosure provides apparatuses and methods for establishing a random access. The apparatuses include a terminal which comprises circuitry which, in operation, generates a first random access preamble; and a transmitter which, in operation, transmits the first random access preamble to a base station on a first physical random access channel (PRACH) occasion (RO) among a plurality of RO candidates, the plurality of RO candidates being determined based on PRACH configuration information received from the base station, wherein the first RO is assigned within a first frequency region, the first frequency region being equal to a first sub-band in which a listen before talk (LBT) procedure is performed at the terminal.

Communication apparatuses and communication methods for random access

A communication apparatus includes circuitry configured to generate an uplink (UL) single-user (SU) partial bandwidth transmission packet using a first format that contains a first preamble and a data field, wherein the first preamble includes a high efficiency signaling B (HE-SIG-B) field containing resource unit (RU) allocation information indicating one of a plurality of RU arrangements and includes a plurality of user fields; and a transmitter configured to transmit the UL SU partial bandwidth transmission packet to an access point (AP). The one of the plurality of RU arrangements indicates a plurality of RUs which respectively correspond to the plurality of user fields, and one RU of the plurality of RUs is an RU allocated to the AP and other RU(s) of the plurality of RUs are RU(s) unallocated to the AP. The first format is also used for a downlink (DL) multi-user (MU) transmission.

Communication apparatus and communication method

An transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field and a second channel field, each of the first channel field and the second channel field comprising a common field that carries resource unit allocation information and a user-specific field that carries per-user allocation information for one or more terminal stations, and wherein a part of the user-specific field of one of the first channel field and the second channel field whichever is longer than the other channel field in length before appending padding bits is relocated to the other channel field; and a transmitter which, in operation, transmits the generated transmission signal.

Transmission apparatus and transmission method for transmitting a control signal in a wireless communication system

Communication devices and methods for multi-link setup and link maintenance are provided. One exemplary embodiment provides a first station (STA) included in a first plurality of STAs affiliated with a first Multi-link Device (MLD), the first STA comprising: circuitry, which in operation, generates a request frame, the request frame comprising request information; and a transmitter, which in operation, transmits the request frame to a second STA to request a multi-link setup, wherein the second STA is included in a second plurality of STAs affiliated with a second MLD, and wherein the multi-link setup establishes one or more links between one or more STAs of the first plurality of STAs and corresponding one or more STAs of the second plurality of STAs based on the request information.

Communication apparatus and communication method for multi-link setup and link maintenance

The present disclosure provides communication apparatus and communication method for enhanced direct link communication. A communication apparatus is configured to communicate wirelessly with an access point (AP) on a first channel, the communication apparatus comprising: circuitry, which, in operation, generates a channel use permission request frame, the channel use permission request frame comprising information indicating the communication apparatus, another communication apparatus and a second channel that is different from the first channel; a transmitter, which, in operation, transmits the generated channel use permission request frame to the AP to seek permission from the AP to use the second channel for direct link communication with the another communication apparatus; and a receiver, which, in operation, receives a channel use permission response frame from the AP permitting use of the second channel, wherein the communication apparatus is further configured to communicate with the another communication apparatus on a direct link in the second channel after receiving the channel use permission response frame.

Communication apparatus and communication method for enhanced direct link communication

A multi-band communication device includes: one or more transceiver circuitries, each of which in operation transmits and receives data on a plurality of channels in different frequency bands; and a band configuration circuitry operative to change a configuration of any one of the transceiver circuitries based on configuration information received from a multi-band Access Point (AP). The configuration information specifies one of the frequency bands as a Primary band and the other frequency bands as Secondary band(s). The transceiver circuitry operating on the Primary band is used as a default circuitry for communication with the AP.

Communication apparatus and communication method for multi-band transmission

Communication devices and methods for multi-link block acknowledgement are provided. One exemplary embodiment provides a multi-link device (MLD) configured to operate with a first plurality of affiliated stations, the first multi-link device comprising: circuitry, which in operation, initiates setup of a block acknowledgement agreement with a second multi-link device that is configured to operate with a second plurality of affiliated stations, wherein a link has been established between each station of the first plurality of stations and a corresponding station of the second plurality of stations; and a transmitter, which in operation, transmits frames of a Traffic Identifier (TID) on one or more links to the second multi-link device based on the block acknowledgement agreement, wherein the first plurality of stations are configured to share a common transmit buffer that stores the frames of the TID to be transmitted to the second multi-link device and a common transmit buffer control to manage the transmission of the frames over the one or more links, and wherein each of the first plurality of stations is configured to maintain a per-link transmit buffer control to manage the transmission of the frames on a corresponding one of the one or more links.

Communication device and communication method for multi-link block acknowledgement

Growing community of inventors

Singapore, Singapore

Lei Huang