Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Skhynix Inc.

Yonsei University

Myeongjin Kim

Sangrim Lee

Hojae Lee

Dongkyu Kim

Kwangseok Noh

Eunsung Jeon

Jonghun Han

Chulho Chung

Wookbong Lee

Jinmin Kim

Hyukjin Chae

Wook Bong Lee

Srinivas Kandala

Minki Ahn

Sungsoo Kim

Ashok Ranganath

Woonghee Lee

Youngsoo Park

Sunghyup Lee

Heeseok Jung

Eui-Young Chung

Ruchen Duan

Jinyong Lee

Heejun Ryu

Hanbom Park

Sang-Woo Han

Jungil Ahn

Sungkeun Koo

Sangyeob Cha

WanGoo Hwang

Youngsam An

Dongju Yeon

Jeoneun Sung

A wireless communication method performed by a first apparatus may include obtaining back-off counts of a plurality of links, when a back-off count of a first link among the plurality of links is zero, selecting a first or a second transmission method; when the first transmission method is selected, transmitting first data to a second apparatus over the first link, and when the second transmission method is selected, delaying transmission of the first data to the second apparatus until a back-off count of a second link among the plurality of links becomes zero.

Apparatus and method for multi-link-based wireless communication

An electronic device is provided. The electronic device includes a rear plate which includes a first through-hole, a flash member which includes a flash lens and a support structure accommodating the flash lens and including a second through-hole opposite to the rear plate, and at least a part of which is disposed in the first through-hole, a support member which supports the flash member and includes a third through-hole opposite to at least a part of the second through-hole, and a microphone module which is disposed under the support member and covers the third through-hole.

Electronic device comprising microphone module

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 wireless communication method performed by a first device includes entering a transmission preparation period of a first Request To Send (RTS) frame via a first link; obtaining transmission-related information of a second RTS frame via a second link; determining at least one of a first transmission timing and content of the first RTS frame, based on the transmission-related information of the second RTS frame; generating the first RTS frame based on a result of the determining; and transmitting, to a second device via the first link, the generated first RTS frame.

Device and method for wireless communication using multiple links

The present disclosure provides methods and apparatuses for wireless communications. In some embodiments, a wireless communication method of a first device includes receiving a physical layer protocol data unit (PPDU) from a second device, and identifying a channel bandwidth of the PPDU based on a first field and a second field related to the channel bandwidth of the PPDU. The first field and the second field are extracted from a signal field included in the PPDU.

Device and method for supporting communication using plurality of bandwidths in wireless local area network system

Provided is a method of wireless communication by a first device, the method including allocating multi-resource unit (MRU) to at least one second device; generating at least one resource unit (RU) allocation sub-field respectively corresponding to at least one sub-channel included in the MRU; and transmitting the at least one RU allocation sub-field to the at least one second device. Generating the at least one RU allocation sub-field may include identifying a first RU including a first sub-channel to indicate a zero user in the MRU; and generating a first RU allocation sub-field corresponding to the first sub-channel based on the first RU.

Apparatus and method for communication based on multi-resource unit in wireless local area network system

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 method of communicating, by a first device, with at least one second device in a wireless local area network (WLAN) system includes allocating at least one resource unit (RU) within a bandwidth to a second device; generating at least one subfield defining the at least one RU; generating a trigger frame comprising a user information field comprising the at least one subfield, and transmitting a PPDU including the trigger frame to the at least one second device, wherein the generating comprises setting at least seven bits associated with the at least one RU and setting at least two bits as a value defining a subband that includes the at least one RU when the band width comprises at least four subbands.

Methods and device for communicating PPDU

A method includes generating a first aggregated physical layer protocol data unit (PPDU) including a first null data packet (NDP) based on an extremely high throughput (EHT) protocol standard and a second NDP based on an EHT+ protocol standard, which is a next generation of the EHT protocol standard, and transmitting the first aggregated PPDU to a second apparatus in a wireless local area network (WLAN) system. Each of the first NDP and the second NDP has a same duration, and the first NDP is transmitted in a first band and the second NDP is transmitted in a second band that is different from the first band.

Apparatus and method for channel sounding

A method of a first device communicating with at least one second device in a wireless local area network (WLAN) system includes the first device generating a null data packet announcement (NDPA) frame and transmitting the NDPA frame to the at least one second device. The generating of the NDPA frame includes identifying a protocol version of the at least one second device and the NDPA frame includes an NDPA version subfield generated based on the protocol version.

Apparatus and method for wireless communication based on enhanced null data packet announcement

A wireless communication method, by a first apparatus, includes receiving a first Physical Layer Protocol Data Unit (PPDU) from a second apparatus, extracting a first field from a first signal field included in the first PPDU, and identifying the number of symbols in the second signal field included in the first PPDU based on a value of the first field, wherein, when the first field has a first value, the identifying the number of symbols in the second signal field includes identifying that the number of symbols in the second signal field is equal to or greater than a first number.

Apparatus and method for extended signal field

A method for a first device to communicate with at least one second device in a wireless local area network (WLAN) system includes providing a first trigger frame to at least one second device, the first trigger frame requesting at least one sounding null data packet (NDP), providing a feedback frame to the at least one second device, the feedback frame including feedback information generated based on the at least one sounding NDP, and providing a second trigger frame to the at least one second device, the second trigger frame requesting at least one beamformed physical layer protocol data unit (PPDU), each of the first trigger frame and the feedback frame including a sounding dialog token number field having a sounding sequence number.

Apparatus and method of uplink beamforming in wireless local area network system

A second apparatus for wireless communication includes: a transceiver; and a processing circuit configured to receive, from a first apparatus via the transceiver, a physical layer protocol data unit (PPDU) including a first signal field having a fixed length and a second signal field having a variable length. The second signal field includes an orthogonal frequency-division multiplexing (OFDM) symbol block including at least one OFDM symbol, and one or more repetitions of the OFDM symbol block.

Apparatus and method for extended range communication

The present disclosure provides a wireless communication method. The wireless communication method may be performed by a first apparatus and may include acquiring a transmit opportunity (TXOP) for transmitting a first physical layer protocol data unit (PPDU) with a first transmission power, limiting a second transmission power of a second apparatus for sharing the TXOP with the second apparatus, and transmitting the first PPDU to a third apparatus with the transmission power in the shared TXOP.

Growing community of inventors

Seoul, South Korea

Myeongjin Kim