摘要:
본 실시 예에 따른 AP(access point)에 의해 수행되는 무선랜 시스템에서 재전송을 수행하는 방법은, 복수의 메인 라디오(main radio) 모듈 및 복수의 WUR(Wake-Up Radio) 모듈을 포함하는 복수의 무선 단말을 위한 제1 웨이크업 패킷(Wake-Up Packet)을 송신하되, 제1 웨이크업 패킷은 복수의 메인 라디오 모듈이 활성화 상태로 진입하도록 지시하고, 제1 웨이크업 패킷은 OOK(On-Off Keying) 기법에 따라 변조되는, 단계; 및 복수의 무선 단말 중 적어도 하나의 무선 단말로부터 제1 웨이크업 패킷에 대한 응답으로 적어도 하나의 PS-폴 프레임이 수신되지 않을 때, 적어도 하나의 무선 단말을 위한 제2 웨이크업 패킷 및 상기 메인 라디오 모듈을 위한 하향링크 패킷을 OFDMA 기반으로 송신하되, 제2 웨이크업 패킷은 OOK 기법에 따라 변조되는, 단계를 포함한다.
摘要:
A vehicle communication system for wireless communication from a vehicle (6; 30), the apparatus comprising; a first transceiver (2) configured to establish a first communication channel (8) via a first wireless communications system and transmit a first signal to a communications server (10); and a second transceiver (4) configured to establish a second communication channel (12) 10 via a second wireless communications system and transmit a second signal to the communications server (10), the second communication channel comprising a satellite telecommunications channel, wherein the first and second transceivers (2, 4) are configured to transmit respective first and second signals simultaneously.
摘要:
A method, a computer-readable medium, and an apparatus are disclosed for energy efficient multichannel communications. In one aspect, the apparatus may communicate using a plurality of channels working in parallel where the plurality of channels may share an LNA. Additionally, the apparatus may determine a set of parameters for the plurality of channels to maximize energy efficiency. The apparatus may therefore configure the plurality of channels based on the set of parameters. As such, the apparatus supports multichannel communications with a common LNA structure while providing energy optimization for the multichannel communications. Accordingly, multichannel communications can be provided using a shared LNA structure that reduces implementation cost and more efficiently utilizes available power resources.
摘要:
Embodiments herein relate to a method performed by a first network node (110) for enabling at least one third network node (112) to operate on one or more frequency bands in a wireless communications network (100). First, the first network node (110) detects the presence of a second network node (111) in the wireless communications network (100), wherein the second network node (111) separately operates on said one or more frequency bands within a first radio coverage area (136) and on one or more frequency sub-bands within a second radio coverage area (136'), wherein said one or more frequency sub-bands are smaller than and forms a part of any of said one or more frequency bands. Then, the first network node (110) transmits information to at least one third network node (112) in the wireless communications network (100) on said one or more frequency bands indicating the presence of the second network node (111) in the wireless communications network (100). Embodiments of first network node (110) are also described. Embodiments herein also relate to a third network node (112) for operating on one or more frequency bands of a wireless communications network (100) and a method therein.