マルチキャリアＬＢＴプロトコルにおける競合ウィンドウの適応化

Japanese Patent JP6606596

B2

A method and network node for adaptation of contention windows in a multicarrier wireless communication system implementing a listen-before-talk protocol are disclosed. According to one aspect, a method includes determining at least one component carrier (CC), of multiple CCs to serve as a backoff channel. The method further includes performing a listen-before-talk procedure on the at least one CC serving as a backoff channel. The listen-before-talk procedure includes sensing for each backoff channel whether a clear channel exists during a backoff period drawn from a contention window (CW). The LBT procedure also includes deferring transmitting on a CC for which the sensing does not indicate that a clear channel exists. The LBT procedure also includes transmitting on a CC for which the sensing indicates a clear channel exists. The method also includes determining a size of the CW based on at least one transmission feedback value.

Mukherjee, Amitab
Farahti, Soloul
Falconetti, Laetitia
Karaki, Ream
Kang, Duho
Larson, Daniel
Coola Patty, Habish
Chen, Jun-hu

JP2018506871A

November 13, 2019

July 08, 2016

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Telefon Acty Bora Get Erm Ericson (Pubble)

H04W74/08; H04W16/14; H04W72/04

US20110096747

Qualcomm Incorporated,Multi-carrier LBT operation for LAA[online],3GPP TSG-RAN WG1#81 R1-152784,2015年 5月16日,[検索日2019.02.20], インターネット, 3.2節
Huawei, HiSilicon,Description of candidate LBT schemes[online],3GPP TSG RAN WG1 adhoc_LTE_LAA_1503 R1-150978,2015年 3月17日,[検索日2019.02.20], インターネット, 2.4節

Yasunori Otsuka
Yasuhiro Otsuka
Shiro Takayanagi
Osamu Shimoyama
Takashi Sakamoto
Takahiro Oto
Yoshito Haruto
Koji Maeda
Mioko Watanabe

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