Title:
COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND BASE STATION COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/244152
Kind Code:
A1
Abstract:
According to this communication system, communications are performed between base stations and terminal stations via a relay station. A first base station transmits a first signal to the relay station. A second base station transmits a second signal having the same information as the first signal to the relay station. The relay station transmits the first signal and the second signal or transmits a combined signal obtained by combining the first signal and the second signal to the terminal stations. The first base station executes delay processing that delays the transmission of the first signal by a first delay time. A reception time difference is the difference between a timing at which the first signal reaches the relay station and a timing at which the second signal reaches the relay station when the delay processing is not executed. On the basis of reception time difference information indicating the reception time difference, the first base station sets the first delay time such that the first signal and the second signal are received in phase with each other by the relay station.
Inventors:
NISHINO MITSURU (JP)
SHIBAYAMA HIROKI (JP)
YAMASHITA FUMIHIRO (JP)
SHIBAYAMA HIROKI (JP)
YAMASHITA FUMIHIRO (JP)
Application Number:
PCT/JP2021/019022
Publication Date:
November 24, 2022
Filing Date:
May 19, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04W84/06; H04W16/26
Foreign References:
| JP2019121909A | 2019-07-22 | |||
| JP2011250014A | 2011-12-08 | |||
| JP2007324960A | 2007-12-13 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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