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Communication transmission system, digital wireless communication transmission system, devices, and method of digital communication

專利號
US10034272B2
公開日期
2018-07-24
申請人
FUJITSU LIMITED（JP Kawasaki）
發(fā)明人
Jianming Wu
IPC分類
H04W72/04; H04L1/18
技術(shù)領(lǐng)域
enb,packet,ue,unit,serving,data,reception,in,channel,wireless
地域： Kawasaki-shi, Kanagawa

摘要

A digital communication system including a terminal and a plurality of base stations. The terminal includes receiving of a first control channel which is transmitted only from the first base station, the received first control channel is configured to indicate resource assignment for both data transmitted from the first base station and data coordinately transmitted from the second base station, and is configured to indicate new data or retransmission data. The terminal a second control channel including first control information and second control information only to the first base station. The first control information is channel state information, and the second control information is Hybrid Automatic Repeat reQuest (HARQ) acknowledgement information for the received data coordinately transmitted. The second control information is based on a result of the HARQ process of the received data coordinately transmitted, and the second control channel is transmitted only to the first base station.

說明書

To hold generalities, a network is configured as a packet communication system including two wireless base stations for coordinately performing a service on a wireless mobile terminal (UE: User Equipment) such as a mobile telephone terminal etc. A packet communication system can be realized as, for example, an E-UTRA (Evolved Universal Terrestrial Radio Access) system in accordance with the LTE communication standard on which a standardizing operation is performed by 3GPP.

In the LTE etc., a base station is referred to as an eNode-B (evolved Node B). In the present embodiment, in the description below, a base station is referred to as an eNode-B or an eNB for short.

As illustrated in FIG. 1, one of the two wireless base stations is a serving base station (serving eNode-B, hereinafter referred to as a “serving eNB” or a “S-eNB” for short), and the other is referred to as a coordinated base station (coordinated eNode-B, hereinafter referred to as a “coordinated eNB” or a “C-eNB” as necessary). The determination as to which the eNB belongs, a serving eNB or a coordinated eNB, depends on the long-period power intensity received by each UE. Therefore, the positioning of the eNB for each UE can be different. As a reasonable definition, the long-period power intensity from the serving eNB received by each UE is higher than that of the coordinated eNB.

權(quán)利要求

1
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