发明名称 |
METHOD, SYSTEM, AND APPARATUS FOR DETERMINING UPLINK TRANSMISSION POWER IN TIME DIVISION DUPLEX SYSTEM |
摘要 |
<p>A method for determining uplink transmission power in time division duplex system is disclosed: a base station determines the current distribution manner of uplink and downlink sub-frames, acquires the frame correspondence information that corresponds to the distribution manner of said uplink and downlink sub-frames, selects, based on said frame correspondence information, downlink sub-frames to transmit to a terminal the power control (TPC) commands that correspond to the uplink sub-frames. Before using the uplink sub-frames to transmit data, the terminal determines the current distribution manner of uplink and downlink sub-frames, acquires the frame correspondence information that corresponds to the distribution manner of said uplink and downlink sub-frames, determines, based on the frame correspondence information, the downlink sub-frames that are used for transmitting the TPC commands; acquires the TPC commands received by the downlink sub-frames, and determines the data transmission power of the uplink sub-frames based on said TPC commands. The present invention also discloses a time division duplex data transmission system and an apparatus therefor. With the present invention, a time division duplex system can transmit and receive TPC commands based on the frame correspondence information, thereby enabling correct and effective uplink power control performance.</p> |
申请公布号 |
WO2009129698(A1) |
申请公布日期 |
2009.10.29 |
申请号 |
WO2009CN00444 |
申请日期 |
2009.04.27 |
申请人 |
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD;PAN, XUEMING;SUO, SHIQIANG;XIAO, GUOJUN;DING, YU |
发明人 |
PAN, XUEMING;SUO, SHIQIANG;XIAO, GUOJUN;DING, YU |
分类号 |
H04W52/04 |
主分类号 |
H04W52/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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