发明名称 Method, apparatus and computer program for power control related to random access procedures
摘要 A first power control adjustment state g(i) and a second power control adjustment state f(i) are initialized for i=0 to each reflect an open loop power control error. An initial transmit power for a shared uplink channel is computed using full pathloss compensation. The computed initial transmit power depends on a preamble power of a first message sent on an access channel, and the initial transmit power is initialized with the second power control adjustment state f(0). A third message is sent from a transmitter on an uplink shared channel at the initial transmit power. In various implementations, the power for i=0 on the uplink control channel is also initialized similar to the initial transmit power for the third message and using full pathloss compensation, and after the third message (and retransmissions of it), subsequent messages sent on the uplink shared channel are sent at a power that is computed using fractional pathloss compensation.
申请公布号 US2009286566(A1) 申请公布日期 2009.11.19
申请号 US20090387661 申请日期 2009.05.05
申请人 NOKIA SIEMENS NETWORKS OY 发明人 LINDHOLM JARI;KORHONEN JUHA S.
分类号 H04B7/00 主分类号 H04B7/00
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