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TRANSMISSION MODE SELECTION AND DOWNLINK SCHEDULING USING PRIMARY AND DEDICATED PILOT SIGNALS
TRANSMISSION MODE SELECTION AND DOWNLINK SCHEDULING USING PRIMARY AND DEDICATED PILOT SIGNALS
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机译:使用主要和专用飞行员信号的传输模式选择和下行链路调度
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摘要
A method and system for probing in a wireless communication network are disclosed. According to one aspect, a method includes directing at least one low power node to transmit a probing signal, where the probing signal includes least one code. The method also includes receiving from a wireless terminal an indication of downlink channel quality. The channel quality is based on a power of the probing signal received by the wireless terminal. The method further includes selectively directing at least one of the at least one low power node to communicate with the wireless terminal. The selecting is based on the indication of downlink channel quality. ADDITIONAL DETAILS: Het-nets within UMTS (W-CDMA) environment; a combined cell concept (a.k.a. soft cell or shared cell) where the macro-cell (MBS) and the micro / pico /femto cells (LPN) within it share one single cell-id (a.k.a. CoMP Scenario 4) with Dynamic Point Selection (DPS), where a UE is served by the closest LPN only; DIFFERENCE: the MBS instructs the LPN's to broadcast a probing signal constituted by a pilot signal plus a scrambling plus a channelization codes; in return, the UE return a report to the MBS, which is used by the MBS to decide which LPN serves which UE.
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