| 摘要 |
A base station, relay station, computing apparatus, and reference signal transmission, allocation, and receiving methods thereof are provided. For each the antennas, the BS perform the following operations: (i) generating a BS superframe comprising a first kind frame and a second kind frame, each of the first and second kind frames comprising a plurality of subframes and defining a downlink access zone and a downlink relay zone, (ii) allocating allocates a reference signal of the antenna in a first OFDM symbol in only one of the subframes in the first kind frame, the first OFDM symbol belonging to the downlink access zone of the first kind frame, and (iii) allocating the reference signal in a second OFDM symbol in only one of the subframes, the second OFDM symbol belonging to the downlink access zone or the downlink relay zone.
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