| 摘要 |
In a TDMA/TDD communication system, uplink RF bursts are received by a number of antennas. Each RF burst contains TDMA signals identified by mobile-terminal identifiers. From each RF burst, the strength of the TDMA signals are detected and compared with the strengths of other RF bursts. For each mobile-terminal identifier, one antenna is selected as a best antenna with the highest strength, and a unique relationship is established in a memory between the selected antenna and the mobile-terminal identifier. A downlink TDM signal is disassembled into time slot signals, which are assembled, according to the relationships established in the memory, into N multicast burst groups. N is equal to the number of antennas selected during the uplink interval. An overhead is inserted to a header portion of each burst group. Overhead-inserted burst groups are converted into RF bursts during a downlink interval of the frame and are transmitted. |
