发明名称 |
Scattered Pilot Pattern And Channel Estimation Method For MIMO-OFDM Systems |
摘要 |
Methods and apparatus are provided for inserting data symbols and pilot symbols in an OFDM (orthogonal frequency division multiplexing) transmission resource utilizing frequency hopping patterns for the data symbols and/or the pilot symbols. Data symbols and pilot symbols are allocated for down link (base station to mobile station) and up link (mobile station to bases station) transmission resources in a two-dimensional time-frequency pattern. For each antenna of a MIMO-OFDM (multiple input multiple output OFDM) communication system, pilot symbols are inserted in a scattered pattern in time-frequency and data symbols are inserted in an identical frequency-hopping pattern in time-frequency as that of other antennas. |
申请公布号 |
US2016036611(A1) |
申请公布日期 |
2016.02.04 |
申请号 |
US201514832571 |
申请日期 |
2015.08.21 |
申请人 |
BLACKBERRY LIMITED |
发明人 |
Ma Jianglei;Jia Ming;Zhu Peiying;Tong Wen |
分类号 |
H04L27/26;H04L5/00;H04W52/42;H04B7/04 |
主分类号 |
H04L27/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
Waterloo CA |