发明名称 |
MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) MODE OPTIMIZATION FOR LOW DATA RATES SERVICES |
摘要 |
A method and an apparatus are provided for efficient transmission of low-data-rate packet services in a multiple-input multiple-output (MIMO) mode of operations in the presence of high-data-rate packet services. Precoding weight information (PWI) is signaled implicitly to a wireless transmit receive unit (WTRU). A precoding weight vector is signaled in a high speed shared control channel less (HS-SCCH-less) transmission using a new HS-SCCH type P. This explicit PWI signaling approach transmits the PWI with minimum power overhead. The data carried in the HS-SCCH type P is encoded to minimize the required transmitted power. A channel type HS-SCCH type 2M is also described.
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申请公布号 |
US2009034461(A1) |
申请公布日期 |
2009.02.05 |
申请号 |
US20080141828 |
申请日期 |
2008.06.18 |
申请人 |
INTERDIGITAL TECHNOLOGY CORPORATION |
发明人 |
PELLETIER BENOIT;CAVE CHRISTOPHER R.;MARINIER PAUL;ZEIRA ELDAD M.;PIETRASKI PHILIP J. |
分类号 |
H04W72/04;H04L27/28 |
主分类号 |
H04W72/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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