Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peiying Zhu0
Wen Tong0
Hang Zhang0
Jianglei Ma0
Ming Jia0
Mo-Han Fong0
Date of Patent
September 20, 2011
0Patent Application Number
116304730
Date Filed
June 22, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The soft handoff in an OFDMA system. If the pilot signal strength for a base station exceeds the defined threshold, the base station is added to an active set list. Subcarriers in a plurality of orthogonal frequency division multiplexing (OFDM) symbols are divided and allocated into subchannels. The OFDM symbols are divided and multiplexed. A soft handoff zone with a first dimension of the subchannels and a second dimension of the divided and multiplexed OFDM symbols is defined. The soft handoff zone have subcarriers with a subchannel definition, for example, an identical permutation.
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