Invention Grant
- Patent Title: OFDM networks with pseudo-random phase precoding
- Patent Title (中): 具有伪随机相位预编码的OFDM网络
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Application No.: US12691291Application Date: 2010-01-21
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Publication No.: US08290074B2Publication Date: 2012-10-16
- Inventor: Ramesh Annavajjala , Philip V. Orlik , Jinyun Zhang
- Applicant: Ramesh Annavajjala , Philip V. Orlik , Jinyun Zhang
- Applicant Address: US MA Cambridge
- Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee: Mitsubishi Electric Research Laboratories, Inc.
- Current Assignee Address: US MA Cambridge
- Agent Dirk Brinkman; Gene Vinokur
- Main IPC: H04K1/10
- IPC: H04K1/10
Abstract:
In an orthogonal frequency division multiplexing (OFDM) network, a set of pseudo random sequences (PRS) are stored at a transmitter and a receiver. Each OFDM symbol is mapped to subcarriers for a set of transmit antennas to produce a mapped symbol. The mapped symbol is encoded using a pseudo-random phase precoder (PRPP) and the PRS to produce a precoded symbol. An inverse fast Fourier transform (IFFT) is applied to the precoded symbol, and the encoded symbol is transmitted to the receiver using the set of transmit antennas.
Public/Granted literature
- US20110176624A1 OFDM Networks with Pseudo-Random Phase Precoding Public/Granted day:2011-07-21
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