Invention Grant
- Patent Title: Analog fourier transform channelizer and OFDM receiver
- Patent Title (中): 模拟傅立叶变换信道化器和OFDM接收机
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Application No.: US11689816Application Date: 2007-03-22
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Publication No.: US07801228B2Publication Date: 2010-09-21
- Inventor: Mark Lehne , Sanjay Raman
- Applicant: Mark Lehne , Sanjay Raman
- Applicant Address: US VA Blacksburg
- Assignee: Virginia Tech Intellectual Properties, Inc.
- Current Assignee: Virginia Tech Intellectual Properties, Inc.
- Current Assignee Address: US VA Blacksburg
- Agency: Whitham Curtis Christofferson & Cook, P.C.
- Main IPC: H04K1/10
- IPC: H04K1/10

Abstract:
An OFDM receiver having an analog multiplier based I-Q channelizing filter, samples and holds consecutive analog I-Q samples of an I-Q baseband, the I-Q basebands having OFDM sub-channels. A lattice of analog I-Q multipliers and analog I-Q summers concurrently receives the held analog I-Q samples, performs analog I-Q multiplications and analog I-Q additions to concurrently generate a plurality of analog I-Q output signals, representing an N-point discrete Fourier transform of the held analog samples, the I-Q signals having relative phase and magnitude representing bits in the OFDM sub-channels. The phase and magnitude may represent QPSK. Optionally, a phase shift decoder receives the analog transform I-Q output signals and generates a corresponding binary bit data.
Public/Granted literature
- US20070223607A1 Analog Fourier Transform Channelizer and OFDM Receiver Public/Granted day:2007-09-27
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