Invention Grant
US07702000B1 Method and system for weight generation in an adaptive array with spread spectrum
有权
具有扩展频谱的自适应阵列中权重产生的方法和系统
- Patent Title: Method and system for weight generation in an adaptive array with spread spectrum
- Patent Title (中): 具有扩展频谱的自适应阵列中权重产生的方法和系统
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Application No.: US11352187Application Date: 2006-02-10
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Publication No.: US07702000B1Publication Date: 2010-04-20
- Inventor: James June-Ming Wang , Jack Winters
- Applicant: James June-Ming Wang , Jack Winters
- Applicant Address: US CA San Mateo
- Assignee: Motia Inc.
- Current Assignee: Motia Inc.
- Current Assignee Address: US CA San Mateo
- Agency: Patentry
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
The present invention comprises a method and system for weight generation in an adaptive array with spread spectrum signals. Signals received by each antenna are amplified, weighted and summed. Complex weighting is achieved by splitting the signal into inphase and quadrature components, and adjusting the gain of each of these components before combining these weighted components. The output signal after combining of the weighted signals from each antenna is downconverted to baseband, creating inphase and quadrature baseband components. The baseband components are multiplied by the spread spectrum sequence to despread the output signal and reduce the bandwidth of the desired spread spectrum signal to the original desired signal bandwidth. The signals received by each antenna are also downconverted to baseband inphase and quadrature components. Each of these components is multiplied by the spread spectrum sequence to despread the output signal and reduce the bandwidth of the desired spread spectrum signal to the original desired signal bandwidth. The despread/filtered individual antenna signals are multiplied by the despread/filtered output signal to generate antenna weights.
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