Invention Grant
US08131211B2 XM radio satellite reception without degrading coverage in XM terrestrial markets
有权
XM无线电卫星接收，而不降低XM陆地市场的覆盖范围
- Patent Title: XM radio satellite reception without degrading coverage in XM terrestrial markets
- Patent Title (中): XM无线电卫星接收，而不降低XM陆地市场的覆盖范围
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Application No.: US12060234Application Date: 2008-03-31
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Publication No.: US08131211B2Publication Date: 2012-03-06
- Inventor: Matt C. Videtich
- Applicant: Matt C. Videtich
- Applicant Address: US MI Detroit
- Assignee: General Motors LLC
- Current Assignee: General Motors LLC
- Current Assignee Address: US MI Detroit
- Agency: Leydig, Voit & Mayer, Ltd.
- Main IPC: H04B7/185
- IPC: H04B7/185 ; H04L27/08
Abstract:
A system is provided for enhancing coverage for a mobile satellite service, the system comprising a signal threshold comparator module for monitoring a predetermined threshold for a satellite service signal received on a first frequency band, a signal gain block operable to vary amplification of the satellite service signal received on a second frequency band in response to the threshold, and a satellite receiver for decoding the satellite service signal received on the first and second frequency bands.
Public/Granted literature
- US20090247073A1 XM Radio Satellite Reception Without Degrading Coverage in XM Terrestrial Markets Public/Granted day:2009-10-01
Information query
