Invention Grant
- Patent Title: Digital audio/video broadcast on cellular systems
- Patent Title (中): 蜂窝系统上的数字音频/视频广播
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Application No.: US10483688Application Date: 2002-07-12
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Publication No.: US07986724B2Publication Date: 2011-07-26
- Inventor: Jeffrey Allen Cooper , Kumar Ramaswamy
- Applicant: Jeffrey Allen Cooper , Kumar Ramaswamy
- Applicant Address: FR Boulogne-Billancourt
- Assignee: Rhomson Licensing
- Current Assignee: Rhomson Licensing
- Current Assignee Address: FR Boulogne-Billancourt
- Agent Robert D. Shedd; Robert B. Levy; Jeffrey D. Hale
- International Application: PCT/US02/22556 WO 20020712
- International Announcement: WO03/007580 WO 20030123
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
A method for providing information to a plurality of wireless mobile communication devices. The method includes dedicating at least one channel of a plurality of spread spectrum data channels as a broadcast channel. The frequency and phase of a carrier signal and of a chip rate clock of the at least one channel are synchronized for each of a plurality of cell transmitters of a respective plurality of base stations. The Information is then broadcast over the at least one dedicated channel from each base station.
Public/Granted literature
- US20040174927A1 Digital audio/video broadcast on cellular systems Public/Granted day:2004-09-09
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