Invention Grant
- Patent Title: Synchronized broadcast/multicast communication
- Patent Title (中): 同步广播/组播通信
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Application No.: US12985328Application Date: 2011-01-05
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Publication No.: US08737538B2Publication Date: 2014-05-27
- Inventor: Matthew S. Grob , Peter J. Black , Srikant Jayaraman , Paul E. Jacobs
- Applicant: Matthew S. Grob , Peter J. Black , Srikant Jayaraman , Paul E. Jacobs
- Applicant Address: US CA San Diego
- Assignee: Qualcomm Incorporated
- Current Assignee: Qualcomm Incorporated
- Current Assignee Address: US CA San Diego
- Agent S. Hossain Beladi
- Main IPC: H04L27/28
- IPC: H04L27/28 ; H04B7/216 ; H04H20/71

Abstract:
Synchronized broadcast transmits a same broadcast content using a same waveform from multiple transmitters. Transmitters each apply a same spreading code for broadcast transmissions. In a spread-spectrum communication system having a time division multiplexed forward link, a synchronized broadcast transmission is inserted into a broadcast slot. One embodiment employs an Orthogonal Frequency Divisional Multiplex (OFDM) waveform for the synchronized broadcast. An OFDM receiver is then used to process the received synchronized broadcast transmission. An alternate embodiment implements a broadcast Pseudo-random Noise (PN) code for use by multiple transmitters. An equalizer is then employed to estimate the synchronized broadcast transmission.
Public/Granted literature
- US20110134823A1 SYNCHRONIZED BROADCAST/MULTICAST COMMUNICATION Public/Granted day:2011-06-09
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