CN1788439A

5G,4G,3G

Title

SYNCHRONIZED BROADCAST/MULTICAST COMMUNICATION

Application Number:

CN2005800366

Publication Date:

14-06-2006

Current Assignee:

Family ID:

Application Date:

20-01-2005

Declaring Company:

Publication Country:

US

Priority Date:

20-01-2004

Title

SYNCHRONIZED BROADCAST/MULTICAST COMMUNICATION

Application Number:

CN2005800366

Family ID:

Publication Country:

US

Publication Date:

14-06-2006

Application Date:

20-01-2005

Priority Date:

20-01-2004

Current Assignee:

Declaring Company:

Abstract  Abstract

synchronously broadcast with the same waveform from multiple transmitters transmit the same broadcast content. spreading code of the transmitter are each the same for broadcast transmission applications. in the spread spectrum communication system when it has a division multiplexing forward link a synchronized broadcast transmission is inserted into a broadcast time slot. One embodiment for the synchronous broadcast employing orthogonal frequency division multiplexing (OFDM). OFDM receiver is then used to process the received synchronized broadcast transmission. The embodiment can be replaced with the broadcast pseudo-random noise (PN) codes used by the plurality of transmitters. then using the equalizer to estimate the synchronized broadcast transmission.

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.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.