CN101405986A

5G,4G

Title

Cell search method forward link frame transmission method apparatus using the same and forward link frame structure

Application Number:

CN20078009971

Publication Date:

08-04-2009

Current Assignee:

Family ID:

Application Date:

25-07-2007

Declaring Company:

Publication Country:

US

Priority Date:

25-07-2006

Title

Cell search method forward link frame transmission method apparatus using the same and forward link frame structure

Application Number:

CN20078009971

Family ID:

Publication Country:

US

Publication Date:

08-04-2009

Application Date:

25-07-2007

Priority Date:

25-07-2006

Current Assignee:

Declaring Company:

Abstract  Abstract

Honeycomb system using OFDM and at the middle thereof needed forward link synchronization channel common pilot frequency channel structure initial cell search method of mobile station and for transferring the adjacent cell search method. According to the invention the one kind in wireless communication system used for transmission of forward synchronous signal the method comprising: generate comprises multiple synchronous block of the whole frame and forward link by sending the frame multi-complement synchronization signal sequence of the frame comprises providing the synchronization block timing information of the main synchronous channel estimation sequence and providing the frame and timing information and wherein the combined frequency hop code word via the main synchronous channel sequence and the multiple complement synchronous channel sequence number is specified for specified cell identifier. Therefore can effective reducing cell search time and in OFDM system.

In a cellular system in which OFDM is used a forward link synchronization channel a common pilot channel structure an initial cell searching method of a mobile station and an adjacent cell searching method for handover are required. A method of transmitting a forward synchronization signal in a wireless communication system according to the present invention includes generating a frame comprised of a plurality of sync blocks; and transmitting the frame through a forward link wherein the frame comprises primary synchronization channel sequences which provide timing information of the sync blocks and a plurality of secondary synchronization channel sequences which provide timing information of the frame wherein a cell identifier is specified by a combination of the primary synchronization channel sequence and a hopping code word specified by the plurality of the secondary synchronization channel sequences Therefore the cell searching time can be efficiently reduced in an OFDM system.

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.