US6385180B1

3G

Title

HIGH-SPEED CELL SEARCH SYSTEM FOR CDMA

Application Number:

US19980098415

Publication Date:

07-05-2002

Current Assignee:

Family ID:

Application Date:

16-06-1998

Publication Country:

US

Priority Date:

16-06-1997

Declaring Company:

Abstract  Abstract

In a high-speed search system for CDMA plural (M) symbols which are subjected to spread frequency coding with a spreading code called as a short code are prepared when synchronization of the spreading code is established before synchronization of carrier is established in a mobile station used in a CDMA cellular system data which are obtained by forming an orthogonal code with the polarities of the M symbols are set as a down signal and when the orthogonal code concerned is detected coherent integration is performed by a correlator having combinations of the polarities which can be possibly taken by the code over the plural symbols (of M) constituting the code.

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.