Reducing mobile-terminated call set up by identifying and...

Details Reducing mobile-terminated call set up by identifying and... Reducing mobile-terminated call set up by identifying and...

2011-07-05

2011-07-05

Taylor, Barry W (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S445000

Reexamination Certificate

active

07974643

ABSTRACT:
In a Universal Mobile Telecommunications (UMTS) system, a mobile device reads scheduling information for uplink interference (SIB7) from a Master Information Block, broadcasted on the Broadcast Channel (BCCH). The UE wakes up from the sleep during its periodic paging occasions and reads the paging indicator channel (PICH). If the UE needs to read the PCH, then the UE computes the timing of the next broadcast of SIB7 using the scheduling information broadcast in the MIB on BCCH. Knowing the timing of the next SIB7, the UE can determine if there is an overlap. If overlap is detected, the mobile device demodulates both the paging channel carried by the Secondary Common Control Physical Channel (S-CCPCH) and the broadcast channel carried by the Primary CCPCH, avoiding a mobile-terminated (MT) call setup delay by waiting for the next SIB7 broadcast, which depending upon a SIB7 repetition ranges from 360 msec to 2.56 seconds.

REFERENCES:
patent: 2006/0111127 (2006-05-01), Jang
patent: 2008/0182577 (2008-07-01), Ng et al.
patent: 2008/0207228 (2008-08-01), Catovic et al.
patent: 2007127942 (2007-11-01), None
ETSI Standards, “Universal Mobile Telecommunications System (UMTS); Radio Resource Control (RRC); Protocol Specification (3GPP TS 25.331 version 7 2 0 Release 7); ETSI TS 125 331,” Sep. 2006, pp. 41-43 and 247-251 European Telecommunications Standards Institute, Sophia-Antipo, France, XP014035587.
International Search Report, PCT/US07/083592, International Search Authority, European Patent Office, May 7, 2008.
Written Opinion, PCT/US07/083592, International Search Authority, European Patent Office, May 7, 2008.
ETSI TS 125 331 v.7.2.0: “Universal Mobile Telecommmunications System (UMTS): Radio Resource Contro; (RRC); Protocol specification (3GPP TS 25.331 version 7.2.0 Release 7);” Sep. 2006, ETSI Standards, European Telecommunications Standards Institute, pp. 44-50.

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