Multiplex communications – Communication over free space – Combining or distributing information via code word channels...
Reexamination Certificate
2005-11-29
2005-11-29
Rao, Seema S. (Department: 2666)
Multiplex communications
Communication over free space
Combining or distributing information via code word channels...
C370S479000, C370S522000
Reexamination Certificate
active
06970447
ABSTRACT:
Multiple carriers are used to provide access to a wireless communication system. A first carrier transmits synchronization messages in accordance with the IS-95B standard (communication protocol revision 5). The synchronization message directs mobiles attempting to access the network to a paging channel on the first carrier. The paging channel enables mobiles conforming to a standard of IS-2000 revision 0 or older to access the wireless network. The paging channel also includes an extended global service redirection message (EGSRM) that instructs mobiles conforming to the IS-2000 revision A standard (communication protocol revision 7) to use a synchronization channel on a second carrier for reception of an IS-2000 revision A synchronization message. The IS-2000 revision A (communication protocol revision 7) synchronization message instructs the mobile to access the wireless communication network using a BCCH and/or FCCCH on the second carrier, or using a BCCH and/or FCCCH on the first carrier.
REFERENCES:
patent: 6363242 (2002-03-01), Brown et al.
patent: 6389298 (2002-05-01), Abramovici et al.
patent: 2003/0161283 (2003-08-01), Tiedemann et al.
Burgess John K
Pearson Orlett Wanda
Pittampalli Eshwar
Rossetti David Albert
Zhu Lily H
Harper Kevin C.
Lucent Technologies - Inc.
Malvone Christopher
Rao Seema S.
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