Mobility manager in a wireless IP core network

Details Mobility manager in a wireless IP core network Mobility manager in a wireless IP core network

2006-09-19

2006-09-19

Beamer, Temica (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S432100, C455S433000, C455S435100

Reexamination Certificate

active

07110764

ABSTRACT:
The functions performed by a mobile switching center (MSC) may be divided between two entities. A mobile control function performs mobility management functions such as roaming control, implementing hand-off, and coordinating bearer traffic flow. A call agent performs call control functions such as call setup, call tear down, and advanced call features such as call hold, call waiting, etc. The call agent is preferably unaware of mobile specific interfaces and can support multiple access network types including cable, DSL, PSTN, etc. This provides feature transparency for users as they use devices in each of the access domains.

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Handley, et al., RFC 2543 “SIP: Session Initiation Protocol,” IETF, Mar. 1999.
Arango et al., RFC 2705 “Media Gateway Control Protocol (MGCP),” IETF, Oct. 1999.
Yeong, et al., RFC 1777 “LDAP,” IETF, Mar. 1995.
Ong, et al., RFC 2719 “Framework Architecture for Signaling Transport,” IETF, Oct. 1999.
Rappaport, Theodore S.,Wireless Communications, Upper Saddle River, NJ 1996, Ch. 9, pp. 14-20.

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