Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-03-21
2006-03-21
Patel, Ajit (Department: 2664)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S338000, C370S356000
Reexamination Certificate
active
07016342
ABSTRACT:
A method and mobile terminal are disclosed for use in a wireless communication system in order for the mobile terminal to be able to transition from a dual mode, in which a packet switched connection and circuit switched connection are used together, to a single mode in which packets are transferred. The mobile terminal is for receiving minimum system information necessary to perform the transition in an uninterrupted manner, instead of an interrupted manner. This system information is broadcast to the mobile terminal on a regular basis, and is also sent to the mobile terminal partly or entirely by point-to-point transfer if a piece of the minimum system information is missing due to inadequate broadcast reception or some other reason. This system information is then employed by the mobile terminal to transition from the dual mode to the single mode in the uninterrupted manner.
REFERENCES:
patent: 2003/0169725 (2003-09-01), Ahmavaara et al.
patent: 2004/0184439 (2004-09-01), Blanc et al.
patent: 2004/0248615 (2004-12-01), Purkayastha et al.
3GPP TS 23-060 v6.3.0 (Dec. 2003); Technical Specification Group Services and System Aspects; General Packet Radio Service (GPRS); Service Description; Stage 2 (Release 6).
3GPP TS 45.008 v6.5.0 (Nov. 2003); Technical Specification Group GSM/EDGE; Radio Access Network; Radio Subsystem Link Control (Release 6).
3GPP TS 44.060 v6.5.0 (Dec. 2003); Mobile Station (MS)—Base Station System (BSS) Interface; Radio Link Control/Medium Access Control (RLC/MAC) Protocol (Release 6).
3GPP TS 44.018 v6.5.0 (Dec. 2003); Mobile Radio Interface Layer 3 Specification; Radio Resource Control (RRC) Protocol (Release 6).
3GPP TS 43.064 v6.1.0 (Aug. 2003); General Packet Radio Service (GPRS); Overall Description of the GPRS Radio Interface; Stage 2 (Release 6).
Kangas Antti O.
Vaittinen Rami
Nokia Corporation
Patel Ajit
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