H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 11/00 (2006.01) H04Q 7/38 (2006.01) H04J 13/02 (2006.01) H04J 13/00 (2006.01)
Patent
CA 2349220
A handoff method in a CDMA communication system using Walsh codes and quasi-orthogonal codes. To implement a handoff, a new base station to which a call is switched notifies a serving base station of an available quasi-orthogonal code, if the new base station has no available Walsh codes. The serving base station transmits a handoff direction message to a mobile station and the mobile station communicates with the new base station using the quasi-orthogonal code included in the handoff direction message.
L'invention concerne un procédé de transfert destiné à être mis en oeuvre dans un système de communication AMCR utilisant des codes de Walsh et des codes quasi orthogonaux. Pour effectuer un transfert, une nouvelle station de base (BS), vers laquelle un appel est commuté, communique à une station de base de desserte un code quasi orthogonal disponible, si cette nouvelle station de base n'a aucun code de Walsh disponible. La station de base de desserte transmet alors un message de direction de transfert (HDM) à une station mobile (MS), laquelle communique avec la nouvelle station de base au moyen du code quasi orthogonal inclus dans ledit message de direction de transfert.
Kim Dae-Gyun
Koo Chang-Hoi
Samsung Electronics Co. Ltd.
Smart & Biggar
LandOfFree
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