H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2256435
In a communications network, a remote unit (125) communicates with another user (30) via at least one base station (B1A). The network has a plurality of base stations (B1A-B1E) controlled by a mobile switching center (MSC-I). Each base station of the plurality of base stations (B1A-B1E) transmits an identifying pilot signal. Defining an area in which communication between a set of the base stations and the remote unit (125) is forbidden, an auxiliary antenna (130) transmits a silent region identifying pilot signal. The remote unit (125) measures a signal strength of a set of identifying pilot signals corresponding to a neighbor set of base stations (B2A-B2E) and measures a signal strength of the silent region identifying pilot signal. The remote unit (125) sends a pilot strength measurement report to the mobile switching center (MSC-I) via a first base station (B1A) with which the remote unit (125) has established communication. A handoff of the established communication between the remote unit (125) and the first base station (B1A) is initiated if the pilot strength measurement report comprises an entry corresponding to the silent region identifying pilot signal.
Dans un réseau de communication, une unité distante (125) communique avec un autre utilisateur (30) via au moins une station de base (B¿1A?). Le réseau possède plusieurs stations de base (B¿1A?-B¿1E?) commandées par un centre de commutation mobile (MSC-I). Chaque station de base transmet un signal pilote d'identification. Une zone dans laquelle la communication entre un ensemble de stations de base et l'unité à distance (125) est interdite, est définie grâce à une antenne auxiliaire (130) qui transmet un signal pilote d'identification de région silencieuse. L'unité à distance (125) mesure la force d'un signal d'un ensemble de signaux pilote d'identification qui correspondent à un ensemble voisin de stations de base (B¿2A?-B¿2E?) et mesure l'intensité du signal pilote d'identification de la zone silencieuse. L'unité à distance (125) envoie un rapport de mesure d'intensité du signal pilote au centre de commutation mobile (MSC-I) via une première station de base (B¿1A?) avec laquelle l'unité à distance (125) a établi la communication. Un transfert de la communication établie entre l'unité à distance (125) et la première station de base (B¿1A?) est initié si le rapport de mesure de l'intensité du signal pilote comprend une entrée correspondant au signal pilote d'identification de la zone silencieuse.
Weaver Lindsay A. Jr.
White Katherine W.
Qualcomm Incorporated
Smart & Biggar
LandOfFree
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