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US 7,069,013 B2Granted
High integrity radio access network client reallocation in a wireless communication network
AssigneeMotorola, Inc.
InventorsJoseph Pedziwiatr, Paul Steinberg, William S. Pierce, Richard James Malcolm, Daniel Francis Tell, Brian Jack Moore
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Abstract
A wireless communication system (10) uses communications bridging functions to establish redundant communication paths (32, 34, 44, 46) between redundant radio access network session clients (36, 38), a core system 16 and a base transceiver station (40). The system (10) carries out a handoff or reallocation of call control from one of the radio access network session clients (36, 38) to another one of the radio access network session clients (36, 38) based on the integrity of the redundant communication paths (32, 34, 44, 46).
Claims16
A wireless communication system, comprising:
- a core system adapted to establish a first set of redundant communication paths between the core system and respective first and second radio access network session clients associated with respective first and second locations within the wireless communication system;
- and
- a base transceiver station adapted to establish a second set of redundant communication paths between the base transceiver station and the respective first and second radio access network session clients, wherein the first and second sets of redundant communication paths are adapted to simultaneously convey communications associated with a mobile communication device and wherein one of the core system and the base transceiver station is adapted to determine the integrity of a communication path from the first and second sets of redundant bearer communication paths using frame erasure rates and to determine the integrity of a communication path from the first and second sets of redundant control communication paths using sequence numbers.
A wireless communication system, comprising:
- a core system having a first bridging function adapted to establish a first set of redundant communication paths between the core system and a plurality of radio access network session clients;
- and
- a base transceiver station having a second bridging function adapted to establish a second set of redundant communication paths between the plurality of radio access network session clients and the base transceiver station, wherein the first and second sets of redundant communication paths are adapted to simultaneously convey communications associated with a mobile communication device and wherein one of the core system and the base transceiver station is adapted to determine the integrity of a communication path from the first and second sets of redundant bearer communication paths using frame erasure rates and to determine the integrity of a communication path from the first and second sets of redundant control communication paths using sequence numbers.
A wireless communication system, comprising:
- a core system;
- and
- a base transceiver station, wherein the core system and the base transceiver station are adapted to convey communications associated with a mobile communication device using a plurality of redundant communication paths and a plurality of redundant radio access network session clients wherein the first and second sets of redundant paths are adapted to simultaneously convey communications associated with a mobile communication device and wherein one of the core system and the base transceiver station is adapted to determine the integrity of a communication path from the first and second sets of redundant bearer communication paths using frame erasure rates and to determine the integrity of a communication path from the first and second sets of redundant control communication paths using sequence numbers.
A wireless communication system, comprising:
- a core system;
- and
- a plurality of communicatively coupled radio access networks, wherein each of the plurality of communicatively coupled radio access networks is adapted to establish redundant communication paths for a mobile device and wherein each of the radio access networks is adapted to establish a radio access network session client associated with the redundant communication paths and wherein one of the core system and the radio access networks are adapted to determine the integrity of a communication path from the first and second sets of redundant bearer communication paths using frame erasure rates and to determine the integrity of a communication path from the first and second sets of redundant control communication paths using sequence numbers.
Dependencies are inferred from the claim text.