Radio network controller (rnc) and method for optimising decision regarding operational states for an umts user equipment (ue)
First Claim
1. An infrastructure element in a wireless communication system, the infrastructure element comprising means for employing a radio resource control state model to determine transition(s) of a wireless communication unit between a plurality of operational states means for allocating wireless communication resources to said wireless communication unit of a plurality of wireless communication units dependent upon an operational state of said wireless communication unit, means for transitioning said wireless communication unit between the plurality of operational states based on a variable traffic profile of said wireless communication unit.
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Accused Products
Abstract
A Wireless communication s stem (100, 200) Comprises an infrastructure element that allocates wireless resources to one of a plurality of wireless communication units (112-116) dependent upon an operational state of the wireless communication unit. The infrastructure element transitions the wireless communication unit between a plurality of operational states based on a variable, service or quality of service accessed by the wireless communication unit. The transitional, preferably, used in a Radio Resource Controller (RRC) state model, are based on the QoS class of the service that, the communication unit is using. An improvement in signalling load results from reduced signalling procedures required for mobility management, session management and RRC connection management.
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Citations
13 Claims
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1. An infrastructure element in a wireless communication system, the infrastructure element comprising
means for employing a radio resource control state model to determine transition(s) of a wireless communication unit between a plurality of operational states means for allocating wireless communication resources to said wireless communication unit of a plurality of wireless communication units dependent upon an operational state of said wireless communication unit, means for transitioning said wireless communication unit between the plurality of operational states based on a variable traffic profile of said wireless communication unit.
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9-10. -10. (canceled)
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11. A method of reducing signalling load in a wireless communication system comprising an infrastructure element that allocates wireless resources to one of said plurality of wireless communication units dependent upon an operational state of a wireless communication unit, the method comprising the steps of:
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quantifying a cost function for a particular service or quality of service accessed by said wireless communication unit in order to transition between wireless communication unit operational states;
the method characterised by the steps of;
evaluating a cost function derivative to identify an algorithm parameter, wherein said cost function is dependent upon a variable traffic profile of a service or quality of service accessed by said wireless communication unit; and
transitioning said wireless communication unit between a plurality of operational states based on said evaluation. - View Dependent Claims (12)
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13-16. -16. (canceled)
Specification