Method of channel allocation for a mobile terminal moving in a cellular communication network
First Claim
1. A method of channel allocation for a mobile terminal moving in a cellular communication network, said method comprising the steps of:
- detecting a speed of said mobile terminal moving in said network; and
dependent on said detected speed, allocating a channel of a specific type to said mobile terminal, whereinif said detected speed is below a first speed threshold, a first channel of a specific type is allocated to said mobile terminal, andsaid first speed threshold is predetermined based on a cell radius of cells constituting the network and an expected number of handovers occurring for the mobile terminal moving at a given speed via the network.
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Abstract
The present invention proposes a method of channel allocation for a mobile terminal (MS) moving in a cellular communication network (NW), said method comprising the steps of: detecting (S21) the speed of said mobile terminal (MS) moving in said network, and dependent on said detected speed (S23, S25), allocating (S24, S26, S27) a channel of a specific type to said mobile terminal (MS). Accordingly, with the present invention implemented, delays in neighbor cell SCH decoding and signal level measurement are significantly reduced and may thus no longer result in incomplete data for inter-cell handover decision or even unsuccessfull handovers. Hence, communication network performance in particular in connection with handovers in a cellular network layout is improved. The present invention also concerns an accordingly adapted device for channel allocation.
21 Citations
25 Claims
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1. A method of channel allocation for a mobile terminal moving in a cellular communication network, said method comprising the steps of:
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detecting a speed of said mobile terminal moving in said network; and dependent on said detected speed, allocating a channel of a specific type to said mobile terminal, wherein if said detected speed is below a first speed threshold, a first channel of a specific type is allocated to said mobile terminal, and said first speed threshold is predetermined based on a cell radius of cells constituting the network and an expected number of handovers occurring for the mobile terminal moving at a given speed via the network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A device adapted to allocate a channel to a mobile terminal moving in a cellular communication network, said device comprising:
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detecting means adapted to detect a speed of said mobile terminal moving in said network; and control means adapted to allocate a channel of a specific type to said mobile terminal dependent on said detected speed, wherein said control means is adapted to allocate a first channel of a specific type to said mobile terminal, if said detected speed is below a first speed threshold, and said first speed threshold is predetermined based on a cell radius of cells constituting the network and an expected number of handovers occurring for the mobile terminal moving at a given speed via the network. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification