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A method of channel allocation for a mobile terminal moving in a cellular communication network

A technology of cellular communication network and mobile terminal, which is applied in the field of channel allocation of mobile terminals moving in the cellular communication network, can solve problems such as infeasibility, and achieve the effects of easy application, reduced delay, and improved communication network performance

Inactive Publication Date: 2004-06-16
NOKIA CORP
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Problems solved by technology

[0023] However, this solution is not feasible in networks or areas that only have a network layout of micro cells (cells are represented by small letters in Figure 1)

Method used

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  • A method of channel allocation for a mobile terminal moving in a cellular communication network
  • A method of channel allocation for a mobile terminal moving in a cellular communication network
  • A method of channel allocation for a mobile terminal moving in a cellular communication network

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Embodiment Construction

[0067] The present invention will now be described in detail with reference to the accompanying drawings.

[0068] As described above, for a mobile terminal MS moving in the cellular communication network NW, channel allocation is performed in order to detect the speed v of the mobile terminal MS moving in the network, and according to the detected speed v, to the A mobile terminal MS is assigned a certain type of channel.

[0069] This means that if the speed of the mobile terminal exceeds a certain speed threshold, then in the cellular network, the mobile terminal in motion is considered as a "fast" mobile terminal and is assigned a talk channel of half rate HR or 1 / 4 rate QR. Therefore, relative to the full rate FR channel, the proportion of idle frames is increased. This will greatly increase the speed of decoding synchronization channel SCH data (contained in 51-multiframes) from neighboring cells. This will reduce the minimum interval between successive inter-cell hand...

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Abstract

The present invention proposes a method of channel allocation for a mobile terminal moving in a cellular communication network , said method comprising the steps of: detecting the 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. 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 unsuccessful 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.

Description

technical field [0001] The present invention relates to a channel allocation method for moving mobile terminals in a cellular communication network Background technique [0002] Cellular communication networks such as the GSM network system have been widely spread in recent years with increasing demand for mobile communication. [0003] Figure 1 shows a rough overview of a part of a cellular communication network. Generally, the network area served by the network consists of independent cells C1, C2, C3... and / or c1,...c7. Each cell is served in turn by a respective base station BS or base transceiver station BTS (not shown in each cell). Such base station BS coverage areas are defined by cell radii R and / or r. Both the coverage area and the cell radius can be adjusted by the transmit power used by the transmitter of the base station BTS. [0004] Therefore, depending on the applied BTS transmission power, the network can be composed of so-called macro cells, i.e. cells ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W36/18
CPCH04L1/0002H04W36/08H04W64/006Y02B60/31H04W24/10H04W72/04H04W36/18H04L1/0015Y02D30/50H04W36/00692
Inventor 哈里·泊斯蒂祖卡·佩尔托拉
Owner NOKIA CORP
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