Method for allocating bandwidth for UE in communication network based on machine-type communication

A machine-type communication and user equipment technology, applied in machine-to-machine/machine-type communication services, wireless communication, network traffic/resource management, etc., can solve problems such as increasing the cost of MTC user equipment, and achieve cost-saving effects

Active Publication Date: 2014-01-22
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Abstract
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Problems solved by technology

But because the cost of the radio frequency unit accounts for about 40% of the total cost of the MTC user equipment, if the bandwidth of the MTC user equipment is increased, the cost of the MTC user equipment will be greatly increased

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  • Method for allocating bandwidth for UE in communication network based on machine-type communication
  • Method for allocating bandwidth for UE in communication network based on machine-type communication
  • Method for allocating bandwidth for UE in communication network based on machine-type communication

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Embodiment Construction

[0021] In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments in accordance with the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.

[0022] figure 1 It shows a schematic diagram of message transmission between the user equipment of the MTC and the base station eNB in ​​the prior art. As shown in the figure, this process is the process from the UE accessing the network until the RRC (Radio Resource Control) connection is released.

[0023] On...

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Abstract

The invention relates to a method for allocating a bandwidth for machine-type communication (MTC) UE in a base station of a communication system based on MTC, wherein the bandwidth of the MTC UE is smaller than an MTC system bandwidth. The method includes the following steps: receiving a first message from the MTC UE, wherein the first message indicates an offset of a bandwidth, which is selected by the MTC UE according to a predetermined selection strategy, relative to the system bandwidth and the selected bandwidth covers a center frequency band of the system bandwidth; and determining the bandwidth selected by the MTC UE according to the first message. According to the scheme of the invention, when the capacity of the MTC is expanded through distribution of a wider bandwidth, the MTC system bandwidth and a MTC device bandwidth can be expanded asymmetrically. The MTC device bandwidth can be maintained or the increase rate of the MTC device bandwidth can be reduced while the MTC system bandwidth is increased so that cost of a device in the communication system based on the MTC is saved.

Description

technical field [0001] The present invention relates to a communication system based on machine type communication, in particular to a method and a device for configuring bandwidth for machine type communication user equipment in a communication system based on machine type communication. Background technique [0002] Machine Type Communication (MTC) is a newly introduced item in the Long Term Evolution (LTE) system. The MTC user equipment is likely to be a meter device that executes a simple application and generates a small amount of data packets each time, such as an electric meter. Although the data packets generated by the MTC user equipment may be very small, many signaling interactions are required to upload these small data packets. So machine type communication takes up a certain amount of bandwidth. [0003] With the development of MTC, the number of MTC user equipment in the MTC-based communication system continues to increase, so the bandwidth 1.08MHz allocated...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/08H04W72/12H04W4/70
CPCH04W72/02H04W28/26H04W4/70H04W72/0453
Inventor 陈宇叶思根
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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