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Multi-band handover via an adaptive handover threshold

A switching threshold and multi-band technology, applied in wireless communication, electrical components, etc., can solve the problems of not distinguishing between different frequency bands, and the coverage nature of individual frequency bands is not recognized.

Active Publication Date: 2013-01-23
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, existing handover mechanisms do not distinguish between different frequency bands, so that the coverage properties of individual frequency bands may not be recognized under different radio conditions

Method used

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Embodiment Construction

[0024] figure 1 Shown is a schematic diagram of a method for adjusting a switching threshold for switching between a first frequency band and a second frequency band. The method comprises determining 101 a cell throughput of a communication cell, and correcting 103 a handover offset of a handover threshold according to the cell throughput.

[0025] like figure 1 As shown, an intelligent switching scheme is provided in the shared coverage area between e.g. high band and low band, such that the power budget for lower bands such as the first band can be reserved for shared coverage between high band and low band User equipment outside the region. Preferably, inter-band handover is different from inter-carrier handover, because carriers in different frequency bands are handled differently from carriers in the same frequency band. Furthermore, when varying the resulting handover threshold, including conventional handover thresholds and variable handover offsets, the actual downl...

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Abstract

Multi-band handover via an adaptive handover threshold The invention relates to a method for adapting a handover threshold for handover between a first frequency band and a second frequency band in a multi-band communication arrangement to communication conditions in a communication cell. The method comprises determining (101) a cell throughput of the communication cell, and amending (103) a handover offset of the handover threshold in dependency on the cell throughput.

Description

Background technique [0001] The present invention relates to handover operations in multi-band communication arrangements. [0002] Possibility that a single MBB technology like HSPA+ or LTE (HSPA: High Speed ​​Packet Access; LTE: Long Term Evolution) can operate on different frequency bands as more and more spectrum becomes available for MBB due to 2G reform or 2.6G technology etc. Also increasing. From a standard point of view, different frequency bands can be regarded as different carriers. However, existing handover mechanisms do not distinguish between different frequency bands, so that the coverage properties of individual frequency bands may not be recognized under different radio conditions. Contents of the invention [0003] One object to be achieved by the present invention is to provide an efficient switching mechanism in a multi-band communication layout supporting application priority according to frequency bands under different radio conditions. [0004] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00
CPCH04W36/0083H04W36/00837H04W36/0085H04W36/00838
Inventor 林杰
Owner HUAWEI TECH CO LTD
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