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Method and equipment for acquiring and networking frequency point sets

An acquisition method and frequency point technology, which is applied in the field of networking methods and equipment, and the acquisition of frequency point collection, can solve the problems of large signaling overhead and increase the difficulty of planning in the system, and reduce the level of co-frequency interference and reduce co-frequency interference. The effect of frequency interference

Inactive Publication Date: 2011-05-18
DATANG MOBILE COMM EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

[0006] The disadvantage of the existing technology is that the dynamic frequency multiplexing technology TFFR requires the base station to judge which carrier frequency the terminal should camp on according to the channel state of the terminal and the interference level of the network, which brings a large signaling overhead to the system implementation. Furthermore, it is more difficult to plan when deploying a network adjacent to other manufacturers' equipment in the same city that has not adopted this technology
[0007] However, the networking scheme without TFFR technology cannot avoid the influence of co-channel interference on the service carrier frequency

Method used

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  • Method and equipment for acquiring and networking frequency point sets
  • Method and equipment for acquiring and networking frequency point sets
  • Method and equipment for acquiring and networking frequency point sets

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Embodiment Construction

[0044] In the embodiment of the present invention, a networking scheme with compressed transmission bandwidth applied to the networking of the multi-carrier frequency TD-SCDMA system will be proposed. By properly shifting the carrier frequency to obtain different sets of available frequency points, adjacent cells use carrier frequencies in different sets to form a network, and interlayer cells can be networked with the same frequency or different frequency sets with different frequencies. Effectively reduce the co-channel interference of inter-cell traffic channels under the premise of equipment overhead. Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0045] In the scheme of compressing the carrier frequency spacing (Channel Spacing) to increase the number of useful carrier frequencies within a given bandwidth to improve spectrum utilization, this scheme introduces more adjacent frequencies due to the asym...

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Abstract

The invention discloses a method and equipment for acquiring and networking frequency point sets. The method comprises the following steps of: determining a frequency point set comprising a plurality of frequency points in a frequency range used by a TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) system; acquiring at least one frequency point set through carrying out frequency deviation on the frequency point set; and furthermore, networking on the basis of the acquired frequency point sets. The invention does not introduce any computational complexity on realization, and the same frequency interference level of the whole network is effectively reduced through reasonable carrier frequency deviation in a given frequency range; and furthermore, through the scheme that carrier frequencies in different sets are networked in adjacent cells and non-adjacent cells can be networked with the same frequency, the same frequency interference of service channels between cells can be effectively reduced on the premise of no increase of the expense of the equipment.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a method and equipment for acquiring and networking a frequency point set. Background technique [0002] From the perspective of algorithm principle, when the unique joint detection and smart antenna technology of TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) are well applied, the breathing effect of TD-SCDMA system can be greatly reduced. At this time, it can be regarded as no longer an interference-limited system, but a code channel-limited system. However, due to the current practical application, due to many reasons such as equipment and network planning, joint detection and smart antennas have not achieved the expected performance, especially in order to improve the utilization of spectrum resources. -SCDMA system base station and terminal transceiver must work on the same frequency, which leads to the common channel and business channel of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/14H04W16/18
Inventor 陈东曹艳霞康绍莉熊芳
Owner DATANG MOBILE COMM EQUIP CO LTD
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