Frequency planning method and apparatus for multicarrier system

A multi-carrier system, frequency planning technology, applied in network planning, advanced technology, electrical components, etc., can solve problems such as aggravation, and achieve the effect of small changes and simple implementation

Active Publication Date: 2015-05-20
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This effect is further exacerbated when the carrier frequency spacing is no longer uniform

Method used

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  • Frequency planning method and apparatus for multicarrier system
  • Frequency planning method and apparatus for multicarrier system
  • Frequency planning method and apparatus for multicarrier system

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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] In order to better explain the present invention, first introduce the frequency planning of the S333 cell when unequal carrier frequency intervals are applied. image 3 A schematic diagram of multi-cell carrier frequency allocation with unequal carrier frequency spacing is shown. Wherein, A312 (A322, A332), A315 (A325, A335), and A316 (A326, A336) respectively correspond to the guard intervals for frequency resource allocation of the three sectors. Among them, A313, A323, and A333 respectively correspond to the main carrier frequ...

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Abstract

The embodiment of the invention brings forward a frequency planning method for a multicarrier system. The method comprises the following steps: obtaining available frequency spectrum resources and determining an available bandwidth for networking and channel spacing; Selecting a frequency point set of a carrier wave based on the available bandwidth for networking and the channel spacing, wherein an occupied bandwidth of a main channel is larger than that of an auxiliary channel; and distributing the main channel and the auxiliary channel of the frequency point set of the carrier wave to corresponding sectors of a service area. The embodiment of the invention also provides a frequency planning apparatus for the multicarrier system. And the apparatus comprises a configuration module, an operation module and a distribution module. According to the method and the apparatus provided in the embodiment of the invention, interference of common channels is reduced by arranging different frequency point spacing of the main channel and the auxiliary channel; moreover, an influence of in-band adjacent-channel interference on down access is effectively reduced, and an effect of output power reduction caused by increase of in-band channel on a cell coverage area can be made up.

Description

technical field [0001] The present invention relates to the field of digital communication, in particular, the present invention relates to a frequency planning method and device for a multi-carrier system. Background technique [0002] TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access) is a technical standard for third-generation wireless communication, and it is also one of the three 3G standards approved by ITU (International Telegraph Union, International Telegraph Union). one of. Since TD-SCDMA adopts time division duplexing, the characteristics of the uplink and downlink channels are basically the same. Therefore, it is relatively easy for the base station to estimate the characteristics of the uplink and downlink channels according to the received signals. In addition, TD-SCDMA has inherent advantages in using smart antenna technology, and the use of smart antenna technology introduces the advan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04W16/18
CPCY02D30/70
Inventor 陈东康绍莉熊芳曹艳霞
Owner DATANG MOBILE COMM EQUIP CO LTD
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