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Method and base station for interference coordination in LTE (Long Term Evolution) clustering communication system

A technology for trunking communication and interference coordination, applied in the field of communications, can solve problems such as the inability to coordinate the interference of trunking services, and achieve the effects of enhancing user perception, avoiding co-channel interference, and improving system performance

Inactive Publication Date: 2013-04-17
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a method and a base station for interference coordination in an LTE trunking communication system, so as to overcome the existing defect that interference coordination cannot be performed on trunking services

Method used

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  • Method and base station for interference coordination in LTE (Long Term Evolution) clustering communication system
  • Method and base station for interference coordination in LTE (Long Term Evolution) clustering communication system
  • Method and base station for interference coordination in LTE (Long Term Evolution) clustering communication system

Examples

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application example 1

[0050] For each base station, the administrator can pre-configure the list of neighboring cells (that is, other cells except this cell) of the cell through the network management background, and the base station can use the first N neighboring cells in the list of neighboring cells as the time-frequency interference coordination of the cell It is also possible to use all the neighboring cells in the neighboring cell list as the neighboring cells for the time-frequency interference coordination of the cell, where N is a positive integer; the relevant parameters of the semi-persistent scheduling of the cell can also be pre-configured through the network management background and Period of time-frequency resource interaction.

[0051] A method for interference coordination in an LTE cluster communication system, applied to the interference coordination of a base station to each serving cell within its own service range, including:

[0052] Step 10: The base station records or upd...

application example 2

[0056] For each base station, the administrator can pre-configure the list of neighboring cells (that is, other cells except this cell) of the cell through the network management background, and the base station can use the first N neighboring cells in the list of neighboring cells as the time-frequency interference coordination of the cell It is also possible to use all the neighboring cells in the neighboring cell list as the neighboring cells for the time-frequency interference coordination of the cell, where N is a positive integer; the relevant parameters of the semi-persistent scheduling of the cell can also be pre-configured through the network management background and Period of time-frequency resource interaction.

[0057] A method for interference coordination in an LTE cluster communication system, applied to interference coordination for each cell between different base stations, for each base station, including:

[0058] Step 10: In each semi-persistent scheduling...

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Abstract

The invention discloses a method and a base station for interference coordination in an LTE (Long Term Evolution) clustering communication system, wherein the method comprises the following operations which are carried out through the base station: aiming at each cell within a service range, periodically obtaining the used time-frequency resource information of a neighboring cell of the cell during semi-static scheduling; and when the time-frequency resources of clustering business in the cell within the service range are allocated, preferentially allocating the time-frequency resources which are not occupied by other neighboring cells by the base station according to the obtained time-frequency resource information of the other neighboring cells of the cell. The base station is applied to the LTE clustering communication system and comprises a control module and N resource-allocating modules, wherein the N is an integer, and the value of the N is equal to the number of the cells within the service range of the base station; and each resource-allocating module corresponds to one cell within the service range of the base station one by one. After the invention is adopted, same-frequency interference among the cells can be reduced and even avoided in the LTE clustering communication system, so that the system performance is improved, and the perceptibility of users is enhanced.

Description

technical field [0001] The present invention relates to a communication field, in particular to a method and a base station for interference coordination in an LTE (Long Term Evolution, Long Term Evolution) trunking communication system. Background technique [0002] LTE is a long-term evolution project of 3GPP (The 3rd Generation Partnership Project, third-generation partnership project), and it is the largest new technology research and development project launched by 3GPP in the past two years. Multiplexing technology) / FDMA (Frequency Division Multiple Access, frequency division multiple access) as the core technology can be regarded as "quasi-4G" technology. The main advantages of LTE are high peak rate, small system delay, and support for flexible configuration of bandwidth, so it has broad application prospects. For example, a spectrum bandwidth of 20MHz can provide a peak rate of 100Mbps downlink and 50Mbps uplink, and the internal one-way transmission delay of the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/14H04W72/12H04W84/08H04W72/54
CPCH04W84/08H04W72/044H04W16/10H04W72/541
Inventor 罗夙
Owner ZTE CORP
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