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A method, system and device for determining adjacent cell interference

A neighboring cell interference and neighboring cell technology, applied in electrical components, wireless communication and other directions, can solve the problem of low neighboring cell interference accuracy, and achieve the effect of link adaptation, good link adaptation, and improved efficiency.

Active Publication Date: 2016-09-28
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a method, system and device for determining adjacent cell interference to solve the problem in the prior art that if the cell adopts the RE MUTING scheme, the accuracy of the adjacent cell interference determined by the user terminal is relatively low

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  • A method, system and device for determining adjacent cell interference
  • A method, system and device for determining adjacent cell interference
  • A method, system and device for determining adjacent cell interference

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Embodiment Construction

[0038] The base station of the first cell in the embodiment of the present invention sends the first interference power parameter value to the user terminal, which is used to instruct the user terminal to determine the adjacent cell interference value according to the first interference power parameter value, wherein the first interference power parameter value is used to determine The interference generated by the second cell to the user terminal in the first cell. Since the user terminal determines the adjacent cell interference according to the first interference power parameter value, the accuracy of interference estimation is improved.

[0039] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0040] Such as figure 2 As shown, the system for determining adjacent cell interference in this embodiment of the present invention includes: a base station 10 of a first cell and a user terminal 20 ...

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Abstract

Embodiments of the present invention relate to wireless communication technologies, and in particular to a method, system and device for determining adjacent cell interference, which are used to solve the problem existing in the prior art that if the cell adopts the RE MUTING scheme, the accuracy of the adjacent cell interference determined by the user terminal is relatively low The problem. The method in the embodiment of the present invention includes: the base station of the first cell determines a first interference power parameter value, wherein the first interference power parameter value is used to determine the interference generated by the second cell to the user terminal in the first cell; The base station of the first cell sends the first interference power parameter value to the user terminal, for instructing the user terminal to determine a neighboring cell interference value according to the first interference power parameter value. By adopting the embodiment of the present invention, since the user terminal determines the adjacent cell interference according to the first interference power parameter value, the accuracy of interference estimation is improved.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a method, system and device for determining adjacent cell interference. Background technique [0002] In a wireless cellular network system, each cell usually has a base station to communicate with user terminals. Before the data transmission process starts, the base station will send reference signals (pilot signals) to the user terminal, and the user terminal will obtain channel estimation values ​​based on these reference signals. A reference signal is a known sequence of signals sent on a specific frequency at a specific time agreed upon. Factors such as interference and noise can affect the quality of channel estimation. [0003] Usually, user terminals are located in different geographic locations, and have different received signal strengths and strengths of noise and interference. Therefore, some user terminals can communicate at a higher rate, such as termi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02
Inventor 高秋彬缪德山孙韶辉
Owner DATANG MOBILE COMM EQUIP CO LTD