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Inter-user interference estimation method, device and system

A technology between users and user terminals, applied in wireless communication, electrical components, etc., can solve problems such as poor accuracy and large limitations, and achieve the effect of high accuracy and wide adaptability

Active Publication Date: 2018-09-14
COMBA TELECOM SYST CHINA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a method, device and system for estimating inter-user interference in view of the problems of poor accuracy and large limitations of traditional inter-user interference estimation

Method used

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  • Inter-user interference estimation method, device and system
  • Inter-user interference estimation method, device and system
  • Inter-user interference estimation method, device and system

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0105] Table 1 Example 1 Measurement channel subset

[0106] Measurement channel number

Cell 0 Scheduling Subset

Cell 0 measurement set

1 (membership subset 0)

yes

yes

2 (membership subset 0)

yes

yes

[0107] At time T0, if it is determined that the uplink and downlink communication with the user terminal M1 is performed through the three signal transceiver devices Cell0_ru0, Cell0_ru1, and Cell0_ru3, and the uplink and downlink communication with the user terminal M2 is determined through the two signal transceiver devices Cell0_ru2 and Cell0_ru4, then the user terminal M1 When co-channel downlink communication with user terminal M2, the interference calculation method of user terminal M1 to user terminal M2 is as follows: Figure 7 As shown, where the arrow line is the signal sent by the measurement channel, then SUM_PWR_M2_F1 is the sum of the received power of the three dotted arrow lines, and SUM_PWR_M2_F2 is the sum of ...

example 2

[0114] Table 2 Example 2 Measurement channel subset

[0115] Measurement channel number

Cell 0 Scheduling Subset

Cell 1 Scheduling Subset

Cell 0 measurement set

Cell 1 measurement set

1 (membership subset 0)

yes

yes

yes

2 (membership subset 0)

yes

yes

yes

3 (membership subset 1)

yes

yes

yes

4 (membership subset 1)

yes

yes

yes

[0116] At time T0, if it is determined to perform uplink and downlink communication with the user terminal M1 through the three signal transceiver devices Cell0_ru0, Cell0_ru1, and Cell0_ru2, and to perform uplink and downlink communication with the user terminal M2 through the two signal transceiver devices Cell1_ru0 and Cell1_ru1, then the user terminal M1 When co-channel downlink communication with user terminal M2, the interference calculation method of user terminal M1 to user terminal M2 is as follows: Figure 8 As shown, where...

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Abstract

The invention relates to an inter-user interference estimation method, device and system, wherein the inter-user interference estimation method comprises the following steps of obtaining the measurement data of a measurement channel set corresponding to each configured cell, and obtaining a co-channel interference value between user terminal pairs, wherein the measurement channel set includes a measurement channel subset attributed to the present configured cell and a measurement channel subset respectively assigned to each configured cell that is adjacent to the present configured cell; and performing inter-user interference estimation according to the measurement data of the measurement channel of the present configured cell and the measurement data of the measurement channel of the adjacent configured cell. Estimation can be performed based on the propagation loss of the actual environment, thus achieving high accuracy; and the method, the device and the system are applicable to theinter-user interference estimation in various networking forms, and the wide adaptability is facilitated.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method, device and system for estimating interference between users. Background technique [0002] With the vigorous development of the mobile Internet, the public's demand for high-bandwidth wireless services has exploded. Improving the reuse of spectrum resources has become an effective way to cope with traffic growth. Correspondingly, how to effectively increase the reuse of spectrum has become a hot topic in the industry. topic. [0003] In order to effectively realize the reuse of spectrum resources, it is necessary to improve the estimation accuracy of the interference value during spectrum reuse between users, so as to ensure that the spectrum reuse between users will not cause mutual interference and the loss outweighs the gain. During the implementation process, the inventors found at least the following problems in the traditional technology: the traditi...

Claims

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Application Information

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IPC IPC(8): H04W24/08
CPCH04W24/08
Inventor 李伟丹
Owner COMBA TELECOM SYST CHINA LTD
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