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Joint detection method and device

A technology of joint detection and main path position, applied in the field of communication, can solve the problem of low accuracy of joint detection, and achieve the effect of improving the accuracy

Active Publication Date: 2013-12-18
CHINA MOBILE COMM GRP CO LTD
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Problems solved by technology

[0016] The embodiment of the present application provides a joint detection method and device to solve the problem of low accuracy of joint detection in the prior art

Method used

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Embodiment approach

[0037] For each interfering user in the cell where the target user is located, determining the correlation factor between the interfering user and the target user may include, but is not limited to, the following three implementations, specifically:

[0038] The first implementation mode: first determine the main path position of the interfering user and the main path position of the target user, and then judge whether the main path position of the interfering user overlaps with the main path position of the target user, if the judgment result is yes, It means that the interfering user does not cause interference to the target user at this time, so the correlation factor between the interfering user and the target user is determined as the second specified threshold, otherwise the correlation factor between the interfering user and the target user The factor is determined as the first prescribed threshold, wherein the second prescribed threshold is smaller than the first prescr...

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Abstract

The invention discloses a joint detection method and a joint detection device. The joint detection method comprises the following steps of: according to a channel estimation result of each disturbance user of a target user, determining the channel estimation power of the disturbance user; determining a correlation factor between each disturbance user and the target user; for each disturbance user, according to the determined correlation factor between the disturbance user and the target user, adjusting the channel estimation power of the disturbance user; selecting the disturbance user of which the adjusted channel estimation power meets a first preset condition; and according to the channel estimation result of the selected disturbance user, performing joint detection. By adoption of the technical scheme of the invention, the problem of lower accuracy of the joint detection in the prior art is solved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a joint detection method and device. Background technique [0002] In Time Division-Synchronous Code Division Multiple Access (TD-SCDMA, Time Division-Synchronous Code Division Multiple Access) system, joint detection technology can be used to eliminate interference, in which single-cell joint detection technology can eliminate intra-cell interference, multi-cell joint detection technology It can not only eliminate the interference within the cell, but also eliminate the interference between cells. [0003] like figure 1 As shown, it is a flow chart of the single-cell joint detection method, and its specific processing process is as follows: [0004] Step 11, first perform channel estimation on all users in the cell where the target user is located (that is, this cell), and obtain the channel estimation results of the target user and the channel estimatio...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/7105
Inventor 马帅江海涛杨东赵立君肖善鹏
Owner CHINA MOBILE COMM GRP CO LTD
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