Channel correction method of remote radio unit (RRU), relevant equipment and system

A technology of remote radio frequency unit and calibration method, which is applied in baseband system components, diversity/multi-antenna systems, transmitter/receiver shaping networks, etc., and can solve problems such as RRU investment cost waste

Active Publication Date: 2013-10-02
SHANGHAI HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the 2T2R RRU was used before (that is, the RRU has 2 transmit channels and 2 receive channels), and later, with the need for capacity expansion, it was found that the 4T4R RRU (that is,

Method used

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  • Channel correction method of remote radio unit (RRU), relevant equipment and system
  • Channel correction method of remote radio unit (RRU), relevant equipment and system
  • Channel correction method of remote radio unit (RRU), relevant equipment and system

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Embodiment Construction

[0195] Embodiments of the present invention provide an RRU channel correction method and related equipment and systems, so as to take into account cost and system expansion requirements.

[0196]In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0197] Each will be described in detail below.

[0198] The terms "first", "second", "third", "fourth", etc. (if any) in the description and clai...

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Abstract

The embodiment of the invention discloses a channel correction method of a remote radio unit (RRU), relevant equipment and a system. The technical solution provided by the embodiment of the invention is that correction signals are interacted through a service channel of a first RRU and a correction reference channel of a second RRU, a compensation factor for channel compensation between the RRUs is acquired according to the interacted correction signals, and service signal compensation is carried out by combining a self-correcting RRU and the compensation factor, thereby being conducive to meeting the requirement of uplink and downlink reciprocity after a plurality of the RRUs are spliced. The mechanism disclosed by the embodiment of the invention can realize splicing of a plurality of the RRUs so as to obtain more service channel RRUs, thereby being conducive to meeting higher communication requirements and giving consideration to requirements of the cost and system capacity expansion. For example, two 2T2Rs in the prior art are spliced into one 4T4R, thereby utilizing the existing investment reasonably.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 201210592421.9 and the title of the invention "Channel Calibration Method for Remote Radio Frequency Unit and Related Equipment and System" filed with China Patent Office on December 31, 2012, the entire contents of which are incorporated by reference incorporated in this application. technical field [0002] The invention relates to the field of communication technology, in particular to a channel calibration method of a remote radio frequency unit and related equipment and systems. Background technique [0003] In the time division duplex (TDD, Time Division Duplexing) system, the base station estimates the uplink channel by detecting the sounding reference signal (SRS, Sounding Reference Signal) signal sent by the user terminal (UE, User Equipment), and uses the TDD system uplink and downlink channel Reciprocity, using the uplink channel estimation result as the downl...

Claims

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Application Information

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IPC IPC(8): H04L25/03H04B7/08
Inventor 易雄书官鹭陈卫民
Owner SHANGHAI HUAWEI TECH CO LTD
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