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Method and system for determining transmission signal of repeater

A technology for transmitting signals and determining methods, applied in transmission systems, radio transmission systems, electrical components, etc., can solve problems such as high construction costs and difficult development of repeaters, and achieve the effect of reducing noise and eliminating coupled echo signals

Active Publication Date: 2021-08-10
SUN YAT SEN UNIV
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Problems solved by technology

[0004] Based on this, it is necessary to provide a method and system, computer equipment, and computer storage medium for determining the transmission signal of a repeater in view of the technical problems that traditional solutions tend to make the development of the repeater difficult and the construction cost high

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  • Method and system for determining transmission signal of repeater
  • Method and system for determining transmission signal of repeater
  • Method and system for determining transmission signal of repeater

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Embodiment Construction

[0045] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0046]It should be noted that the term "first\second\third" involved in this embodiment of the present invention is only to distinguish similar objects, and does not represent a specific ordering of objects. Understandably, "first\second\third Three" are interchangeable in a specific order or sequence where permissible. It should be understood that the terms "first\second\third" are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein.

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Abstract

The invention relates to a transmission signal determination method and system of a repeater, computer equipment and computer storage medium. The method for determining the transmission signal of the above-mentioned repeater includes: determining the reference signal at the current sampling moment according to the output signal of the repeater at a set time before the current sampling moment; wherein, the set time is the external echo delay of the repeater time; the reference signal is filtered through the channel estimation parameters of the external echo channel of the repeater at the current sampling time to obtain a predicted echo signal; the input signal at the current sampling time of the repeater is subtracted from the predicted echo Signal, and determine the transmitting signal of the repeater station at the current sampling time according to the obtained signal. The invention eliminates the coupling echo signal in the transmission signal of the repeater, reduces the noise in the above transmission signal, and effectively controls the development difficulty and construction cost of the corresponding repeater.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and system for determining a transmitted signal of a repeater, computer equipment, and a computer storage medium. Background technique [0002] In the wireless communication network, the repeater is the priority equipment to provide effective coverage for the base station signal weak area or blind area. Among them, the wireless digital co-frequency repeater is widely used due to its flexible station setup and low installation cost. However, in the same-frequency repeater, the receiving antenna is interfered by the signal fed back from the transmitting antenna (referred to as coupling echo signal interference). Since the transmitting and receiving antennas work at the same frequency, the coupled echo signal cannot be filtered by ordinary filters. When the isolation between the transmitting antenna and the receiving antenna is insufficient, the coup...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/155
CPCH04B7/15585
Inventor 王雅楠潘云夏明华
Owner SUN YAT SEN UNIV
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