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Method, device and system for transmitting communication signals

A transmission method and technology for communication signals, applied in the field of communication, can solve problems such as complex implementation configuration, and achieve the effect of enhancing reception performance and increasing the number of channels

Active Publication Date: 2011-06-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Supporting dual-frequency four-receiver (4R) requires four modules and four different-frequency combining units Com. Although this solution reduces the number of antennas used, it requires additional four external frequency combining units Com. The implementation configuration of this scheme is more complicated

Method used

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  • Method, device and system for transmitting communication signals
  • Method, device and system for transmitting communication signals
  • Method, device and system for transmitting communication signals

Examples

Experimental program
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Embodiment 1

[0055] An embodiment of the present invention provides a communication signal transmission method, which is a method on the side of a multi-frequency receiver, such as image 3 As shown, the method includes:

[0056] 101. A multi-frequency receiver receives a radio frequency signal from an antenna, and divides the radio frequency signal into radio frequency signals of different frequency bands according to frequency bands.

[0057] Wherein, the multi-frequency receiver receives radio frequency signals from the antenna, and divides the radio frequency signals into radio frequency signals of different frequency bands according to frequency bands, specifically, as Figure 4 As shown, when the multi-frequency receiver receives radio frequency signals from the antenna, and when the radio frequency signals include radio frequency signals of three frequency bands, the radio frequency signals received by the multi-frequency receiver from the antenna are divided into radio frequency si...

Embodiment 2

[0072] An embodiment of the present invention provides a communication signal transmission method, which is a method on the side of a multi-frequency receiver, such as Image 6 As shown, the method includes:

[0073] 301. A multi-frequency receiver receives a radio frequency signal from an antenna, and divides the radio frequency signal into radio frequency signals of different frequency bands according to frequency bands.

[0074] Wherein, in the embodiment of the present invention, the multi-frequency receiver receives the radio frequency signal from the antenna, and divides the radio frequency signal into radio frequency signals of different frequency bands according to the frequency band. description, the embodiments of the present invention will not be repeated here.

[0075] 302. The multi-frequency receiver sends the radio frequency signal of the first part of the predetermined frequency band to the radio frequency unit, so that the radio frequency unit converts the re...

Embodiment 3

[0085] An embodiment of the present invention provides a multi-frequency receiver, such as Figure 8 As shown, the multi-frequency receiver includes: a multi-frequency transceiver 51 and a plurality of receivers 52, wherein each frequency band corresponds to a plurality of receivers 52, one or more digital baseband interfaces, one or more A first radio frequency interface connected to the antenna, and one or more second radio frequency interfaces connected to the radio frequency unit.

[0086] The multi-frequency transceiver combiner 51 is used for distributing the radio frequency signal received by the antenna to the predetermined frequency band receiver 52 according to the frequency band.

[0087] The receiver 52 of the first part of the predetermined frequency band is used to send the radio frequency signal it receives to the radio frequency unit through the second radio frequency interface, so that the radio frequency unit converts the received radio frequency signal into ...

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Abstract

The embodiment of the invention discloses a method, device and system for transmitting communication signals, relating to the communication field and strengthening network receiving performance. In the method, a multi-frequency receiver is used for carrying out frequency band division on radio-frequency signals received by an antenna so as to obtain radio-frequency signals with different frequency bands; a first part of radio-frequency signals in a scheduled frequency band are sent to a radio-frequency unit, so that the radio-frequency unit is used for converting the received first part of radio-frequency signals in the scheduled frequency band into first baseband digital signals which are sent to a baseband processing unit, wherein the first part of radio-frequency signals are received by the radio-frequency unit; and the radio-frequency unit is used for converting a second part of radio-frequency signals in the scheduled frequency band into second baseband digital signals which are sent to the baseband processing unit by a digital baseband interface, or the second baseband digital signals are sent to a first radio-frequency module by the digital baseband interface, so that the first radio-frequency module is used for sending the second baseband digital signals to the baseband processing unit. The method, device and system provided by the embodiment are mainly applied to a multi-frequency receiving process.

Description

technical field [0001] The present invention relates to the communication field, in particular to a communication signal transmission method, device and system. Background technique [0002] With the continuous application of new wireless standard technologies such as WCDMA (Wideband Code Division Multiple Access) and LTE (Long Term Evolution, long-term evolution), there are more and more new frequency bands and multi-frequency co-site scenarios. At the same time, with the development of antenna technology, the frequency band supported by the antenna is also expanding. At present, the broadband antenna can support 790-960MHz or 1710-2690MHz. Take the high-frequency band as an example, that is, a pair of 1710-2690MHz dual-polarized antenna can support three frequency bands of 1800MHz, 2100MHz and 2600MHz or more transceivers of different frequency bands share the antenna at the same time. With the increase in capacity requirements, operators need to make full use of frequenc...

Claims

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Application Information

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IPC IPC(8): H04B1/40
CPCH04L27/2647H04B1/0057H04B1/0064
Inventor 吴旺军李玉林严丰庆张晓冬张希文
Owner HUAWEI TECH CO LTD
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