Radio remote unit RRU and combining method for cross-band carrier aggregation

A radio frequency remote unit and carrier aggregation technology, applied to electrical components, transmission systems, etc., can solve problems such as difficult construction, large engineering volume, and complex engineering construction

Active Publication Date: 2018-03-13
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This method involves complex signal external combiners and feeder connections, and the actual engineering construction is complicated. For example, a 2T4R 4G standard station requires 12 external combiners and 36 RF jumpers, which requires a large amount of engineering and difficult construction.

Method used

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  • Radio remote unit RRU and combining method for cross-band carrier aggregation
  • Radio remote unit RRU and combining method for cross-band carrier aggregation
  • Radio remote unit RRU and combining method for cross-band carrier aggregation

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Embodiment Construction

[0027] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0028] A schematic diagram of an embodiment of the RRU for cross-band carrier aggregation of the present invention is as follows figure 1 shown. Wherein, the additional RRU connection port 101 is used to connect with the output port or the input and output port of the additional RRU; the input side of the combination module 102 is respectively connected with the transceiver of the additional RRU connection port and the RRU, and the output side is connected with the antenna connection port; The connection port 103 is a port for connecting the RRU to the antenna.

[0029] Such an RRU can be connected to an additional RRU to internally realize the splitting of downlink signals and the combining operation of uplink signals, so that the common antenna can be realized without an external combiner, and no complicated feeder ...

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Abstract

The invention provides a radio remote unit RRU and a combining method for cross-band carrier aggregation, which relate to the field of wireless communication. The RRU for cross-band carrier aggregation includes an additional RRU connection port and a combining module. The additional RRU connection port is connected with the output port or the input / output port of an additional RRU, and the additional RRU and the RRU for cross-band carrier aggregation work in different frequency bands. The input side of the combining module is connected with the additional RRU connection port and the transceiver of the RRU, and the output side is connected with an antenna connection port. The antenna connection port is a port of the RRU connected with an antenna, so that the additional RRU and the RRU for cross-band carrier aggregation can share the antenna. The RRU can be connected with the additional RRU to carry out downlink signal dividing and uplink signal combining. The additional RRU and the RRUfor cross-band carrier aggregation can share an antenna without the need for an external combiner. No complicated feeder connection is needed. The difficulty of construction is reduced. The efficiencyof construction is improved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a remote radio unit and a combining method for cross-band carrier aggregation. Background technique [0002] In the cross-band LTE network deployment, it is necessary to add RRU (Radio Remote Unit, radio remote unit) equipment and external combiner equipment. After the two RRUs combine the radio frequency signals through multiple external combiners, Connect to the antenna via a feeder. [0003] This method involves complex signal external combiners and feeder connections, and the actual engineering construction is complex. For example, a 2T4R 4G standard station requires 12 external combiners and 36 RF jumpers, which requires a large amount of engineering and difficult construction. Contents of the invention [0004] An object of the present invention is to improve the efficiency of cross-band network deployment. [0005] According to one aspect of the present invention,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04B1/00
CPCH04B1/0053H04B1/0057H04B1/0067H04B1/40
Inventor 李志军陈建刚李英奇
Owner CHINA TELECOM CORP LTD
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