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A LTE frequency resource multiplexing method based on a single-antenna subway coverage scenario

A technology of frequency resource and resource reuse, applied in the field of wireless communication, can solve the problems of complex joint detection algorithm, discounted effect, inability to realize frequency domain resource reuse, etc., to achieve the effect of improving the overall throughput

Active Publication Date: 2018-12-14
JIANGSU SINOLTE WIRELESS TECH
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Problems solved by technology

[0005] figure 2 In the deployment method shown, because of single-antenna coverage, downlink MIMO cannot be implemented, that is, the multiplexing of frequency domain resources cannot be realized.
If uplink MIMO is to be implemented, the user pairing algorithm and joint detection algorithm will be very complicated, and as the number of users increases, the final effect will be greatly reduced

Method used

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  • A LTE frequency resource multiplexing method based on a single-antenna subway coverage scenario
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  • A LTE frequency resource multiplexing method based on a single-antenna subway coverage scenario

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0035] In order to achieve a certain degree of resource multiplexing, which can be applied to both downlink and uplink directions, both UE and eNodeB have some requirements to be realized. The base station needs to determine the coverage area of ​​which antenna the UE is in. The accuracy cannot be guaranteed through the physical layer measurement of the base station itself, and the UE can only rely on the downlink RSRP (Reference Signal Received Power) measurement by the UE. The UE itself has realized the measurement of the signal strength ...

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Abstract

The invention discloses an LTE frequency resource multiplexing method based on a single-antenna subway coverage scenario, including the terminal reporting the signal strength received from two ports of the base station, and the base station determining the coverage area of ​​which antenna the terminal is in according to the situation reported by the terminal and The signal strength of the two antennas is poor, and the base station implements frequency resource multiplexing between remote users of different antennas under the coverage of a single antenna, and the base station decodes the data received by the two ports according to the upper-layer configuration starting from receiving antenna data. The present invention designs a simple and high-accuracy resource multiplexing method, realizes resource multiplexing to a certain extent, and can be applied to both downlink and uplink directions.

Description

technical field [0001] The invention relates to an LTE frequency resource multiplexing method based on a single-antenna subway coverage scenario, and belongs to the technical field of wireless communication. Background technique [0002] At present, the types of services in subway communication continue to increase, and the demand for bandwidth continues to increase; and because of the subway communication scenario, wireless communication technology must be used. Based on the above requirements, there is an urgent need for broadband wireless communication technology in subway communication. As a broadband wireless communication technology, LTE technology is now very mature. Therefore, more and more subway projects use LTE as a wireless communication solution. [0003] Due to the limitation of subway space, LTE coverage usually uses miniaturized 2-channel RRU equipment. Each radio remote unit (Radio Remote Unit, RRU) supports a single carrier fan, and the baseband processing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/54
CPCH04W72/0453H04W72/046H04W72/542
Inventor 赵昊昱
Owner JIANGSU SINOLTE WIRELESS TECH
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