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Common-band base station networking method and device

A technology of base station group and frequency band, applied in the field of common frequency band base station networking method and device, can solve the problems of low positioning accuracy of ground base station network, mutual interference of positioning signals, and no consideration of positioning signal interference.

Active Publication Date: 2020-08-25
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] However, when determining the ground base station network in the related art, only the coverage of the base station, the number of base stations, and the influence of the location height of the base station on the positioning accuracy are considered, and the interference of the communication signal to the positioning signal in the case of a large-scale network is not considered. The problem of mutual interference between the positioning signals sent by the base station makes the positioning accuracy of the ground base station network constructed by the existing base station networking method low

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[0070] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0071] In the Time-Code Division-Orthogonal Frequency Division Multiplexing (TC-OFDM, TimeCode Division-Orthogonal Frequency Division Multiplexing) system involved in the embodiment of the present invention, the positioning signal sent by the base station is spread and then transmitted through the spreading code to realize code division Multicast.

[0072] Before introducing the co-band base station networking method provided by the embodiment of the present i...

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Abstract

The embodiment of the invention provides a common-band base station networking method and device, relates to the technical field of communication, and can improve the positioning precision of a groundbase station network. According to the scheme of the embodiment of the invention, the method comprises the steps: determining the positioning power of a positioning base station for transmitting a positioning signal according to the communication power of a communication base station for transmitting a communication signal and the spread spectrum gain of a spread spectrum code; determining the maximum side length value of each honeycomb hexagon in the cellular network according to the positioning power and the first transmission loss value; determining the minimum value of the side length ofeach honeycomb hexagon in the honeycomb network according to the positioning power and the second transmission loss value, wherein a positioning base station in each module in the cellular network multiplexes a spread spectrum code group, different base stations in each module correspond to different spread spectrum codes, and the spread spectrum codes corresponding to the base stations at the corresponding positions of each module are the same; and selecting a numerical value as the side length of each honeycomb hexagon in the honeycomb network from the range between the minimum side length value and the maximum side length value.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for networking a common frequency band base station. Background technique [0002] The ground base station network has strong indoor and outdoor signal coverage due to its good reliability, anti-interference and networking flexibility. The ground base station network can be realized by time-division orthogonal frequency division multiplexing (TC-OFDM, TimeCodeDivision-Orthogonal Frequency Division Multiplexing) technology. The TC-OFDM system is a system that can realize the integration of communication and navigation, and can realize high-precision indoor and outdoor Seamless positioning. [0003] However, when determining the ground base station network in the related art, only the coverage of the base station, the number of base stations, and the influence of the location height of the base station on the positioning accuracy are considered...

Claims

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Application Information

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IPC IPC(8): H04W64/00H04W84/18
CPCH04W64/00H04W84/18
Inventor 邓中亮尹家兵韩可董婕舒唐诗浩贾步云
Owner BEIJING UNIV OF POSTS & TELECOMM
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