A method and system for optimizing the energy efficiency of distributed antennas based on broadcast channels
A distributed antenna, energy-efficient technology, applied in wireless communication, power management, electrical components, etc., can solve problems such as inconvenient signal propagation, broadcast channel signal attenuation, and aggravating the impact of noise.
Active Publication Date: 2019-03-08
深圳埃尔姆科技有限公司
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0007] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a broadcast channel-based distributed antenna energy efficiency optimization method and system, aiming to solve the problem of low energy efficiency of the antenna in the broadcast channel in the prior art, so that the broadcast channel The signal attenuation is serious, which aggravates the influence of noise and brings inconvenience to signal transmission.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0079] In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0080] The present invention is introduced based on a distributed antenna system of a circular cell as an example. Such as figure 1 As shown, assume that the radius of the cell is R, the number of Remote Access Units (RAU, Remote Access Unit) is L, there is a base station in the center of the cell, denoted as BS (Base Station) or RAU 1, and the mobile station (MS, Mobile Station ) is K, each RAU is equipped with M transceiver antennas, and each MS has N antennas.
[0081] The present invention also provides a flow chart of a preferred embodiment of a broadcast channel-based distributed antenna energy efficiency optimization method, as shown in ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a broadcast channel-based distributed antenna energy efficiency optimization method and system. The method comprises: establishing an energy efficiency model in a DAS-BC system; according to the duality of an MIMO broadcast channel and an MIMO multi-address access channel, converting the energy efficiency model in the non-convex DAS-BC system to an energy efficiency model in a convex DAS-MAC system comprising a fraction; converting the energy efficiency model in the convex DAS-MAC system comprising the fraction to an energy efficiency model in a non-fraction DAS-MAC system comprising a minus sign by use of fractional programming; and solving a matrix corresponding to the optimal energy efficiency value in the energy efficiency model of the non-fraction DAS-MAC system, and outputting the matrix. In the method and the system, by establishing the energy efficiency model in the DAS-BC system and using an algorithm for solving the transmission covariance matrix corresponding to the optimal energy efficiency, the signal transmission performance is improved, and the noise is reduced.
Description
technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a broadcast channel-based distributed antenna energy efficiency optimization method and system. Background technique [0002] With the rapid development of information and communication technology, the consumption of energy has also increased significantly. As an important part of it, while wireless communication systems continue to provide greater system capacity, how to save energy has become a topic that has attracted more and more attention. Due to its structural advantages, the distributed antenna system uses remote antenna technology and simplifies the structure of the base station. It is considered to be a more energy-saving and environmentally friendly mobile communication system architecture than the existing traditional base stations. [0003] Distributed Antenna System (DAS, Distributed Antenna System) has been widely used in microcellular and ind...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/32
CPCH04W52/322
Inventor 何春龙尹佳佳黄磊张沛昌孙维泽李兴泉
Owner 深圳埃尔姆科技有限公司