SDMA communication system resource distribution implementing method and apparatus
A technology for communication system and resource allocation, which is applied in the field of resource allocation implementation methods and devices for space division multiple access communication systems, can solve problems such as difficulty in cluster division, increased system interference, errors, etc., and achieves improved wireless data transmission rate and increased system capacity Effect
Inactive Publication Date: 2011-05-11
ZTE CORP
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This method utilizes space division multiple access technology to realize the multiplexing of code channel resources, but in the case of large multipath angular spectrum expansion, it cannot accurately judge the spatial isolation between users, which may cause difficulty or even error in cluster division, resulting in Significant increase in system interference
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[0019] The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments to further understand the purpose, solutions, and effects of the present invention, but it is not intended to limit the protection scope of the appended claims of the present invention.
[0020] figure 1 It is a flowchart of a method for implementing resource allocation in a space division multiple access communication system according to an embodiment of the present invention; reference figure 1 The method for implementing resource allocation in a space division multiple access system of the present invention includes: step S10, obtaining the spatial characteristic parameter of each user according to the uplink signal or channel estimation of each user on the antenna array, and the spatial characteristic parameter includes: user The peak-to-average ratio of the wave arrival angle of the signal and the uplink received power angular spectrum;
[0021] ...
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The invention discloses a space division multiple access communication system resource allocation implement method, comprising: the step of obtaining space characteristic parameters, for obtaining space characteristic parameters of each user according to upstream signals or channel estimation of each user on an antenna array; the step of allocating the system resource, for determining space separation between the users according to the space characteristic parameters, and performing the system resource allocation according to the space separation. The application of the invention realizes thesystem resource multiplex of time, frequency and code channels and the like at the same time, thereby increasing system capacity and advancing wireless data transmitting ratio and the like.
Description
technical field [0001] The invention relates to a space division multiple access communication system, in particular to a method and device for realizing resource allocation of a space division multiple access (SDMA) communication system. Background technique [0002] The space division multiple access communication system allocates and provides different spatial channels for corresponding users according to the spatial propagation characteristics of different user signals, so as to realize the multiplexing of system resources such as time, frequency, and code channels, so as to increase system capacity and improve wireless data quality. transfer rate etc. [0003] Space division multiple access systems are usually closely related to smart antenna technology. Smart antennas use the spatial characteristics of signal transmission and digital signal processing technology to realize weight vector estimation and downlink beamforming according to the spatial distribution of signa...
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IPC IPC(8): H04W72/04H04W72/12H04J99/00
Inventor 秦洪峰李强
Owner ZTE CORP