Method and device for selecting antenna data transmission mode
A technology of transmitting mode and antenna data, applied in the field of communication, can solve the problem of inability to flexibly select the data transmission mode, link stability and throughput, etc.
Active Publication Date: 2015-09-16
江苏裕华投资开发集团有限公司
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[0006] In view of the lack of data transmission mode selection schemes in space diversity beamforming and space multiplexing cyclic delay diversity in the related art, it is impossible to flexibly select the data transmission mode according to channel conditions to increase link stability and improve throughput. The present invention, for this reason, the main purpose of the present invention is to provide an improved antenna data transmission mode selection method and device, to solve at least one of the above problems
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[0033] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0034] The wireless communication system includes a sending end and a receiving end. The sending end in the embodiment of the present invention is a device for sending data or information, such as a macro base station, a micro base station, etc.; the receiving end is a terminal for receiving data or information. Such as mobile station, handheld device or data card, etc. Various embodiments of the present invention described below are implemented based on the wireless communication system.
[0035] Figure 5 It is a flowchart of a method for selecting an antenna data transmission mode according to an embodiment of the present invention. Such as Figure 5 As shown, the selection method of the...
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The present invention discloses a method and apparatus for selecting antenna data transmission mode. Said method includes: according to the channel status information, the data transmission mode adapting to the receiving end is determined by the transmitting end from the Spatial Diversity Beamforming (SD+BF) mode and Spatial Multiplexing Cyclic Delay Diversity (SM+CDD) mode; and the transmitting end transmits data with the determined data transmission mode. The technical solution provided by the present invention solves: the solution selecting the data transmission mode from the SD+BF mode and SM+CDD mode does not exist in the prior art; and the prior art can not flexibly select the data transmission mode as SD+BF mode or SM+CDD mode according to the system channel condition, when data is transmitted. The present invention enhances the stability of the link and improves the throughput of the system.
Description
technical field [0001] The present invention relates to the communication field, in particular to a method and device for selecting an antenna data transmission mode. Background technique [0002] A multiple input multiple output (Multiple Input Multiple Output, MIMO for short) communication system needs to arrange multiple antennas at the transmitting end and the receiving end respectively. The communication system usually adopts space diversity technology and space multiplexing technology. The use of space diversity technology can improve the stability of the link, and the use of space multiplexing can improve the throughput of the system. [0003] Beamforming technology (Beamforming, referred to as BF) is a technology based on the principle of adaptive antenna, using an antenna array to separately weight each antenna unit through an advanced signal processing algorithm. Such as figure 1 shown. The data stream is multiplied by the weight on the corresponding physical a...
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IPC IPC(8): H04B7/06H04L1/18
CPCH04B7/0671H04B7/0689H04B7/0617
Inventor 肖华华贾晓山朱登魁鲁照华张万帅刘锟
Owner 江苏裕华投资开发集团有限公司