Combined channel correction method, device and management equipment
A technology for joint channel correction and management equipment, which is applied in the field of equipment and management equipment, joint channel correction methods, and can solve the problems of increasing equipment costs and disadvantages
Active Publication Date: 2019-03-26
HUAWEI TECH CO LTD
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Problems solved by technology
[0005] In order to solve the problem in the prior art that a new and more complex hardware solution needs to be designed in the solution of multi-TP joint channel correction, which not only increases the equipment cost, but also is not conducive to the problem that the existing equipment supports multi-TP coherent JT CoMP, the present invention The embodiment provides a joint channel correction method, device and management equipment
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[0123] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0124] See figure 1 As shown, it shows a method flow chart of a joint channel correction method provided by an embodiment of the present invention. The joint channel correction method can be applied to a management device, and the management device can be a base station corresponding to a serving cell in a multi-TP TDD coherent JTCoMP scheme, or an additional network device. The joint channel correction method may include:
[0125] 101. Acquire joint uplink channel information of a first transmission point and a second transmission point, where the first transmission point and the second transmission point are transmission points that simultaneously provide coordinated services for user equipment in a joint transmission JT coordinated...
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The embodiments of the present invention provide a joint channel correction method, apparatus and management device and relate to the technical field of networks. The method includes: obtaining joint uplink channel information of a first transmission point and a second transmission point; receiving a joint Preferred Matrix Index (PMI) fed back by a user equipment; obtaining a phase difference between the second transmission point and the first transmission point according to the PMI and a phase vector obtained on the basis of the uplink channel information; using the phase difference to correct the downlink channel of the second transmission point. By obtaining the phase difference between the second transmission point and the first transmission point and using the phase difference to correct the downlink channel of the second transmission point, the present invention resolves the problem that in the prior art high device cost is disadvantageous for the existing stock devices to support multiple Transmission Point (TP) coherent Joint Transmission Coordinated Multiple Point (JT CoMP), and achieves the effects of implementing multiple TP coherent JT CoMP on the basis of the existing devices and improving the cell transmission performance.
Description
technical field [0001] The present invention relates to the field of network technology, in particular to a joint channel correction method, device and management equipment. Background technique [0002] Coordinated Multiple Point Transmission (CoMP) is an effective way to improve cell boundary capacity and cell average throughput. For a time division duplex (Time Division Duplexing, TDD) system, among various downlink CoMP schemes, multi-TP (Transmission Point, transmission point) coherent joint transmission (JT) CoMP is the one that can bring the greatest benefit. A downlink CoMP scheme is planted. A key point in realizing multi-TP coherent JTCoMP is that the uplink and downlink channels of each TP that are jointly transmitted need to be jointly corrected to ensure the reciprocity of the uplink and downlink channels. [0003] Generally, due to the requirement of TDD beamforming (Beam Forming, BF), the uplink and downlink channels within a TP point have a calibration func...
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IPC IPC(8): H04W72/04
CPCH04W72/04
Inventor 阙程晟
Owner HUAWEI TECH CO LTD