Method and system for dynamic coordination and data exchange equipment

Abstract

The invention discloses a method for dynamic coordination, which comprises that: data exchange equipment is preset; a current base-band unit (BBU) receives a measurement report returned by user equipment (UE), determines a coordinated remote radio unit (RRU) set and informs the data exchange equipment; the data exchange equipment takes RRUs which do not belong to a static RRU set corresponding tothe current BBU in the coordinated RRU set as a dynamic RRU set corresponding to the current BBU, and merges the static and dynamic RRU sets to acquire a set of all RRUs corresponding to the current BBU; and the current BBU performs data exchange with all the RRUs corresponding to the BBU through the data exchange equipment to realize coordinated transmission of the UE. The invention provides a device for dynamic coordination and the data exchange equipment at the same time. The method and a system for dynamic coordination can realize dynamic adjustment of the RRU set corresponding to each BBU through the data exchange equipment, so that the RRU for coordinated transmission can be freely selected according to the requirement of practical application and the base station crossing uplink and downlink coordinated transmission of the UE can be realized.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a dynamic cooperation method and system, and a data exchange device. Background technique [0002] In the Long Term Evolution-Advanced (LTE-A) system, Orthogonal Frequency Divided Multiple Access (OFDMA) technology is currently used, and the OFDMA technology utilizes the orthogonality between frequencies as In a manner of distinguishing user equipment (User Equipment, UE), by carrying information of different UEs on different carriers that are orthogonal to each other, adverse effects caused by frequency selective fading can be effectively reduced. figure 1 shows the topology of the cellular network used in the current LTE-A system. As shown in the figure, each base station covers a sector (ie, a cell). Since the frequencies used by different UEs in the cell are orthogonal to each other, therefore, For a UE in a certain cell, all its interference comes from other cells, so this...

AI Technical Summary

Problems solved by technology

However, since the existing distributed radio system is a static cooperative system, the correspondence between RRUs and BBUs is statically configured and fixed, so only RRUs belonging to the same BBU can cooperate, so that If the UE at B cooperates through the RRU to which BBU1 belongs, it can select RRU2 and RRU3, and if it cooperates through the RRU to which BBU2 belongs, it can select RRU4 and RRU5, but none of them can realize the cooperation between RRU2, RRU3, RRU4 and RRU5 to perform CoMP transmission on the UE

[0006] It can be seen that the existing static correspondence between RRUs and BBUs cannot realize CoMP transmission across base stations, and cannot freely and flexibly select the RRU coordination set actually needed according to the specific location of the UE, thereby limiting the communication transmission performance of the UE. Conducive to improving its service quality and throughput

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