Research and Practice of 5G Remote Interference Optimization
At present,the 5G networks of C-band in China adopts TDD mode.Unlike FDD mode,if the downlink signal propagation delay of TDD base stations exceeds the GAP length and falls into the uplink receiving window of other base stations,it will generate remote interference,seriously affecting the quality of uplink services.In view of 5G remote interference,the current mainstream optimization solutions in the industry are divided into three categories:modification of the time slot structure,interference suppression at the victim site,and independent interference reduction at the interference sources.The technical principles of the above three types of schemes are discussed separately,and their effects are compared through practical optimization practices.
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