L800M非协议带宽的网络部署研究
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摘要
随着4G网络规模和业务的高速发展,3G用户逐步向4G网络迁移,4G网络驻留时长占比已经达到98%以上,为L800M网络深度重耕打下了基础。重耕方案为3G网络仅保留带宽两端的频点分别提供语音和数据业务,L800M利用PRB裁剪技术实现非协议带宽网络部署。使用PRB裁剪技术可实现将LTE发射信号限定在非协议带宽内,同时不对带宽相邻的3G语音和数据频点造成干扰,实现了L800M由目前的5 MHz重耕至灵活的非协议带宽(7.2 MHz或8 MHz),从而提升了LTE小区容量和用户体验速率。
With the rapid development of 4G network scale and services, 3G users gradually migrate to 4G networks. The proportion of 4G network resident time now reaches more than 98%, laying a solid foundation for the deep re-cultivation of the L800 M network. The re-cultivation scheme is that the 3G network only reserves the frequency points at both ends of the bandwidth to provide voice and data services respectively, and the L800 M uses the PRB tailoring technology to implement non-protocol bandwidth network deployment. The PRB tailoring technique can be used to limit the LTE transmission signal to a non-protocol bandwidth without causing interference to the adjacent 3G voice and data frequency points of the bandwidth. This enables the L800 M to be re-cultivated from the current 5 MHz to flexible non-protocol bandwidth(7.2 MHz or 8 MHz), thereby increasing the LTE cell capacity and user experience rate.
With the rapid development of 4G network scale and services, 3G users gradually migrate to 4G networks. The proportion of 4G network resident time now reaches more than 98%, laying a solid foundation for the deep re-cultivation of the L800 M network. The re-cultivation scheme is that the 3G network only reserves the frequency points at both ends of the bandwidth to provide voice and data services respectively, and the L800 M uses the PRB tailoring technology to implement non-protocol bandwidth network deployment. The PRB tailoring technique can be used to limit the LTE transmission signal to a non-protocol bandwidth without causing interference to the adjacent 3G voice and data frequency points of the bandwidth. This enables the L800 M to be re-cultivated from the current 5 MHz to flexible non-protocol bandwidth(7.2 MHz or 8 MHz), thereby increasing the LTE cell capacity and user experience rate.
引文
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[2]张晓江.农村低频段LTE广覆盖能力研究[J].移动通信,2015,39(16):5-9.ZHANG Xiao-jiang.Research on the Broad Coverage Capacity of Rural Low-frequency LTE[J].Mobile Communications,2015,39(16):5-9.
[3]王屈桥,燕历科,杨耀.中国电信LTE 800M建设策略分析[J].广东通信技术,2016(05):59-61.WANG Qu-qiao,YAN Li-ke,YANG Yao.Strategic Analysis of LTE 800M Construction of China Telecom[J].Guangdong Communication Technology,2016(05):59-61.
[4]张超,李荣,蒋晓虞.基于800MHz频段的LTE网络规划研究[J].移动通信,2016,40(02):18-20.ZHANG Chao,LI Rong,JIANG Xiao-yu.LTE Network Planning Research Based on 800MHz Band[J].Mobile Co mmunication,2016,40(02):18-20.
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