TD-LTE小基站回传承载方案

doi:10.11959/j.issn.1000-0801.2016121

Abstract

Abstract:

The deployment scenario，coverage strategy and site assignment of TD-LTE microcell base station（MiBS） are different from macrocell base station（MaBS）. Using PTN backhaul network of traditional MaBS to carry TD-LTE MiBS will face three challenges：low network performance，poor security and low intelligence. How to build an efficient，safe and intelligent backhaul network solution for MiBS was investigated. Based on China Mobile’s current network，PON+CMNet，PTN+CMNet，PON+PTN，PTN end-to-end four kinds of small cell backhaul network solutions were proposed and furtherly tested and verified. The result shows that 4 solutions all satisfy the communication business requirements of MiBS. In particular，PON+CMNet solution is better than the others in terms of network security，intelligence and efficiency.

Key words: TD-LTE microcell base station, efficiency, security, intelligence, PON, CMNe

Xiaoxia QIN,Chen WANG,Di QIAO. Backhaul carrying scheme of TD-LTE microcell base station[J]. Telecommunications Science, 2016, 32(4): 133-140.

序号	测试项目	专业	厂商A	厂商B	厂商C	厂商D
1	基站自启动	无线	√	√	√	√
2	传输质量验证	传输	√		√
3	故障倒换验证	传输	√		√
4	业务验证（VoLTE）	无线	√	√	√	√
5	业务切换验证	无线	√	√	√	√
6	安全网关验证	核心网	√	√
7	接入网关验证	核心网	√	√
8	EPC pool验证	核心网	√	√
9	QoS映射验证	传输	√		√
10	同步方式验证	传输	√		√
11	运维能力验证	传输	√		√
12	传输安全	传输	√		√

测试项/测试方案		省会城市节点			地市节点
测试项/测试方案	PON+CMNet	PTN+CMNet	PON+PTN	PTN端到端	PON+CMNet	PON+PTN
时延/ms	0.65	0.8	0.5	0.55	9	2.3
平均抖动/μs	40	40	41	10	40
分组丢失率	0	0	0	0	小于0.001%	0

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Backhaul carrying scheme of TD-LTE microcell base station

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