!多载波TD-HSDPA组网技术分析

doi:10.3969/j.issn.1000-0801.2007.06.011

Telecommunications Science ›› 2007, Vol. 23 ›› Issue (6): 41-44.doi: 10.3969/j.issn.1000-0801.2007.06.011

• special:TD-SCDMA technology • Previous Articles Next Articles

Multi-carrier HSDPA Network Technology in TD-SCDMA System

Jiandi Luo,Dongzhao Zhu,Pinyong Zhao

Huaxin Consulting Co.,Ltd.,Hangzhou 310014,China

Online:2007-06-25 Published:2017-06-30

Abstract

Abstract:

The paper introduces the characteristic of multi-carrier HSDPA in TD-SCDMA system, and then discusses the advantages and disadvantages among three different R4 and HSDPA mixed networks technology. On the base of discussion, the paper performs some type channel configuration methods,and the TD-HSDPA simulation of capability and capacity.

Key words: TD-SCDMA, HSDPA, mixed network, channel configuration, simulation

Jiandi Luo,Dongzhao Zhu,Pinyong Zhao. Multi-carrier HSDPA Network Technology in TD-SCDMA System[J]. Telecommunications Science, 2007, 23(6): 41-44.

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比较项	独立载波	独立时隙	混合时隙
优点	独立组网，互不影响；单载波支持数据速率高	R4与HSDPA 资源分配灵活，载波间负载均衡，上下行资源优化；支持R4与HSDPA 并发业务；节省投资	R4与HSDPA 资源分配灵活，载波间负载均衡，上下行资源优化；支持R4与HSDPA并发业务
缺点	单独占用一个频点，建设成本高；R4与HSDPA共享程度低，资源分配不灵活；不支持R4与HSDPA并发业务	存在相邻小区时隙间干扰；单载波支持数据速率低；终端需要支持多载波	干扰大；单载波支持数据速率低；终端需要支持多载波；功率和码资源规划复杂
使用场合	多载波网络；网络建设初期	载波数量较少的网络；网络成熟期	不建议

下行链路差异项	AMR 12.2 kbit/s	CS 64 kbit/s	PS 64 kbit/s	PS 128 kbit/s	PS 384 kbit/s	164 kbit/s （HSDPA）	300 kbit/s （HSDPA）
用户每天线最大发射功率（dBm）	19	24	22	22	25	25	25
要求E_b/N₀（dB）	9.7	12.5	7.2	6.7	8	11.09	14.92
功控余量（dB）	1	1	1	1	1	0	0
接收机灵敏度（dBm）	－106.26	－96.54	－101.59	－102.28	－98.07	－94.84	－90
人体损耗（dB）	3	0	0	0	0	0	0
与AMR差值（dB）	0	－1.72	1.33	2.02	0.81	－1.42	－6.26

典型区域	普通市区	密集市区	郊区
选用信道模型	PA3	PA3	VA30
HSDPA接收电平（dBm）	－88.93	－88.93	－88.93
E_c/I_inter（dB）	3.55	3.55	3.55
边缘速率（kbit/s）	370	267	195

边缘覆盖电平（dBm）	－106.7	－96.7	－86.7	－76.7	－66.7
OTA（kbit/s）	637.4	1 075.8	1 386.4	1 389.8	1 378.7
边缘速率（kbit/s）	158.52	274.14	572.52	589.08	602.54

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Multi-carrier HSDPA Network Technology in TD-SCDMA System

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