数字家庭网络发展分析

doi:10.3969/j.issn.1000-0801.2007.06.007

Abstract

Abstract:

With the widespread penetration of broadband access services and the electric products including intelligence appliance, and the increasing demand of users on the control of household electric products and resources sharing, the concept and application of digital home network gain the attention of telecom industry, IT and household eletric product industry. The article introduces the understandings of different industries on digital home network concept, and makes an analysis on the development status of digital home network related key technologies, and finally summarizes the development status of global digital home network market.

Key words: digital home network, market, development

Changqing Sun,Yingtao Zhao. Analysis of Development of Digital Home Network[J]. Telecommunications Science, 2007, 23(6): 23-26.

技术	方便性	速率	距离
以太网	低	高	长
IEEE 1394	中	高	短
HomePNA	中	低	中
PLC	中	中	中
WLAN	高	中	短
UWB	中	高	很短
cable技术	低	高	长

下行链路差异项	AMR 12.2 kbit/s	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

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Analysis of Development of Digital Home Network

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