TD-SCDMA的长期演进与HSPA＋增强技术

doi:10.3969/j.issn.1000-0801.2007.06.012

Abstract

Abstract:

In order to improve the transmission rate of TD-SCDMA and approach the technology performance requirements ofIMT-Advanced proposed by ITU, the evolution strategies of TD-SCDMA are urgent. Considering the short term evolutiontechnologies (named as HSPA, including HSDPA and HSUPA) not satisfying with requirements of IMT-Advanced, the HSPA＋ andLTE technologies are proposed. This paper introduced the general evolution strategies of TD-SCDMA, and discussed theenhancement, short term evolution, medium and long term evolution, IMT-advanced based 4G technologies firstly. Then the keytechniques and protocol structure of HSPA＋ are focused, following by the frame structure and multiple access techniques of LTE.The key points and solutions for TD-SCDMA evolution are presented finally.

Key words: KTD-SCDMA, HSPA, HSPA＋, LTE, IMT-Advanced

Mugen Peng,Wei Hong,Wenbo Wang. TD-SCDMA Long Term Evolution and HSPA＋Evolution Technology[J]. Telecommunications Science, 2007, 23(6): 45-52.

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TD-SCDMA Long Term Evolution and HSPA＋Evolution Technology

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