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本栏目在去年3月和5月推出过有关3G演进和LTE的主题探讨,业界当时观点纷纭,主要集中于两种:一是按部就班,即3G→HSPA→HSPA+→LTE;二是稳守HSPA等待LTE成熟甚至直奔4G。同时,国内芯片、终端、测试厂商给出模糊的LTE发展时间表,并对国际电信运营商的LTE发展感到压力。一年后再来看这些信息:主流设备厂商已可提供TD-LTE商用或准商用设备;TD-LTE被列入手机和芯片厂商的重点布局;中国移动开始LTE世博园外场测试;TD-LTE的终端认证相关标准将完成;中国联通将在北京、上海、广州等城部署HSPA+;2010年中国市场上所有TD-SCDMA和WCDMA3G手机芯片均将支持HSPA。通信技术的发展犹如多足并进的事物,有无限种可能。2010开年,国际业界便有两种不同声音:一是HSPA+演进遭遇技术困难,运营商选择直接向LTE演进;另一是LTE在2009年发展放缓,给HSPA+发展留下时间。我国3G网络,特别是具有知识产权的TD-SCDMA应如何演进?本期“热点争鸣”将对此进行探讨。
This column was launched in March and May last year, the theme of 3G evolution and LTE discussion, the industry was divided on different views, mainly in two ways: First, step by step, that is, 3G → HSPA → HSPA + → LTE; Second, keep the HSPA wait LTE mature or even went straight to 4G. At the same time, the domestic chip, terminal, test vendors are given a vague LTE development schedule, and the development of international telecom operators LTE pressure. A year later to see the information: the mainstream equipment manufacturers have been able to provide TD-LTE commercial or quasi-commercial equipment; TD-LTE was included in the key layout of mobile phone and chip makers; China Mobile began LTE field test; TD-LTE China Unicom will deploy HSPA + in cities such as Beijing, Shanghai and Guangzhou; and all TD-SCDMA and WCDMA 3G mobile handsets in China will support HSPA in 2010. The development of communications technology is like a multi-pronged thing, with unlimited possibilities. There are two different voices in the international arena from the beginning of 2010: One is that HSPA + has been experiencing technical difficulties in evolution. Operators choose to directly evolve to LTE. The other is the slowdown of LTE in 2009, leaving time for the development of HSPA +. China’s 3G networks, especially with the TD-SCDMA intellectual property should evolve? This issue of “hot debate” will be discussed.