TD-SCDMA系统中HSUPA新技术的研究
首发时间:2010-01-04
摘要:3GPP 标准从R5 引入HSDPA(High Speed Download Packet Access) 后,下行链路的传输速率和吞吐量得到了提高。但是上行链路速率和吞吐量偏低,,不能满足上行速率业务发展需要。因此,3GPP从R6 版本开始,开展了对上行链路增强也称为高速上行分组接入(HSUPA(High Speed Uplink Packet Access)) 的研究和标准制定。本文对HSUPA的关键技术进行了研究,着重研究了HARQ技术和基站调度技术。随着HSPA 商用化产业化日趋成熟,HSUPA日益成为移动通信领域中的焦点。
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Pivotal Technologies of HSUPA in TD-SCDMA
Abstract:To introduce HSDPA (High Speed Download Packet Access)from R5 by 3GPP, the downlink transmission rates and throughput have been improved. But the uplink transmission rates and throughput are too low to suit the needs of commercial development. Therefore, carried out researching and standard-setting on the enhanced uplink, which known as High Speed Uplink Packet Access (HSUPA) by 3GPP from releasing R6. In this article, pivotal technologies of HSUPA researching focused on technology and base stations of the HARQ scheduling technologies. With the commercial-industrial HSPA is getting mature; HSUPA is increasingly becoming the focus of communications mobile.
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