High-speed uplink packet access
Abstract
High-Speed Uplink Packet Access (HSUPA), also known as Enhanced Uplink, was introduced in WCDMA release 6. It provides improvements in WCDMA uplink capabilities and performance in terms of higher data rates, reduced latency, and improved system capacity and is therefore a natural complement to HSDPA. Together, the two are commonly referred to as High-Speed Packet Access (HSPA). This chapter describes in detail release 6 HSUPA since HSUPA is the fundamental uplink building block of the subsequent HSPA evolution. Subsequent chapters then elaborate on the enhancements to the release 6 HSUPA framework that were introduced in later releases.
Keywords
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