name: 4C-HSDPA
full_form: Four-carrier HSDPA
context: Support of intra-frequency SI acquisition for HO Defines whether the UE supports, upon configuration of "Intra-frequency SI Acquisition", acquisition of relevant information from a neighbouring intra-frequency cell by reading the SI of the neighbouring cell and reporting the acquired information to the network. Support of inter-frequency SI acquisition for HO Defines whether the UE supports, upon configuration of "Inter-frequency SI Acquisition", acquisition of relevant information from a neighbouring inter-frequency cell by reading the SI of the neighbouring cell using autonomous gaps and reporting the acquired information to the network. Support of E-UTRA SI acquisition for HO Defines whether the UE supports, upon configuration of "E-UTRA SI Acquisition", acquisition of relevant information from a neighbouring E-UTRA cell by reading the SI of the neighbouring cell using autonomous gaps and reporting the acquired information to the network.
description: Four-carrier HSDPA (4C-HSDPA) is a technology enhancement to High-Speed Downlink Packet Access (HSDPA). It allows for simultaneous use of four carriers to increase downlink data transmission rates. This technology is defined within the context of adjacent channel selectivity requirements, which specify how well user equipment (UE) can reject interference from adjacent channels while receiving signals on multiple carriers.
explanation: The text describes 4C-HSDPA as a technological enhancement to HSDPA, focusing on technical specifications like adjacent channel selectivity and data transmission rates. The mention of test parameters and requirements further solidifies its classification as a technology.
section_title: 7.5.3	Additional requirement for single band/dual band 4C-HSDPA
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