Question: For a UTRA FDD User Equipment (UE) supporting HSDPA, which UE capability categories are subject to receiver open loop transmit diversity performance requirements for HS-DSCH in multi-path fading environments?
Option 1: Categories 7 to 10, 13 to 14, and optional enhanced performance requirements type 3
Option 2: Categories 1 to 6, and 11 to 12
Option 3: Categories 15 to 18, and all enhanced performance requirements
Option 4: Categories 21 and above, with mandatory enhanced performance requirements
Explanation: According to the specifications, for Release 7 and later releases, these requirements apply to UEs supporting HSDPA in categories 7 to 10, 13 to 14, and those with optional enhanced performance requirements type 3.