Saturday, 27 September 2014

PDCCH - Physical Downlink Control

• Carries Downlink Control Information (DCI), resource block assignments for transmissions
– Assignment information is sent every subframe
• Sent in a small set of Control Channel Elements
– So UE does not need to decode all the PDCCH
– Space for Control channel assignments is known to all
– Space for Dedicated assignments is per mobile
• CRC of the Assignments depends on the mobile’s active identity (implicit addressing)
• Modulation QPSK

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