Resource Element Group in LTE In Long-Term Evolution (LTE), Resource Element Group (REG) is a fundamental concept related to physical layer resources. It is essentially a grouping of Resource Elements (REs), which are the smallest units of the time-frequency grid in LTE. The REG is used to allocate resources for transmission and reception. Now, let’s … Read more
Dedicated Control Channel (DCCH) in GSM SDCCH (Stand-alone Dedicated Control Channel) Uplink and Downlink. Used for call setup, authentication, ciphering location update and SMS. SACCH (Slow Associated Control Channel) Downlink and Uplink. Used to transfer signal while MS have ongoing conversation on traffic or while SDCCH is being used. On the forward link, the SACCH … Read more
Carries physical layer signaling to a single UE, such as modulation scheme (1 bit), channelization code set (7 bit), transport block size (6bit), HARQ process number (3bit), redundancy version (3bit), new data indicator (1bit), UE identity (16bit) HS-SCCH is a fixed rate (60 kbps, SF=128) downlink physical channel used to carry downlink signaling related to … Read more
HS-PDSCH in WCDMA mainly for 2 works, Bearing service data and layer 2 overhead bits mapped from the transport channel SF=16, can be configured several channels to increase data service HS-PDSCH High-Speed Physical Downlink Shared Channel is a channel added to UMTS to increase downlink data rates. This is defined in Release 5 of the … Read more