LTE uses OFDM as the basic signal format – OFDMA in the downlink and SC-FDMA in the uplink with various modulation formats. OFDM forms the basic signal format used within 4G LTE .
Read moreWhere is OFDM used?
Orthogonal frequency division multiplexing (OFDM) is a modulation technique that is used in several applications ranging from cellular systems (3GLTE, WiMAX), wireless local area networks (LANs), digital audio radio, underwater communications, and even optical light modulation .
Read moreWhat is 5G Pbch?
PBCH (Physical Broadcast Channel )
Read moreWhat is Pdsch 5G?
In 5G NR, PDSCH is the physical downlink channel that carries user data . DM-RS and PT-RS are the reference signals associated with PDSCH. These signals are generated within the PDSCH allocation, as defined in TS 38.211 Sections 7.4. 1.1 and 7.4.
Read moreWhat is uplink channel?
Last updated: May 5, 2010. The “Downlink” refers to a radio link for the transmission of signals from the test set to a UE (mobile station) while the “Uplink” refers to a radio link for the transmission of signals from a UE (mobile station) to the test set .
Read moreWhich channel is used for DL scheduling?
Physical Uplink Control Channel (PUCCH) : The Physical Uplink Control Channel, PUCCH provides the various control signalling. These signalling are known as Scheduling request, Downlink data ACK/NACK and CQI information.
Read moreWhich channel is used for uplink scheduling in NR?
Dedicated Traffic Channel (DTCH ): It is used for transmission of user data to/from a UE. This is the logical channel type used for transmission of all unicast uplink and downlink user data.29 Eki 2018
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