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LTE vs UMB-Difference between LTE and UMB

This page on LTE vs UMB provides difference between LTE and UMB standards.

Specifications 3GPP LTE 3GPP2 UMB
Channel Bandwidth 1.4,3,5,10,15,20 MHz 1.25,2.5,5,10,20 MHz
Downlink Multiple Access OFDMA OFDMA
Uplink Multiple Access SC-FDMA OFDMA/CDMA
Duplexing scheme FDD,TDD FDD,TDD
Subcarrier mapping localized localized,distributed
subcarrier hopping supported supported
data modulation QPSK,16QAM,64QAM QPSK,8PSK,16QAM,64QAM
subcarrier spacing 15KHz 9.6KHz
FFT size 512,other FFTs are also supported as per BW 512
channel coding convolutional coding,turbo coding convolutional coding,turbo coding,LDPC coding
MIMO Multi-layer precoded spatial multiplexing,
space-time frequency block coding,
switched transmit diversity,
cyclic delay diversity
Multi-layer precoded spatial multiplexing,
space-time transmit diversity,
spatial division multiple access,
beamforming

LTE RELATED LINKS

Difference between SC-FDMA and OFDMA
LTE Cyclic Delay Diversity
LTE eNodeB Physical Layer Measurements
LTE EPC Network Inerfaces
LTE UE Physical Layer Measurements
LTE Bearer types
LTE UE Event Measurement Reporting
LTE RSRP vs RSRQ
LTE Signalling radio bearers
LTE QoS
LTE EPS mobility management states
LTE EPS connection management states
LTE UE cell selection
LTE UE PLMN selection
LTE UE Paging Procedure
LTE CQI vs PMI vs RI
LTE RNTI vs GUTI
LTE Security Basics
LTE Drive Tests and LTE drive test scanner

What is Difference between

difference between FDM and OFDM
Difference between SC-FDMA and OFDM
Difference between SISO and MIMO
Difference between TDD and FDD
Difference between 802.11 standards viz.11-a,11-b,11-g and 11-n
OFDM vs OFDMA
CDMA vs GSM

RF and Wireless Terminologies


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