LTE FDD Performance Simulations RA41209EN60GLA0 1
LTE FDD Performance Simulations
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LTE FDD Performance Simulations
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•Following overheads not reduced: CRC, L2/L3 headers, IP headers
•Following overheads reduced
Synchronization, reference, PBCH, PCFICH, PHICH and 1 PDCCH symbol
•Relative overheads
Reference symbol overhead 9.5% with 2x2 MIMO
PDCCH overhead 7.1% with single symbol (two symbols with 1.4 MHz)
Other overheads <1% with 10 MHz bandwidth
UPLINK
•Following overheads not reduced: CRC, L2/L3 headers, IP headers
•Following overheads reduced
1 symbol for reference symbol
1 resource block for PUCCH
•Relative overheads
Reference symbol overhead 14.3%
PUCCH overhead 2.5%
VIRTUAL MIMO: (multi user MIMO) 2 UEs with 1Tx antenna each can communicate with an eNodeB simultaneously using the same resource blocks simultaneously ( A way for operators to increase capacity). As UEs are assumed to be physically distant from each other the resulting combined transmissions arrive at the eNodeB as multipath and can be processed in the same way as separate MIMO streams. It doubles capacity of the UL.
LTE FDD Performance Simulations
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