Obtaining More Realistic Cross-Layer QoS Measurements: A VoIP over LTE Use Case

Table 1

Resource scheduling and radio frequency configuration in the LTE test base station.

Parameter	Configuration
MIMO configuration	2 × 2
Channel bandwidth	10 MHz
Reference signal power	−60 dBm/15 kHz
Noise power	−67 to −73 dBm/15 KHz
Max HARQ retransmissions	3
RLC transmission mode	UM
RLC sequence number size	5
PDCP discard policy	No discard
PDCP sequence number size	7
Peak PDSCH bandwidth	120 Kbps
Resource allocation	Periodic, 5 ms
Modulation	16QAM
MCS (mod.& coding index)	13
PHICH duration	Normal
PHICH resources	1/6
Number of PDCCH symbols	1
Specific aggregation level	2
Fading profile	EPA5