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Table 4 Summary of simulation parameters.

From: Cross-Layer Resource Scheduling for Video Traffic in the Downlink of OFDMA-Based Wireless 4G Networks

Parameter

Used value/model

Scenario

Wide area DL (frequency adaptive)

Channel model

WINNER C2 channel

Shadowing

Independent lognormal random variables (standard deviation 8 dB)

Sector Tx antenna

directional with WINNER baseline antenna pattern

UT receive antenna

Omnidirectional

Intersite distance

1000 m

Signal bandwidth

15 MHz (i.e., 48 chunks which is 1/3rd of the baseline assumptions)

Mobility

70 km/hr

Sector Tx power

46 dBm

Scheduler

Adaptive Token Bank Fair Queuing, score based, and round-robin

Interference model

brute force method (central cell is considered with interference from the 1st-tier)

Antenna configuration

Single-in-single-out (SISO)

Coding

B-LDPCC

AMC modes

BPSK (rate 1/2 and 2/3), QPSK (rate 1/2, 2/3, and 3/4), 16QAM (rate 1/2, 2/3, and 3/4), and 64QAM (rate 2/3 and 3/4)

AMC thresholds

With FEC block of 1728 bits and 10% BLER

Frame duration

0.6912 ms (scheduling interval)

Traffic model

1.9 Mbps 2IRP model for MPEG video

Packet size

188 Bytes

Packet drop criterion

Delay ≥ 0.19 sec

Simulation time

60 sec

Simulation tools

MATLAB and OPNET