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Table 1 System parameters used for experimental set up

From: System value-based optimum spreading sequence selection for high-speed downlink packet access (HSDPA) MIMO

Parameter name

Parameters used

Transmission bandwidth

5 MHz

Chip rate

3.84 Mchips/s

Chip duration

260 ns

Processing gain

N=16

Spreading sequence

OVSF codes

Full number of spreading sequences

K f =2N=32

Symbol duration

4.167 μ s

Symbol rate

240 kbps

Modulation schemes

4,16,64 QAM

TTI

2 ms

Set of discrete rates

{b p :p=1,…,12}={0.5,1,1.5,2,…,5.5,6}

Gap value

Γ=0 dB

Noise variance

σ2=0.02