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Table 3 Throughput improvements obtained using fuzzy and GRAMAKA schemes over throughput obtained using knapsack algorithm, which serves as base line for voice traffic (CBR)

From: A new cross-layer scheme that combines grey relational analysis with multiple attributes and knapsack algorithms for WiMAX uplink bandwidth allocation

Users number

Fuzzy (%)

GRAMAKA (%)

100

1.1

2.9

200

1.4

3.9

300

4.8

13

400

6.6

17.9

500

6.6

23.9

600

11.2

29.9