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Fig. 11
The comparison among calculated MSQE of proposed methods and uniform quantizer_
| Bits per sample | Uniform Quantizer (MSQE) | BGAI Quantizer MSQE | BUAI Quantizer MSQE |
|---|---|---|---|
| 5 | -104.29 dB | -109.86 dB | -118.64 dB |
| 6 | -110.44 dB | -118.26 dB | -124.98 dB |
| 7 | -116.61 dB | -125.68 dB | -131.14 dB |
| 8 | -122.62 dB | -131.69 dB | -137.21 dB |
| 9 | -128.65 dB | -136.39 dB | -143.28 dB |
| 10 | -134.66 dB | -142.84 dB | -149.28 dB |
| 11 | -140.72 dB | -149.19 dB | -155.24 dB |
| 12 | -146.70 dB | -155.67 dB | -161.22 dB |
| 13 | -152.76 dB | -160.95 dB | -167.27 dB |
| 14 | -158.73 dB | -166.65 dB | -173.32 dB |
| 15 | -164.78 dB | -172.85 dB | -179.37 dB |
| 16 | -170.79 dB | -185.00 dB | -185.42 dB |
| 17 | -176.80 dB | -194.03 dB | -191.47 dB |
| 18 | -182.87 dB | -200.19 dB | -197.55 dB |
| 19 | -188.90 dB | -206.25 dB | -203.49 dB |
| 20 | -194.88 dB | -212.12 dB | -209.48 dB |
The transmission range for different amount of λ_
| Bits per sample | Transm. range | Transm. range | Transm. range | Transm. range | Transm. range |
|---|---|---|---|---|---|
| 5 | 0.95 m | 8.62 m | 34.48 m | 77.58 m | 137.92 m |
| 6 | 1.98 m | 17.90 m | 71.6 m | 161.11 m | 286.4 m |
| 7 | 4.04 m | 36.39 m | 145.56 m | 327.51 m | 582.24 m |
| 8 | 8.15 m | 73.19 m | 292.76 m | 658.71 m | 1171.04 m |
| 9 | 16.37 m | 147.40 m | 589.6 m | 1326.6 m | 2358.4 m |
| 10 | 31.31 m | 281.83 m | 1127.32 m | 2536.47 m | 4509.12 m |
The comparison among calculated SNR of the proposed methods and a uniform quantizer_
| Bits per sample | Uniform Quantizer (SNR) | BGAI Quantizer (SNR) | BUAI Quantizer (SNR) |
|---|---|---|---|
| 5 | 28.38 dB | 33.95 dB | 42.72 dB |
| 6 | 34.52 dB | 42.34 dB | 49.06 dB |
| 7 | 40.69 dB | 49.77 dB | 55.22 dB |
| 8 | 46.70 dB | 55.77 dB | 61.29 dB |
| 9 | 52.73 dB | 60.47 dB | 67.37 dB |
| 10 | 58.74 dB | 66.92 dB | 73.37 dB |
| 11 | 64.80 dB | 73.28 dB | 79.33 dB |
| 12 | 70.79 dB | 79.75 dB | 85.30 dB |
| 13 | 76.84 dB | 85.04 dB | 91.35 dB |
| 14 | 82.86 dB | 90.73 dB | 97.40 dB |
| 15 | 88.86 dB | 96.93 dB | 103.38 dB |
| 16 | 94.87 dB | 109.09 dB | 109.51dB |
| 17 | 100.88 dB | 118.11 dB | 115.56 dB |
| 18 | 106.95 dB | 124.27dB | 121.63 dB |
| 19 | 112.98 dB | 130.34 dB | 127.57 dB |
| 20 | 118.96 dB | 136.20 dB | 133.56 dB |
The transmission range for λ = 1 meter_
| Bits per sample | Minimum received SNR | SNR of transmitted signal | Transmission range for λ=1 m |
|---|---|---|---|
| 5 | 2 dB | 42.72 dB | 8.62 m |
| 6 | 2 dB | 49.06 dB | 17.90 m |
| 7 | 2 dB | 55.22 dB | 36.39 m |
| 8 | 2 dB | 61.29 dB | 73.19 m |
| 9 | 2 dB | 67.37 dB | 147.40 m |
| 10 | 2 dB | 73.37 dB | 281.83 m |