From: Cellular-D2D resource reuse algorithms based on proportional fairness
Parameter | Value |
---|---|
Cell radius | 500Â m |
Maximum distance for the D2D pair | 200Â m |
Carrier frequency (f c) | 2Â GHz |
Uplink bandwidth | 10Â MHz |
Number of sub-channels | 10 |
Maximum transmit (Tx) power | 23Â dBm |
Path loss model | \( {\displaystyle \begin{array}{l}{PL}_{\mathrm{LOS}}=40{\mathrm{log}}_{10}(d)+7.56-17.3{\mathrm{log}}_{10}\left({h}_1^{\prime}\right)-17.3{\mathrm{log}}_{10}\left({h}_2^{\prime}\right)+2.7{\mathrm{log}}_{10}\left({f}_c\right)\\ {}{PL}_{\mathrm{NLOS}}=\left(44.9-6.55{\mathrm{log}}_{10}\left({h}_1\right)\right)\cdot {\mathrm{log}}_{10}(d)+5.83{\mathrm{log}}_{10}\left({h}_1\right)+9.78+34.97{\mathrm{log}}_{10}\left({f}_{\mathrm{c}}\right)\end{array}} \) where the probability of LOS can be expressed by \( {P}_{\mathrm{LOS}}=\min \left(\frac{18}{d},1\right)\cdot \left(1-{e}^{-\frac{d}{36}}\right)+{e}^{-\frac{d}{36}} \) (1) Cellular communication: The distance between CU and BS is denoted by d; h 1 = 10m, \( {h}_1^{\prime }=9\mathrm{m} \), and \( {h}_2^{\prime }=0.5\mathrm{m} \) denote the antenna height of BS, the effective height of BS, and the effective height of CU, respectively; (2) D2D communication: The distance between D2D pair is denoted by d; h 1 = 1.5m, \( {h}_1^{\prime }=0.5\mathrm{m} \) and \( {h}_2^{\prime }=0.5\mathrm{m} \) denote the antenna height of D2D receiver, the effective height of D2D receiver, and the effective height of D2D transmitter, respectively. |
Shadowing | Log-normal distribution with standardization deviation 7Â dB |
Multiple-path fading | Rayleigh distribution |