Table 1 Parameters and features of the HARQ-based MIMO BIC-OFDM system
From: Cross-layer link adaptation for goodput optimization in MIMO BIC-OFDM systems
Parameter/feature | Symbol | Value/description |
|---|---|---|
RLC-PDU | ||
RLC-PDU length | Np+NCRC | 1056 bits |
OFDM | ||
No. of active subcarriers | N | 1320 |
FFT size | N FFT | 2048 |
CP length | N CP | 160 samples |
Modulation and coding | ||
Bits per subcarrier | \({\mathcal {D}}_{m}\) | {2,4,6} |
Code type | PCCC turbo-code | |
Mother code rate | 1/3 | |
Punctured code rates | \(\mathcal {D}_{r}\) | {78,120,193,308,449,602,378, |
490,616,466,567,666,772,873, | ||
948}/1024 | ||
Transmitted power | P | 40 dBm |
Bandwidth | W | 20 MHz |
Multi-antenna configuration | N R ×N T | |
4x4 (MIMO) in Fig. 6 | ||
8x8 (MIMO) in Fig. 7 | ||
ARQ | ||
ARQ scheme | Multiple-channel Stop & Wait | |
No. of PRs | L | 10 |