Research Article
Performance of Cross-Layer Design with Antenna Selection and Imperfect Feedback Information in MIMO Systems
Table 1
Parameter description.
| | Parameter | Description |
| | Number of transmit antenna | | The average SNR | | H | Channel matrix | | Target PER | | Maximum number of retransmissions | | Fixed switching thresholds (FST) | | Average PER | | Average SE of the system at the PHY | | Estimated instantaneous PER | | MAP function | | Average PLR | | c | Channel correlation coefficient | | (·) | The zero-order Bessel function of the first kind | | Number of receive antenna | | MQAM constellation size | | Time-delayed version of H | |
loss | Target PLR | | Average number of transmissions per packet | | Variable switching thresholds (VST) | | Average PER for constellation size | | Overall average SE of the system | | Instantaneous PER | | Approximate form of the MAP function | | Power gains of channel | | Estimation error equal to 1 − 2 | | (·) | The vth order-modified Bessel function of the first kind |
|
|
