Table 9 Optimizations of low-cost and low-power M2M devices in 3GPP Release 12 and upcoming Release 13 [6, 170–172]
From: Mobile M2M communication architectures, upcoming challenges, applications, and future directions
Parameters | Release 8 | Release 8 | Release 12 | Release 13 |
|---|---|---|---|---|
| Â | (cat-4) | (cat-1) | (cat-0) | Â |
MTC device bandwidth (MHz) | 20 | 20 | 20 | 1.4 |
Peak data rate downlink | 150 Mbps | 10 Mbps | 1 Mbps | 200 Kbps with a transport |
| Â | Â | Â | Â | block size (TBS) of 1000 bits |
| Â | Â | Â | Â | unicast traffic |
Peak data rate uplink | 50 Mbps | 5 Mbps | 1 Mbps | 200 Kbps with a transport |
| Â | Â | Â | Â | block size (TBS) of 1000 bits |
| Â | Â | Â | Â | unicast traffic |
Duplex mode | Full duplex (opt.) | Full duplex | Half duplex (opt.) | Half duplex (opt.) |
Max. device Tx power (dBm) | 23 | 23 | 23 | 20 |
Modem complexity (%) | 125 | 100 | 50 | 25 |
compared to Cat-1 | Â | Â | Â | Â |