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A Three customer claimed a mobile speed of 9 Mbps at home, nearly three times the average of their fixed line broadband.
Shows the HNN-TE and CTE performance in systems with CIR lengths of L = 4, L = 6, and L = 8 at a mobile speed of 20 km/h.
Simulations were done for MCS 2 through a multipath channel which has the same profile as ITU-Pedestrian B Channel with the mobile speed of 3 Km/h.
Note that in these series of experiments, the mobile speed of MANET members is set to be 5 to 20 m/s.
The variation of coherence time with frequency is depicted in Figure 1 for a typical wideband channel at a reference mobile speed of 5 m/s.
Figure 17 shows the performance of the HNN-TE for a channel of length L = 50 at a mobile speed of 20 km/h for BPSK and 4-QAM modulation, assuming perfect CSI, for different code rates.
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A true 4G technology needs to achieve stationary speeds of 1Gbit/s and mobile speeds of 100Mbit/s.
For mobile speeds of 80 and 110 km/h the DBN-TE outperforms the CTE.
The feedback is valid for two frame durations, which is less than the coherence time for mobile speeds of up to 100 km/hr.
Shows the HNN-TE BPSK and 4-QAM performance in a system with CIR length L = 50 at mobile speeds of 20 km/h, 80 km/h, 140 km/h, and 200 km/h.
Shows the HNN-TE and CTE performance in a system with CIR length L = 6 at mobile speeds of 3 km/h, 20 km/h, 50 km/h, 80 km/h, and 110 km/h.
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