Final report on link level and system level channel models - Winner
Final report on link level and system level channel models - Winner
Final report on link level and system level channel models - Winner
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WINNER D5.4 v. 1.4<br />
Max. number of transmitter <strong>channel</strong>s<br />
(Tx-antennas)<br />
Max. number of receiver <strong>channel</strong>s (Rxantennas)<br />
Maximum RF power in antenna input<br />
(after TX switch)<br />
Max. zero-to-zero b<strong>and</strong>width<br />
Chip rate<br />
Sequence length (defines maximum<br />
excess delay)<br />
Sampling frequency<br />
Propagati<strong>on</strong> delay resoluti<strong>on</strong><br />
5.15−5.35 GHz, 5.725−5.875 GHz<br />
64 limited by NOK switch<br />
64 limited by NOK switch<br />
+24 dBm +35dBm with external<br />
power amplifier<br />
200 MHz<br />
0.5 ... 100 MHz<br />
31 ... 4096 chips<br />
1 ... 2000 MHz<br />
10 ... 10000 ns ( = 1 / chip rate)<br />
RF sensitivity -87 dBm (@100 MHz<br />
b<strong>and</strong>width)<br />
Max. meas. data storage rate<br />
2 x 20 Mbytes/s<br />
5.1.2.2 Medav <strong>channel</strong> sounder<br />
Figure 5.2 shows the principal structure of the Medav RUSK Channel Sounder [Medav]. Furthermore,<br />
Table 5.4 summarizes the technical key features of the sounder setup, which were used during the MIMO<br />
measurements.<br />
Mobile<br />
Transmitter<br />
RF down c<strong>on</strong>verter<br />
Receiver<br />
Digital demodulator<br />
Display<br />
Arbitrary<br />
waveform<br />
generator<br />
Local<br />
Oscillator<br />
Mux<br />
Tx<br />
array<br />
Rx array Mux<br />
~<br />
Local<br />
Oscillator<br />
~<br />
A<br />
D<br />
8 bit<br />
640 MHz<br />
PC<br />
hard disc<br />
array<br />
Rubidium<br />
frequency<br />
reference<br />
Positi<strong>on</strong> (GPS, wheel sensors)<br />
Rubidium<br />
frequency<br />
reference<br />
Positi<strong>on</strong> (data telemetry)<br />
Figure 5.2: Block diagram of the RUSK Channel Sounder from Medav.<br />
Table 5.4: Key features of the Medav RUSK <strong>channel</strong> sounder.<br />
Feature Value Note<br />
Frequency range 1.2 ….2.x GHz; 5…6 GHz customized<br />
Max. number of transmitter <strong>channel</strong>s<br />
(Tx-antennas)<br />
Max. number of receiver <strong>channel</strong>s (Rxantennas)<br />
Maximum RF power in antenna input<br />
(after TX switch)<br />
Test signal<br />
Sequence length (defines maximum<br />
excess delay)<br />
Up to 2 16 <strong>channel</strong>s, e.g.,<br />
also depending <strong>on</strong><br />
16 transmit <strong>and</strong><br />
switches<br />
64 receive antennas also depending <strong>on</strong><br />
switches<br />
2 W also depending <strong>on</strong><br />
switches<br />
Multi Carrier Spread Spectrum<br />
Signal (MCSSS)<br />
256 – 8192 spectral lines depending <strong>on</strong> IR length<br />
Page 58 (167)
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