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Manpack UHF Radios
Model, simulate and analyze the performance of a Tactical MANET radio network
- 50 soldiers engaging the enemy, are divided into five groups with 10 in each group.
- Soldiers in each group are continuously moving. Soldiers belonging to a group move together
- Communication happens within the group, as well as across the group.(Inter and Intra communication).

- Technology: MANET over TDMA
- Simulation Environment Size: 5 Km * 5 Km
- No. of wireless nodes – 50 wireless nodes in 5 groups of 10
- Transport Layer UDP
- Network layer DSR, AODV, ZRP, OLSR
- Data Link Layer Dynamic TDMA
- Physical Layer
- Protocol: DTDMA
- Band : UHF
- Frequency Range : 476 MHz to 478 MHz
- Channel Bandwidth (MHz): 2
- Frequency Hopping : ON
- Modulation : QPSK, 16-QAM, 64-QAM
- Transmitter power : 4W
- Receiver sensitivity : -119 dBm
- RF Propagation:
- Path Loss Model : LOG_DISTANCE
- Fading Model : Rayleigh
- Fading Figure (m) : 1
- Shadowing Model: Log Normal
- Applications: 13 Voice Applications
- Traffic rate:
- 9.6 Kbps voice traffic
- Two voice applications between the same group members
- One voice application between the members in different groups
- Crypto: AES
Performance Analysis:
- We analyze the performance of Network layer protocols AODV and OLSR in terms of the latency experienced by the voice packets. We also analyze how multi-hop communication happens in this case.
Conclusions
- AODV protocol has lower latency when compared to OLSR, and hence the preferred protocol to use
- The latency exceed acceptable theshold when there are more than four hops involved