Ricochet Wireless Network

Ricochet Portable Modem

MH

Modem PR

FH

Internet Server

Ethernet Radios

(WAP)

Pole-top Radios

(half-duplex)

Client

RTS

CTS

RTS

Backoff

S/R/S

R/S/R

Synchronization before communication (RTS/CTS)

Backoff if peer is busy

Half-duplex radio turnarounds (S/R modes)

Large and variable per-packet overhead
• Increased packet count results in variable latency
• Ack flow adversely affects data packet latency

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