MEP Conceptual Block Diagram
Outdoor Unit
DualBand
Feed
3.4 GHz (GroundSat mode)
or 5.6 GHz (simplex mode)
10 MHz BW
5.6 GHz
10 MHz BW
Power
Amp
LNA
or LNB
Upconverter
Bandwidth = 10 MHz
Center Frequency = TBD
PTT
Bandwidth = 10 MHz
Center Frequency = TBD
DDS (for FH-CDMA)
or
PSK modulator (for FDMA)
A/D
Converter
Symbols @ coded data rate
Freq Channel Info [@ hop rate]
Tx Power level
Samples
Digital
Controller
Ethernet
Interface
to
Indoor
Unit
Power for outdoor unit
Version 1
2008-10-15 KB5MU
MEP Conceptual Block Diagram
Indoor Unit
to Outdoor Unit
Power for Outdoor Unit
Ethernet
Interface
everything
between
these lines
is probably
all software
Digital
Controller
Samples
Channel
Access
Controller
Demodulator
Tx
Symbol
Buffer
Symbols
Preamble
Detection
Block
Decoder
Rx Data
Dispatch
Tx
Channel
Coder
Protocol
Controller
Ethernet
Interface
User's
PC
Tx Data
Multiplexer