Restoration protection in communication networks
Resynchronizing circuit for time division multiplex system
Reuse groups for scan monitoring in digital cellular systems
Rf repeaters for time division duplex cordless telephone system
Rf repeaters for time division duplex cordless telephone...
Ring network communication structure on an optical carrier...
Ring transmission system
Ring/mesh optical network
Ringing arrangement for multiplex circuits
Ringing arrangement for mutiplex circuits
Ringing arrangements for time division telephone systems
Ringing circuit for multiplex signaling
Rlp logical layer of a communication station
Robust transmission mode
Root spreading code based assignment for hsdpa
Round-trip delay optimization of multiplexed speech channels
Route-optimised multicast traffic for a mobile network node
Rural carrier telephone transmission system