Title :
Mitigating impulse noise over HFC networks for telephony-over-cable
Author :
Kapoor, S. ; Telang, V.P. ; Mills, J.D. ; Makhija, M.G.
Author_Institution :
Tellabs Res. Center, Mishawaka, IN, USA
Abstract :
This paper deals with the design of impulse noise resistant receivers for providing telephony-over-cable (ToC) services over hybrid fiber coax (HFC) networks. We first discuss the overall scenario of ToC services and the impulse noise problems faced by such systems in HFC networks. We then briefly describe the time-frequency characteristics of impulse interference and derive the probability of error for binary and quadrature PSK signalling schemes for impulse noise afflicted channels. In light of the constraints imposed by the ToC problem, the performance of the proposed solution strategies which make use of non-linear processing and channel coding, is evaluated in detail along with simulation results
Keywords :
cable television; channel coding; coaxial cables; encoding; error statistics; optical fibre networks; probability; quadrature phase shift keying; receivers; signal processing; telecommunication signalling; telephony; television interference; time-frequency analysis; HFC networks; binary PSK signalling; cable TV; channel coding; error probability; hybrid fiber coax networks; impulse interference; impulse noise afflicted channels; impulse noise resistant receivers; nonlinear processing; performance; quadrature PSK signalling; simulation results; telephony over cable; telephony over cable services; time-frequency characteristics; Bandwidth; Cable TV; Coaxial cables; Communication cables; Costs; Hybrid fiber coaxial cables; Interference; Optical fiber cables; Optical fiber communication; Telephony;
Conference_Titel :
Global Telecommunications Conference, 1995. GLOBECOM '95., IEEE
Print_ISBN :
0-7803-2509-5
DOI :
10.1109/GLOCOM.1995.502548
