Title :
Symbol and superbaud timing recovery in multi-h continuous-phase modulation
Author :
Ginesi, Alberto ; Mengali, Umberto ; Morelli, Michele
Author_Institution :
Nortel Networks, Ottawa, Ont., Canada
fDate :
5/1/1999 12:00:00 AM
Abstract :
This paper is concerned with the estimation of two synchronization parameters that play a key role in multi-h continuous-phase modulation receivers-the ordinary symbol timing phase and the so-called superbaud timing phase. The recovery of symbol and superbaud timing is implemented by means of feedforward nondata-aided algorithms. The novelty of the proposed method is that it can be applied to any modulation format, either full or partial response, with binary or multilevel symbols and with arbitrary modulation indices
Keywords :
continuous phase modulation; feedforward; maximum likelihood detection; maximum likelihood estimation; synchronisation; CPM; MLE; binary symbols; feedforward nondata-aided algorithms; full response; maximum-likelihood based synchronization; modulation format; modulation indices; multi-h CPM receivers; multi-h continuous-phase modulation; multilevel symbols; partial response; superbaud timing detector; superbaud timing phase; superbaud timing recovery; symbol timing estimation; symbol timing phase; symbol timing recovery; synchronization parameters; Band pass filters; Bandwidth; Continuous phase modulation; Delay; Frequency synchronization; Low pass filters; Phase estimation; Pulse modulation; Timing; Tracking loops;
Journal_Title :
Communications, IEEE Transactions on
