In this paper we consider the application of per-survivorprocessing and diversity techniques to a partial responsecontinuous phase modulation (PR-CPM) maximum likelihoodsequence estimation (MLSE) receiver design. In particular, weconsider practical implementation in a public safety narrowbandradio environment. Frequency pulse truncation and tilted phaseare used to reduce the number of states in the PR-CPM trelliswith little loss in real world performance. Selection, equal gainand maximum ratio combining techniques are also considered toassess the practical benefit in system deployment.
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