The following publications are possibly variants of this publication:
- Multiple-symbol differential sphere decodingLutz Lampe, Robert Schober, Volker Pauli, Christoph Windpassinger. icc 2004: 787-791 [doi]
- Multiple-symbol differential sphere decoding for unitary space-time modulationVolker Pauli, Lutz Lampe. globecom 2005: 6 [doi]
- Turbo DPSK using soft multiple-symbol differential sphere decodingVolker Pauli, Lutz H.-J. Lampe, Robert Schober. TIT, 52(4):1385-1398, 2006. [doi]
- On the Complexity of Sphere Decoding for Differential DetectionVolker Pauli, Lutz H.-J. Lampe. TIT, 53(4):1595-1603, 2007. [doi]