Performance analysis of differential spatial modulation with two transmit antennas

Miaowen Wen, Zhiguo Ding, Xiang Cheng, Yuyang Bian, H. Vincent Poor, Bingli Jiao

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


Differential spatial modulation (DSM) is favorable in practice since it can offer a better tradeoff between reception reliability and system complexity in comparison with coherent spatial modulation (SM). In this letter, the bit error probability (BEP) performance of a point-to-point communication system, in which DSM is adopted at a transmitter equipped with two antennas, is analyzed. A general expression for an upper bound on the average BEP (ABEP) achieved by the system under Rayleigh fading channels is derived. Moreover, a closed-form ABEP and an asymptotic analysis are provided for BPSK signaling. The derived analytical results verify that DSM leads to a less than 3dB signal-to-noise power ratio penalty with respect to coherent SM while maintaining the same data rate of 2bit/s/Hz.

Original languageEnglish (US)
Article number6784550
Pages (from-to)475-478
Number of pages4
JournalIEEE Communications Letters
Issue number3
StatePublished - Mar 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


  • Spatial modulation (SM)
  • asymptotic analysis
  • bit error probability
  • differential modulation


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