Beamforming design for joint localization and data transmission in distributed antenna system

Seongah Jeong, Osvaldo Simeone, Alexander Haimovich, Joonhyuk Kang

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


A distributed antenna system whose goal is to provide data communication and positioning functionalities to mobile stations (MSs) is studied. Each MS receives data from a number of base stations (BSs) and uses the received signal not only to extract the information but to determine its location as well. This is done based on time-of-arrival or time-difference-of-arrival measurements, depending on the assumed synchronization conditions. The problem of minimizing the overall power expenditure of the BSs under data throughput and localization accuracy requirements is formulated with respect to the beamforming vectors used at the BSs. The analysis covers both frequency-flat and frequency-selective channels and accounts for robustness constraints in the presence of parameter uncertainty as well. The proposed algorithmic solutions are based on rank-relaxation and difference-of-convex programming.

Original languageEnglish (US)
Article number6799306
Pages (from-to)62-76
Number of pages15
JournalIEEE Transactions on Vehicular Technology
Issue number1
StatePublished - Jan 1 2015

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Aerospace Engineering
  • Applied Mathematics
  • Electrical and Electronic Engineering


  • Data communication
  • localization
  • orthogonal frequency-division multiplexing (OFDM)
  • time difference of arrival (TDOA)
  • time of arrival (TOA)


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