User selection scheme with secrecy capacity in MIMO downlink systems

Masatoshi Yanase, Tomoaki Ohtsuki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

For multiuser Multiple-Input-Multiple-Output (MIMO) downlink systems where some receivers exist, several user selection schemes have been recently proposed. However, these user selection schemes do not take security into consideration. One possible scenario of wireless communication systems is that a transmitter sends confidential messages to multiple receivers in the presence of eavesdroppers. In this paper, we propose a user selection scheme with secrecy capacity for multiuser MIMO downlink system. We assume a system with a transmitter, some legitimate users and eavesdroppers where the transmitter wants to send data securely against eavesdroppers. In the proposed scheme, the transmitter selects a user set so that their secrecy capacities among legitimate users and eavesdroppers are larger than zero. Thus, the transmitter can send confidential messages to users securely. The proposed scheme can be applied to conventional scheduling schemes, such as maximum capacity (MAX) scheduling and proportional fairness (PF) scheduling. Simulation results show that the proposed scheme provides secure transmissions and has little degradation of performance of system capacity and fairness when applied to the conventional scheduling schemes. Hence, we show that the proposed scheme is an effective user selection scheme to guarantee secrecy of communication.

Original languageEnglish
Title of host publicationProcedia - Social and Behavioral Sciences
Pages161-170
Number of pages10
Volume2
Edition1
DOIs
Publication statusPublished - 2010
Event1st International Conference on Security Camera Network, Privacy Protection and Community Safety 2009, SPC2009 - Kiryu, Japan
Duration: 2009 Oct 282009 Oct 30

Other

Other1st International Conference on Security Camera Network, Privacy Protection and Community Safety 2009, SPC2009
CountryJapan
CityKiryu
Period09/10/2809/10/30

Fingerprint

Confidentiality
secrecy
Communication
scheduling
fairness
recipient
communication system
guarantee
scenario
simulation
communication

Keywords

  • Multiuser MIMO
  • Secrecy capacity
  • User selection

ASJC Scopus subject areas

  • Social Sciences(all)
  • Psychology(all)

Cite this

Yanase, M., & Ohtsuki, T. (2010). User selection scheme with secrecy capacity in MIMO downlink systems. In Procedia - Social and Behavioral Sciences (1 ed., Vol. 2, pp. 161-170) https://doi.org/10.1016/j.sbspro.2010.01.030

User selection scheme with secrecy capacity in MIMO downlink systems. / Yanase, Masatoshi; Ohtsuki, Tomoaki.

Procedia - Social and Behavioral Sciences. Vol. 2 1. ed. 2010. p. 161-170.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yanase, M & Ohtsuki, T 2010, User selection scheme with secrecy capacity in MIMO downlink systems. in Procedia - Social and Behavioral Sciences. 1 edn, vol. 2, pp. 161-170, 1st International Conference on Security Camera Network, Privacy Protection and Community Safety 2009, SPC2009, Kiryu, Japan, 09/10/28. https://doi.org/10.1016/j.sbspro.2010.01.030
Yanase M, Ohtsuki T. User selection scheme with secrecy capacity in MIMO downlink systems. In Procedia - Social and Behavioral Sciences. 1 ed. Vol. 2. 2010. p. 161-170 https://doi.org/10.1016/j.sbspro.2010.01.030
Yanase, Masatoshi ; Ohtsuki, Tomoaki. / User selection scheme with secrecy capacity in MIMO downlink systems. Procedia - Social and Behavioral Sciences. Vol. 2 1. ed. 2010. pp. 161-170
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