On the design of discovery patterns for half-duplex TDD nodes operating in frame-based systems

Esa Tiirola, Bernhard Raaf, Eeva Lähetkangas, Ilkka Harjula, Kari Pajukoski

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    6 Citations (Scopus)


    Future telecommunication systems need to support a discovery function, enabling all network nodes to discover each other directly over the air. In addition to discovery in traditional access point-to-user equipment (AP2UE) links, there is a need to support also other link types, such as device-to-device (D2D) communication and wireless backhauling. In this paper, we provide a design for discovery patterns and groups of patterns applicable to half-duplex time division duplexing (TDD) nodes operating in a frame based system. The proposed scheme allows an easy design of discovery patterns, which can be used for comprehensive bi-directional communication where all nodes are able to listen to each other. Proposed approach provides also an upper limit for the discovery time with an assumption that discovery signal is received correctly at the receiving node. We also support network topologies containing network elements of different hierarchies which require mono-directional discovery function among network nodes, e.g. from higher towards lower hierarchy levels.
    Original languageEnglish
    Title of host publication2013 Future Network & Mobile Summit (FuNeMS)
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)978-1-905824-37-3
    Publication statusPublished - 2013
    MoE publication typeA4 Article in a conference publication
    EventFuture Network and Mobile Summit, FuNeMS 2013 - Lisbon, Portugal
    Duration: 3 Jul 20135 Jul 2013


    OtherFuture Network and Mobile Summit, FuNeMS 2013
    Abbreviated titleFuNeMS 2013


    • discovery pattern
    • half-duplex
    • LTE
    • TDD


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