A Hierarchical Multiuser Diversity (HMD) Transmission Scheme

Dong Zheng, Junshan Zhang, John Sadowsky

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

2 Scopus citations


Deep shadowing and "hot-spots" are two challenging issues in wireless networks. Aiming to resolve these issues, we take a cross-layer design approach and devise a hierarchical multiuser diversity (HMD) transmission scheme, in which a user can choose to communicate with the base station either directly or using multiple hops via relay stations. Using a throughput-based criterion, we develop a direct/relay link construction algorithm. We then explore opportunistic scheduling under performance-based fairness constraints, for both direct links and relay links; a key goal is to achieve multiuser diversity in both tiers. Our results show that the HMD scheme can combat shadowing and "hot-spots" effectively in the sense that the total system throughput is increased significantly while the throughput requirements of the users are met.

Original languageEnglish (US)
Title of host publicationGLOBECOM - IEEE Global Telecommunications Conference
Number of pages6
StatePublished - 2003
EventIEEE Global Telecommunications Conference GLOBECOM'03 - San Francisco, CA, United States
Duration: Dec 1 2003Dec 5 2003


OtherIEEE Global Telecommunications Conference GLOBECOM'03
Country/TerritoryUnited States
CitySan Francisco, CA

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Global and Planetary Change


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