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Capacity of a Cellular Radio System Using a Narrowband Multiuser Detector
Telecommunication and Traffic-Control Systems Group, Department of Information Technology and Systems, Delft University of Technology, 2600 GA Delft, The Netherlands.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-4986-6123
2002 (English)Conference paper, Published paper (Refereed)
Abstract [en]

With a narrowband multiuser detector (MUD), multiple users can simultaneously share the same chan- nel without using a bandwidth expanding signature code when suficient power differences at the receiver are main- tained. In this paper we assess the capacity gain that can be achieved in a hypothetical cellular system with centralized power control, using a narrowband MUD based on succes- sive cancellation. The power control algorithm is adapted to multiple users per channel in a cell. Simulation results are presented for two heuristic CIR based channel assign- ment schemes. The MUD allows for a substantial capacity gain due to a tighter packing of users in a channel. The observed gain compared to a conventional single user per channel system, ranges from 1.4 to 5 for cluster sizes C = 1 and 7, respectively.

Place, publisher, year, edition, pages
Delft, Netherlands: Delft TU , 2002.
Keyword [en]
Multiuser detection, cellular radio system, transmitter power control, capacity, blocking probability.
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-28007OAI: oai:DiVA.org:kth-28007DiVA: diva2:383796
Conference
Symposium on mobile multimedia systems & applications
Note
QC 20110111Available from: 2011-01-05 Created: 2011-01-05 Last updated: 2011-01-11Bibliographically approved

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Zander, Jens

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