Increasing the CDMA Reverse Link Voice-Data Capacity using a Per Rate Class Interference Method with Optimal Spatial Combining

Abstract

The voice Erlang capacity is analyzed in a multi-antenna combined voice-data CDMA Reverse Link (RL). The influence of two different spatial combining techniques: Optimal Combining (OC) and Maximal Ratio Combining (MRO) on the voice Erlangs is evaluated when a single scheduled High Data Rate (HDR) data channel is shared by users desiring HDR services. The impact of randomly arriving data users on the voice Erlangs is also analyzed. A per rate class rise over thermal metric is defined and used with OC spatial combining. At large HDR values, increases in the voice Erlangs are illustrated when using OC vs. MRC.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 2002
Accession Number
ADA506996

Entities

People

  • J. P. Burke
  • J. R. Zeidler

Organizations

  • Naval Information Warfare Systems Command

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Antenna Arrays
  • Antennas
  • Background Noise
  • California
  • Channel Models
  • Code Division Multiple Access
  • Data Rate
  • Department Of Defense
  • Engineering
  • Multiple Access
  • Noise
  • Probability
  • Scheduling (Production)
  • Signal Processing
  • Throughput
  • United States
  • United States Government

Readers

  • Mathematical Modeling and Probability Theory.
  • Radio communications and signal processing.