Referenced Items are not available for this document.
In this paper, the multiple access capacity of an Mary pulse position modulation (PPM) impulse radio (IR) system with antenna array is analyzed in dense multipath environments. An antenna array with Rake receivers is used to capture the signal energy from multipaths. Multiple access performance of the system is evaluated in terms of number of supported users for a given bit error rate and bit transmission rate with different number of antenna elements and selected paths. Numerical results show that the multiple access capacity of an M-ary IR system can be improved significantly by increasing the number of antenna elements and/or by adding more paths coherently at the receiver.
Published in:
Wireless Communications, IEEE Transactions on
(Volume:5
,
Issue:
1
)
Date of Publication: Jan. 2006
- Page(s):
- 61 - 66
- ISSN :
- 1536-1276
- INSPEC Accession Number:
- 8982934
- Digital Object Identifier :
- 10.1109/TWC.2006.1576528
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 16 January 2006
- Issue Date :
- Jan. 2006
- Sponsored by :
- IEEE Communications Society
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