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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Louie, R.H.Y. McKay, M.R. Collings, I.B. |
| Copyright Year | 1963 |
| Abstract | This paper investigates the performance of open-loop multi-antenna point-to-point links in ad hoc networks with slotted ALOHA medium access control (MAC). We consider spatial multiplexing transmission with linear maximum ratio combining and zero forcing receivers, as well as orthogonal space time block coded transmission. New closed-form expressions are derived for the outage probability, throughput and transmission capacity. Our results demonstrate that both the best performing scheme and the optimum number of transmit antennas depend on different network parameters, such as the node intensity and the signal-to-interference-and-noise ratio operating value. We then compare the performance to a network consisting of single-antenna devices and an idealized fully centrally coordinated MAC. These results show that multi-antenna schemes with a simple decentralized slotted ALOHA MAC can outperform even idealized single-antenna networks in various practical scenarios. |
| Sponsorship | IEEE Information Theory Society |
| Starting Page | 317 |
| Ending Page | 344 |
| Page Count | 28 |
| File Size | 787833 |
| File Format | |
| ISSN | 00189448 |
| Volume Number | 57 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Receivers Multiplexing Interference Transmitters Signal to noise ratio Ad hoc networks Throughput transmission capacity linear receivers multiple antennas OSTBC spatial multiplexing throughput |
| Content Type | Text |
| Resource Type | Article |
| Subject | Library and Information Sciences Information Systems Computer Science Applications |
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