User-capacity maximization in synchronous CDMA subject to RMS-bandlimited signature waveforms
We consider the symbol-synchronous code-division multiple-access (CDMA) channel equipped with either a multiuser linear receiver or a multiuser decision-feedback receiver. The network, or user, capacity is defined to be the number of users that can be supported with available resources, such that ev...
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| Published in | IEEE transactions on communications Vol. 52; no. 3; pp. 457 - 466 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
New York
IEEE
01.03.2004
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0090-6778 1558-0857 |
| DOI | 10.1109/TCOMM.2004.823630 |
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| Abstract | We consider the symbol-synchronous code-division multiple-access (CDMA) channel equipped with either a multiuser linear receiver or a multiuser decision-feedback receiver. The network, or user, capacity is defined to be the number of users that can be supported with available resources, such that every user achieves a certain quality of service (QoS). In this paper, the QoS threshold is given as a signal-to-interference ratio and the bandwidth is given as the root mean squared bandwidth of the received power spectral density of the users' transmitted waveforms. Given the QoS threshold and constraints on bandwidth and the sum of the users' received powers, we maximize user capacity for both the linear and decision-feedback receivers by optimally and jointly designing the users' signature waveforms and power-control polices. |
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| AbstractList | We consider the symbol-synchronous code-division multiple-access (CDMA) channel equipped with either a multiuser linear receiver or a multiuser decision-feedback receiver. The network, or user, capacity is defined to be the number of users that can be supported with available resources, such that every user achieves a certain quality of service (QoS). In this paper, the QoS threshold is given as a signal-to-interference ratio and the bandwidth is given as the root mean squared bandwidth of the received power spectral density of the users' transmitted waveforms. Given the QoS threshold and constraints on bandwidth and the sum of the users' received powers, we maximize user capacity for both the linear and decision-feedback receivers by optimally and jointly designing the users' signature waveforms and power-control polices. |
| Author | Guess, T. |
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| Cites_doi | 10.1109/26.339839 10.1109/26.930624 10.1109/26.476098 10.1109/TIT.2003.809605 10.1214/aos/1176343794 10.1109/26.923808 10.1109/TIT.1968.1054214 10.1109/26.216499 10.1109/18.782121 10.1109/18.782119 10.1109/18.868477 |
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| SubjectTerms | Bandwidth Code division multiplexing Decision feedback equalizers Gain measurement Intelligent networks Multiaccess communication Power control Power measurement Pulse modulation Quality of service |
| Title | User-capacity maximization in synchronous CDMA subject to RMS-bandlimited signature waveforms |
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