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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kumar, Preetam Chakrabarti, Saswat |
| Copyright Year | 2010 |
| Abstract | One of the efficient schemes to overload a CDMA system is to use two sets of orthogonal signal waveforms (O/O) Sari, Vanhaverbeke and Moeneclaey, IEEE Communication Magazine, 56–59, 2000. In this paper, we have presented the analysis of hard decision interference cancellation (HDIC) receiver for O/O overloaded DS-CDMA system. A closed form expression for the average bit error rate (BER) is obtained, for each stage of HDIC receiver, without considering the correlation between the multiple access interference and Gaussian noise. It is observed that at lower overloadings, analytical result matches closely to that obtained from simulation. But there is a difference between two at higher overloadings. The reason for such a difference is the inaccuracy in variance calculation due to the assumption of zero correlation. By using the Price’s theorem, we have obtained the correlation between tentative data decision and Gaussian noise samples. The overloading performance of a specific Quasi-synchronous sequence (QOS) O/O scheme is also evaluated using interference cancellation receivers. |
| Starting Page | 64 |
| Ending Page | 72 |
| Page Count | 9 |
| File Format | |
| ISSN | 10689605 |
| Journal | International Journal of Wireless Information Networks |
| Volume Number | 17 |
| Issue Number | 1-2 |
| e-ISSN | 15728129 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2010-02-25 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | DS-CDMA Iterative interference cancellation Channel overloading Orthogonal codes Electrical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications Electrical and Electronic Engineering Hardware and Architecture |
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