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Orthogonal on-off BPSK: a convenient signaling scheme for near-far resistant detection in DS/CDMA

Zheng, F.-C. and Barton, S.K. (1998) Orthogonal on-off BPSK: a convenient signaling scheme for near-far resistant detection in DS/CDMA. IEEE Transactions on Vehicular Technology, 47 (3). pp. 969-976. ISSN 0018-9545

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To link to this article DOI: 10.1109/25.704851

Abstract/Summary

This paper proposes a convenient signaling scheme-orthogonal on-off BPSK (O3BPSK)-for near-far (NF) resistant detection in asynchronous direct-sequence code-division multiple-access (DS/CDMA) systems (uplink). The temporally adjacent bits from different users in the received signals are decoupled by using the on-off signaling, and the original data rate is maintained with no increase in transmission rate by adopting an orthogonal structure. The detector at the receiver is a one-shot linear decorrelating detector, which depends upon neither hard decision nor specific channel coding. The application of O3 strategy to the differentially encoded BPSK (D-BPSK) sequences is also presented. Finally, some computer simulations are shown to confirm the theoretical analysis.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Systems Engineering
ID Code:18706
Uncontrolled Keywords:D-BPSK sequences, DS/CDMA, O3 strategy, O3BPSK, asynchronous direct-sequence code-division multiple-access, data rate, differentially encoded BPSK, near-far resistant detection, on-off signaling, one-shot linear decorrelating detector, orthogonal on-off BPSK, orthogonal structure, received signals, receiver, signaling scheme, transmission rate, uplink
Publisher:IEEE

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