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Robust detection in DS-CDMA
Robust single-user detection is employed in a direct sequence code-division multiple-access (DS-CDMA) system in which the noise process contains impulsive components. The breakdown point is computed for a mixture noise model. The bit error probability expressions are derived under a Gaussian mixture...
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Published in: | IEEE transactions on vehicular technology 2002-01, Vol.51 (1), p.155-170 |
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container_title | IEEE transactions on vehicular technology |
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creator | Delic, H. Hocanin, A. |
description | Robust single-user detection is employed in a direct sequence code-division multiple-access (DS-CDMA) system in which the noise process contains impulsive components. The breakdown point is computed for a mixture noise model. The bit error probability expressions are derived under a Gaussian mixture. The performance is also evaluated in the presence of power imbalance and asynchronous reception. Noise, rather than interference, is shown to be the primary obstacle in achieving good performance for certain practical signal power and user load levels. It is concluded that DS-CDMA employing a robust correlator receiver performs better than the conventional matched filter in an impulsive noise environment. |
doi_str_mv | 10.1109/25.992076 |
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It is concluded that DS-CDMA employing a robust correlator receiver performs better than the conventional matched filter in an impulsive noise environment.</description><subject>Applied sciences</subject><subject>Breakdown</subject><subject>Correlation</subject><subject>Correlators</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>Electric breakdown</subject><subject>Error probability</subject><subject>Exact sciences and technology</subject><subject>Gaussian</subject><subject>Information, signal and communications theory</subject><subject>Interference</subject><subject>Matched filters</subject><subject>Multiaccess communication</subject><subject>Noise</subject><subject>Noise level</subject><subject>Noise robustness</subject><subject>Obstacles</subject><subject>Performance evaluation</subject><subject>Power system modeling</subject><subject>Receivers</subject><subject>Signal and communications theory</subject><subject>Signal, noise</subject><subject>Telecommunications and information theory</subject><subject>Working environment noise</subject><issn>0018-9545</issn><issn>1939-9359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNp9kM1Lw0AQxRdRsFYPXvVSBEUPqfs1yc6xtH5BRfDjvGw2u5CSJjWbHPzv3ZKi4MHTMMxvHu89Qk4ZnTJG8ZbDFJHTLN0jI4YCExSA-2REKVMJgoRDchTCKq5SIhuR89cm70M3KVznbFc29aSsJ4u3ZL54nh2TA2-q4E52c0w-7u_e54_J8uXhaT5bJlakWZdI8KgMLbgF5A7QM8ULlDkVlmYAxmdARSaiq9wIhUYqI6XhLLfey7wwYkyuBt1N23z2LnR6XQbrqsrUrumD5goYpiAieP0vyNKMCQlKphG9-IOumr6tYwytlASqQGyhmwGybRNC67zetOXatF-aUb2tU3PQQ52RvdwJmmBN5VtT2zL8PgiIKeXW49nAlc65n_NO5BsDhXfU</recordid><startdate>200201</startdate><enddate>200201</enddate><creator>Delic, H.</creator><creator>Hocanin, A.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The breakdown point is computed for a mixture noise model. The bit error probability expressions are derived under a Gaussian mixture. The performance is also evaluated in the presence of power imbalance and asynchronous reception. Noise, rather than interference, is shown to be the primary obstacle in achieving good performance for certain practical signal power and user load levels. It is concluded that DS-CDMA employing a robust correlator receiver performs better than the conventional matched filter in an impulsive noise environment.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/25.992076</doi><tpages>16</tpages></addata></record> |
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source | IEEE Electronic Library (IEL) Journals |
subjects | Applied sciences Breakdown Correlation Correlators Detection, estimation, filtering, equalization, prediction Electric breakdown Error probability Exact sciences and technology Gaussian Information, signal and communications theory Interference Matched filters Multiaccess communication Noise Noise level Noise robustness Obstacles Performance evaluation Power system modeling Receivers Signal and communications theory Signal, noise Telecommunications and information theory Working environment noise |
title | Robust detection in DS-CDMA |
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