Multiuser Detection using Noma Technique in FD-MC-CDMA System in Fading Channels
Guntu Nooka Raju1, Muddapu V Tirupathamma2, K Srinivasa Rao3

1Dr. Guntu Nooka Raju*, GMR Institute of Technology, Rajam, Srikakulam, A.P, India.
2Muddapu V Tirupathamma, RGUKT, IIIT, Srikakulam, A.P, India.
3Dr K Srinivasa Rao, GVP College of Engineering for Woman, Visakhapatnam, India.
Manuscript received on November 17, 2019. | Revised Manuscript received on 26 November, 2019. | Manuscript published on December 10, 2019. | PP: 3247-3251 | Volume-9 Issue-2, December 2019. | Retrieval Number: B7774129219/2019©BEIESP | DOI: 10.35940/ijitee.B7774.129219
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Abstract: Non-Orthogonal Multiple Access which is an emerging technique which performs good in any aspects. Multiple users can share the resources that are available and also user can be identified, which adopts successive interference cancelation (SIC). The power domain is considered for detection of power allocation for the base stations. The performance of errors in selective channels like frequency channels is demonstrated with the help of code division multiple access which is a multi carrier (MC-CDMA), in which the frequency diversity can be resolved quickly. Due to high range of multiple access interferences the performance of MC-CDMA is been restricted. To overcome the problems in MC-CDMA, a new technique is proposed i.e frequency division multi carrier code division multiple access by which the multiple access interferences can be reduced by exploiting the available range of frequencies. NOMA is one of the emerging technique used as an answer to boost the spectral potency whereas permitting some extent of accessibility for multiple interferences at receiver end. By using NOMA-FD-MC-CDMA the range of spectrum can be increased and reduced the interferences. Bit error rate(BER) is evaluated and compared with other existing technique. The experimental results are performed using Mat lab tool. 
Keywords: NOMA, FD-MC-CDMA, Fading Channels
Scope of the Article: System Integration