Performance Analysis of Optimum Combiner in Power Limited Cognitive Radios with Multiple Primary Interferers

Bindra, Kavita Vij; Khanna, Rajesh; Sharma, Surbhi

doi:10.5755/j01.eie.24.1.20159

Cited by 3 publications

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“…It can be seen that average combined SIR improves from 2.40 to 5.23 dB for 𝑀 = 2 and -2.36 to 0.46 dB for 𝑀 = 4 at 𝑄 = 5 dB as 𝐿 𝑅 increases from 1 to 4, respectively. The simulated and analytical outcomes of OC in the proposed system can be obtained from our previous work [20] by employing transmit power strategy as derived from Eq. ( 7).…”

Section: Resultsmentioning

confidence: 99%

Comparative Analysis of Diversity Combining Schemes in Power Limited Cognitive Radio under the impact of Co-Channel Interference

Bindra

Sood

Khanna

et al. 2023

Preprint

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The authors investigate the performance of various diversity combining schemes in Internet of Things- Cognitive Radios (IOT-CR) system under the influence of co-channel interference limited environment. An approximate expression for probability density function (PDF) of maximum signal to interference ratio (SIR) at the receiver has been derived. By utilizing the derived PDF, closed loop expressions for Average post processing SIR, Ergodic capacity and Average bit error rate (ABER) have been derived. The proposed CR system is studied and analyzed under the impact of Peak transmit power (PTP) and Peak interference power (PIP) constraints. The achieved result shows that the Optimum combining (OC) at the receiver outperforms the traditional combining schemes in co-channel interference (CCI) scenario.

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Section: Resultsmentioning

confidence: 99%