An Overlay Cognitive Radio Model Exploiting the Polarization Diversity and Relay Cooperation. - Sandip Karar; Abhirup Das Barman (ACSS (1), 2014)

Opportunistic Sub-channel and Transmit Power Allocation in an OFDMA Based Cognitive Femtocell Network. - Sandip Karar; Abhirup Das Barman (Wirel. Pers. Commun., 2015)

Promoting femtocell cooperation through incentive for improving data rate of indoor users in underlay heterogeneous network. - Sandip Karar; Suman Ghosh 003; Abhirup Das Barman (IET Commun., 2016)

Opportunistic spectrum access for cooperative unlicensed femtocells in two-tier heterogeneous networks utilizing HARQ feedback. - Sandip Karar; Abhirup Das Barman (Comput. Networks, 2017)

Two-Stage Rate Allocation Game in Wireless Access Networks With PON Backhaul. - Sandip Karar; Abhirup Das Barman (IEEE Commun. Lett., 2018)

Proactive caching with content-based pricing for cooperative femtocells in two-tier heterogeneous networks. - Sandip Karar; Abhirup Das Barman (Int. J. Commun. Syst., 2018)

Pre-emptive Spectrum Access in Cognitive Radio for Better QoS. - Avirup Das; Sandip Karar; Nabanita Das 001; Sasthi C. Ghosh 001 (ICACIE (1), 2019)

A Pricing-Based Rate Allocation Game in TVWS Backhaul and Access Link for Rural Broadband. - Suman Ghosh 003; Sandip Karar; Abhirup Das Barman (IEEE Syst. J., 2019)