LORA (Long Range) and LORAWAN technology for IoT applications in Covid-19 pandemic AS Rawat, J Rajendran, H Ramiah, A Rana
2020 International Conference on Advances in Computing, Communication …, 2020
37 2020 A wide-PCE-dynamic-range CMOS cross-coupled differential-drive rectifier for ambient RF energy harvesting G Chong, H Ramiah, J Yin, J Rajendran, PI Mak, RP Martins
IEEE Transactions on Circuits and Systems II: Express Briefs 68 (6), 1743-1747, 2019
36 2019 CMOS cross-coupled differential-drive rectifier in subthreshold operation for ambient RF energy harvesting—Model and analysis G Chong, H Ramiah, J Yin, J Rajendran, WR Wong, PI Mak, RP Martins
IEEE Transactions on Circuits and Systems II: Express Briefs 66 (12), 1942-1946, 2019
34 2019 Low-voltage capacitive-based step-up DC-DC converters for RF energy harvesting system: A review KKP Churchill, G Chong, H Ramiah, MY Ahmad, J Rajendran
IEEE Access 8, 186393-186407, 2020
33 2020 A 2- UR Jagadheswaran, H Ramiah, PI Mak, RP Martins
IEEE Transactions on Microwave Theory and Techniques 64 (1), 200-209, 2015
33 2015 A 700MHz to 2.5 GHz cascode GaAs power amplifier for multi-band pico-cell achieving 20dB gain, 40dBm to 45dBm OIP3 and 66% peak PAE RS Nitesh, J Rajendran, H Ramiah, A Abd Manaf
IEEE Access 6, 818-829, 2017
27 2017 Power amplifier design methodologies for next generation wireless communications U Eswaran, H Ramiah, J Kanesan
IETE Technical Review 31 (3), 241-248, 2014
27 2014 A 2.2 to 2.9 GHz complementary class-C VCO with PMOS tail-current source feedback achieving–120 dBc/Hz phase noise at 1 MHz offset P Shasidharan, H Ramiah, J Rajendran
IEEE Access 7, 91325-91336, 2019
24 2019 The advancement of radio frequency energy harvesters (RFEHs) as a revolutionary approach for solving energy crisis in wireless communication devices: A review L Ramalingam, S Mariappan, P Parameswaran, J Rajendran, RS Nitesh, ...
IEEE Access 9, 106107-106139, 2021
20 2021 Ambient RF energy harvesting system: a review on integrated circuit design G Chong, H Ramiah, J Yin, J Rajendran, WR Wong, PI Mak, RP Martins
Analog Integrated Circuits and Signal Processing 97, 515-531, 2018
19 2018 A 0.8 mm2 Sub-GHz GaAs HBT Power Amplifier for 5G Application Achieving 57.5% PAE and 28.5 dBm Maximum Linear Output Power RS Nitesh, J Rajendran, H Ramiah, BS Yarman
IEEE Access 7, 158808-158819, 2019
13 2019 Design of wideband LTE power amplifier with novel dual stage linearizer for mobile wireless communication U Eswaran, H Ramiah, J Kanesan, AW Reza
Journal of Circuits, Systems, and Computers 23 (08), 1450111, 2014
12 2014 Class-E GaAs HBT power amplifier with passive linearization scheme for mobile wireless communications U Eswaran, H Ramiah, J Kanesan, AW Reza
Turkish Journal of Electrical Engineering and Computer Sciences 22 (5), 1210 …, 2014
12 2014 Class-E power amplifier with novel pre-distortion linearization technique for 4G mobile wireless communications U Eswaran, H Ramiah, J Kanesan
Elektronika Ir Elektrotechnika 20 (4), 53-56, 2014
11 2014 A CMOS 180nm class-AB power amplifier with intergrated phase linearizer for BLE 4.0 achieving 11.5 dB gain, 38.4% PAE and 20dBm OIP3 P Gunasegaran, J Rajendran, H Ramiah
2017 IEEE Asia Pacific Conference on Postgraduate Research in …, 2017
10 2017 A 1.7-to-2.7 GHz 35–38% PAE multiband CMOS power amplifier employing a digitally-assisted analog pre-distorter (DAAPD) reconfigurable linearization technique S Mariappan, J Rajendran, Y Chen, PI Mak, RP Martins
IEEE Transactions on Circuits and Systems II: Express Briefs 68 (11), 3381-3385, 2021
9 2021 A 50 MHz~ 10 GHz, 3.3 dB NF,+ 6 dBm IIP3 resistive feedback common source amplifier for cognitive radio application YY Tey, H Ramiah, NM Noh, UR Jagadheswaran
Microelectronics Journal 61, 89-94, 2017
9 2017 Schmitt trigger-based key provisioning for locking analog/rf integrated circuits A Sanabria-Borbon, NG Jayasankaran, S Lee, E Sánchez-Sinencio, J Hu, ...
2020 IEEE International Test Conference (ITC), 1-10, 2020
8 2020 An 800 MHz-to-3.3 GHz 20-MHz channel bandwidth WPD CMOS power amplifier for multiband uplink radio transceivers S Mariappan, J Rajendran, H Ramiah, PI Mak, J Yin, RP Martins
IEEE Transactions on Circuits and Systems II: Express Briefs 68 (4), 1178-1182, 2020
7 2020 Bias circuit for low quiescent current amplifier J Rajendran, YH Chow
US Patent 9,722,546, 2017
6 2017 
Dr. Selvakumar MariappanCollaborative Microelectronic Design Excellence Centre (CEDEC), Universiti Sains MalaysiaVerified email at usm.my
