Items where Author is "Varahram, Pooria"

Choo, Hong Ning and Abdul Latiff, Nurul Adilah and Varahram, Pooria and Mohd Ali, Borhanuddin (2019) Optimized memory polynomial with binomial reduction in digital pre-distortion for wireless communication systems. ARPN Journal of Engineering and Applied Sciences, 14 (16). pp. 2929-2936. ISSN 1819-6608

Al-Hussaini, Khalid and Mohd Ali, Borhanuddin and Varahram, Pooria and Hashim, Shaiful Jahari and Farrell, Ronan (2017) A low complexity high efficiency hybrid multiplicative-additive crest factor reduction for OFDM systems. Telecommunication Systems, 65 (2). 297 - 307. ISSN 1018-4864; ESSN: 1572-9451

Al-Hussaini, Khalid and Mohd Ali, Borhanuddin and Varahram, Pooria and Hashim, Shaiful Jahari (2017) Designing and implementing a novel single IFFT scrambling PAPR reduction scheme in OFDM systems using FPGA with hardware co-simulation. Wireless Personal Communications, 95 (4). 4763 - 4788. ISSN 0929-6212; ESSN: 1572-834X

Al-Hussaini, Khalid Taher Mohammed and Mohd Ali, Borhanuddin and Varahram, Pooria and Hashim, Shaiful Jahari and Farrell, Ronan (2017) Hardware co-simulation for a low complexity PAPR reduction scheme on an FPGA. International Journal of Wireless and Mobile Computing, 12 (1). 49 - 61. ISSN 1741-1084; ESSN: 1741-1092

Choo, Hong Ning and Abdul Latiff, Nurul Adilah and Varahram, Pooria and Mohd Ali, Borhanuddin (2017) Memory polynomial with binomial reduction in digital pre-distortion for wireless communication systems. Pertanika Journal of Science & Technology, 25 (spec. Jan.). pp. 49-58. ISSN 0128-7680; ESSN: 2231-8526

Yousif, Siba Monther and M. Sidek, Roslina and Mekki, Anwer Sabah and Sulaiman, Nasri and Varahram, Pooria (2016) Efficient low-complexity digital predistortion for power amplifier linearization. International Journal of Electrical and Computer Engineering, 6 (3). pp. 1096-1105. ISSN 2088-8708

Kazemian, Mohsen and Varahram, Pooria and Hashim, Shaiful Jahari and Mohd Ali, Borhanuddin and Farrell, Ronan (2016) A low complexity peak-to-average power ratio reduction scheme using gray codes. Wireless Personal Communications, 88 (2). pp. 223-239. ISSN 0929-6212; ESSN: 1572-834X

Varahram, Pooria and Mohd Ali, Borhanuddin (2015) Implementation of a low complexity peak-to-average power ratio reduction scheme on field programmable gate array. Wireless Personal Communications, 82. pp. 1863-1875. ISSN 1572-834X; ESSN: 0929-6212

Shahamabadi, Mohammadreza Sahebi and Mohd Ali, Borhanuddin and Noordin, Nor Kamariah and A. Rasid, Mohd Fadlee and Varahram, Pooria and Jara, Antonio J. (2014) A NEMO-HWSN solution to support 6LoWPAN network mobility in hospital wireless sensor network. Computer Science and Information Systems, 11 (3). pp. 943-960. ISSN 1820-0214; ESSN: 2406-1018

Varahram, Pooria and Mohd Ali, Borhanuddin and Mohammady, Somayeh and Sulaiman, Nasri (2014) Power amplifier linearisation scheme to mitigate superfluous radiations and suppress adjacent channel interference. IET Communication, 8 (2). pp. 258-265. ISSN 1751-8628; ESSN: 1751-8636

Varahram, Pooria and Mohd Ali, Borhanuddin (2014) A crest factor reduction scheme based on recursive optimum frequency domain matrix. IEEE Transactions on Consumer Electronics, 60 (2). 179 - 183. ISSN 0098-3063; ESSN: 1558-4127

Varahram, Pooria and Mohd Ali, Borhanuddin and Al Azzo, Wisam (2013) IDRG-PTS scheme with low complexity for peak-to-average power ratio reduction in OFDM systems. Journal of the Chinese Institute of Engineers, 36 (6). pp. 677-683. ISSN 0253-3839

Varahram, Pooria and Mohd Ali, Borhanuddin (2013) Low Complexity Partial Transmit Sequence with Complex Gain Memory Predistortion in OFDM Systems. Wireless Personal Communications, 68 (4). pp. 1435-1448. ISSN 0929-6212

Varahram, Pooria and Mohd Ali, Borhanuddin and Mohammady, Somayeh (2013) A Robust Peak-to-Average Power Ratio Reduction Scheme by Inserting Dummy Signals with Enhanced Partial Transmit Sequence in OFDM Systems. Wireless Personal Communications, 72 (2). pp. 1125-1137. ISSN 0929-6212

Mohammady, Somayeh and Mohd Sidek, Roslina and Varahram, Pooria and Hamidon, Mohd Nizar and Sulaiman, Nasri (2013) A low complexity selected mapping scheme for peak to average power ratio reduction with digital predistortion in OFDM systems. International Journal of Communication Systems, 26 (4). pp. 481-494. ISSN 1074-5351

Hussein, Yaseein Soubhi and Mohd Ali, Borhanuddin and Varahram, Pooria and Sali, Aduwati (2011) Enhanced handover mechanism in long term evolution (LTE) networks. Scientific Research and Essays, 6 (24). art. no. 2B831F132298. pp. 5138-5152. ISSN 1992-2248

Varahram, Pooria and Mohd Ali, Borhanuddin (2011) Analyzing the effects of peak to average power ratio and digital predistortion in orthogonal frequency division multiplexing (OFDM) systems. Scientific Research and Essays, 6 (10). art. no. 0684A2B23202. pp. 2195-2200. ISSN 1992-2248

Varahram, Pooria and Mohd Ali, Borhanuddin (2011) A Low Complexity Partial Transmit Sequence for Peak to Average Power Ratio Reduction in OFDM Systems. Radioengineering, 20 (3 / Se). pp. 677-682. ISSN 1210-2512

Varahram, Pooria and Mohd Ali, Borhanuddin (2011) Partial transmit sequence scheme with new phase sequence for PAPR reduction in OFDM systems. IEEE Transactions on Consumer Electronics, 57 (2). pp. 366-371. ISSN 0098-3063; ESSN: 1558-4127

Mohd Ali, Borhanuddin and Ismail, Alyani and A. Rasid, Mohd Fadlee and M. Shamsan, Ahmed and Varahram, Pooria (2011) Self-Decision Route Selection for Energy Balancing in wireless sensor betworks. International Journal of Physical Sciences, 6 (36). pp. 8105-8114. ISSN 1992-1950

Varahram, Pooria and Al-Azzo, Wisam Fahmi and Mohd Ali, Borhanuddin (2010) A low complexity partial transmit sequence scheme by use of dummy signals for PAPR reduction in OFDM systems. IEEE Transactions on Consumer Electronics, 56 (4). pp. 2416-2420. ISSN 0098-3063

Varahram, Pooria and Mohammady, Somayeh and Hamidon, Mohd Nizar and Mohd Sidek, Roslina and Khatun, Sabira (2010) An improvement method for reducing power amplifiers memory effects based on complex gain predistortion. Australian Journal of Basic and Applied Sciences, 4 (7). pp. 2059-2067. ISSN 1991-8178

Varahram, Pooria and Mohammady, Somayeh and Hamidon, Mohd Nizar and Mohd Sidek, Roslina and Khatun, Sabira (2010) Complex gain predistortion in WCDMA power amplifiers with memory effects. The International Arab Journal of Information Technology, 7 (3). pp. 333-341. ISSN 1683-3198

Mohammady, Somayeh and Varahram, Pooria and Mohd Sidek, Roslina and Hamidon, Mohd Nizar and Sulaiman, Nasri (2010) Efficiency improvement in microwave power amplifiers by using complex gain predistortion technique. IEICE Electronics Express, 7 (23). pp. 1721-1727. ISSN 1349-2543

Mohammady, Somayeh and Varahram, Pooria and Mohd Sidek, Roslina and Hamidon, Mohd Nizar and Sulaiman, Nasri (2010) FPGA implementation of the complex division in digital predistortion linearizer. Australian Journal of Basic and Applied Sciences, 4 (10). pp. 5028-5037. ISSN 1991-8178

Varahram, Pooria and Mohammady, Somayeh and Mohd Ali, Borhanuddin and Sulaiman, Nasri (2014) Power efficiency in broadband wireless communications. CRC Press, United States. ISBN 1466595485/9781466595484

Mohammady, Somayeh and Sulaiman, Nasri and M. Sidek, Roslina and Varahram, Pooria and Hamidon, Mohd. Nizar (2012) FPGA implementation of inverse fast fourier transform in orthogonal frequency division multiplexing systems. In: Fourier Transform - Signal Processing. InTech, Rijeka, Croatia, pp. 135-156. ISBN 9789535104537

Varahram, Pooria and Mohd Ali, Borhanuddin (2012) Peak-to-average power ratio reduction in orthogonal frequency division multiplexing systems. In: Advanced Transmission Techniques in WiMAX. InTech, Rijeka, Croatia, pp. 217-238. ISBN 9789533079653

Choo, Hong Ning and Abdul Latiff, Nurul Adilah and Varahram, Pooria and Mohd Ali, Borhanuddin (2018) Operations optimization of memory polynomial with binomial reduction in digital pre-distortion for wireless communication systems. In: 2018 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE 2018), 28-29 Apr. 2018, Penang, Malaysia. (pp. 291-296).

Choo, Hong Ning and Abdul Latiff, Nurul Adilah and Varahram, Pooria and Mohd Ali, Borhanuddin (2016) Error reduction of memory polynomial with binomial reduction in digital pre-distortion for wireless communication systems. In: International Conference on Information and Communication Technology Convergence (ICTC 2016), 19-21 Oct. 2016, Ramada Plaza Hotel, Jeju Island, South Korea. (pp. 505-510).

Kazemian, Mohsen and Varahram, Pooria and Mohd Ali, Borhanuddin and Mohammady, Somayeh (2015) A low complexity PAPR reduction scheme based on radix-II IFFT. In: 2015 IEEE International Conference on Consumer Electronics (ICCE), 9-12 Jan. 2015, Las Vegas, Nevada, United States. (pp. 420-421).

Al-Hussaini, Khalid Taher Mohammed and Mohd Ali, Borhanuddin and Varahram, Pooria and Hashim, Shaiful Jahari (2015) A novel low complexity high efficiency hybrid PAPR reduction for OFDM systems. In: 2015 IEEE 12th Malaysia International Conference on Communications (MICC 2015), 23-25 Nov. 2015, Kuching, Sarawak, Malaysia. (pp. 345-350).

Selvadurai, Dinaagaren and Mohd Sidek, Roslina and Varahram, Pooria and Mohd Ali, Borhanuddin (2015) A robust non-uniform indexation of a quadratically interpolated LUT predistorter for RF power amplifiers. In: 2015 IEEE 12th Malaysia International Conference on Communications (MICC 2015), 23-25 Nov. 2015, Kuching, Sarawak, Malaysia. (pp. 329-332).

Razavi, Sara and Sulaiman, Nasri and Mohd Sidek, Roslina and Mohammady, Somayeh and Varahram, Pooria (2014) Analysis on the parameters of selected mapping without side information on PAPR performances. In: 2014 5th IEEE Control and System Graduate Research Colloquium (ICSGRC 2014), 11-12 Aug. 2014, UiTM, Shah Alam, Selangor. (pp. 43-46).

Talebpour, Faraz and Varahram, Pooria and Mohd Ali, Borhanuddin and Sali, Aduwati (2014) Compensation of frequency independent I/Q imperfections using LMS algorithm. In: 2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT), 24-26 Nov. 2014, Langkawi, Kedah, Malaysia. (pp. 352-356).

Varahram, Pooria and Mohd Ali, Borhanuddin and Mohammady, Somayeh and Sulaiman, Nasri (2014) Hardware implementation of a peak-to-average power ratio reduction. In: International Research Conference on Engineering and Technology (IRCET 2014), 27-29 June 2014, Bali, Indonesia. (pp. 508-516).

Kazemian, Mohsen and Varahram, Pooria and Hashim, Shaiful Jahari and Mohd Ali, Borhanuddin and Mohammady, Somayeh and Sulaiman, Nasri (2014) Peak-to-average power ratio reduction based on cross-correlation in OFDM systems. In: 16th International Conference on Advanced Communication Technology (ICACT), 16-19 Feb. 2014, Pyeongchang, Korea. (pp. 244-248).

Wan Ngah, Wan Nurhanani and Hashim, Shaiful Jahari and Abas, Ahmad Fauzi and Varahram, Pooria and Ahmad Anas, Siti Barirah (2014) Reduction of peak to average power ratio in coherent optical orthogonal frequency division multiplexing using companding transform. In: 2014 IEEE Region 10 Symposium, 14-16 Apr. 2014, Kuala Lumpur, Malaysia. (pp. 177-180).

Kazemian, Mohsen and Varahram, Pooria and Mohd Ali, Borhanuddin (2014) A peak to average power ratio reduction scheme to increase power efficiency in broadband communication systems. In: 20th Asia-Pacific Conference on Communication (APCC2014), 1-3 Oct. 2014, Holiday Inn Pattaya Hotel, Pattaya city, Thailand. (pp. 26-29).

Varahram, Pooria and Mohd Ali, Borhanuddin and Mohammady, Somayeh and Sulaiman, Nasri (2014) A recursive optimum frequency domain matrix to reduce crest factor in OFDM systems. In: 2014 IEEE International Conference on Consumer Electronics (ICCE), 10-13 Jan. 2014, Las Vegas, USA. (pp. 29-30).

Choo, Hong Ning and Varahram, Pooria and Mohd Ali, Borhanuddin (2013) DSP implementation of digital pre-distortion in wireless communication systems. In: 2013 IEEE 11th Malaysia International Conference on Communications (MICC), 26-28 Nov. 2013, Kuala Lumpur, Malaysia. (pp. 207-212).

Mohammady, Somayeh and Sulaiman, Nasri and Mohd Sidek, Roslina and Hamidon, Mohd Nizar and Varahram, Pooria (2013) FPGA implementation of low complexity crest factor reduction in OFDM systems. In: 2013 IEEE 11th Malaysia International Conference on Communications (MICC), 26-28 Nov. 2013, Kuala Lumpur, Malaysia. (pp. 157-161).

Almshreqi, Ahmed M. Shamsan and Mohd Ali, Borhanuddin and A. Rasid, Mohd Fadlee and Ismail, Alyani and Varahram, Pooria (2012) An improved routing mechanism using bio-inspired for energy balancing in wireless sensor networks. In: International Conference on Information Networking 2012 (ICOIN 2012), 1-3 Feb. 2012, The Patra Bali Resort & Villas, Bali, Indonesia. (pp. 150-153).

Varahram, Pooria and Mohd Ali, Borhanuddin (2011) FPGA implementation of novel peak-to-average power ratio reduction in orthogonal frequency division multiplexing systems. In: 17th Asia-Pacific Conference on Communications (APCC 2011), 2-5 Oct. 2011, Sutera Harbour Resort, Kota Kinabalu, Sabah, Malaysia. (pp. 264-268).

Mohammady, Somayeh and Mohd Sidek, Roslina and Varahram, Pooria and Hamidon, Mohd Nizar and Sulaiman, Nasri (2011) FPGA implementation of the proposed DSI-SLM scheme for PAPR reduction in OFDM systems. In: 17th Asia-Pacific Conference on Communications (APCC 2011), 2-5 Oct. 2011, Sutera Harbour Resort, Kota Kinabalu, Sabah, Malaysia. (pp. 484-487).

Varahram, Pooria and Mohd Ali, Borhanuddin and Al-Azzo, Wisam Fahmi (2011) Low complexity ADRG-PTS scheme for PAPR reduction in OFDM systems. In: 13th International Conference on Advanced Communication Technology (ICACT2011), 13-16 Feb. 2011, Seoul, South Korea. (pp. 331-334).

Hussein, Yaseein Soubhi and Mohd Ali, Borhanuddin and Varahram, Pooria (2011) On fractional and semi-soft handover in long term evolution(LTE) networks. In: 17th Asia-Pacific Conference on Communications (APCC 2011), 2-5 Oct. 2011, Sutera Harbour Resort, Kota Kinabalu, Sabah, Malaysia. (pp. 48-52).

Mohammady, Somayeh and Mohd Sidek, Roslina and Varahram, Pooria and Hamidon, Mohd Nizar and Sulaiman, Nasri (2011) Study of PAPR reduction methods in OFDM systems. In: 13th International Conference on Advanced Communication Technology (ICACT2011), 13-16 Feb. 2011, Seoul, South Korea. (pp. 127-130).

Mohammady, Somayeh and Mohd Sidek, Roslina and Varahram, Pooria and Hamidon, Mohd Nizar and Sulaiman, Nasri (2011) A new DSI-SLM method for PAPR reduction in OFDM systems. In: 2011 IEEE International Conference on Consumer Electronics (ICCE), 9-12 Jan. 2011, Las Vegas, Nevada, USA. (pp. 369-370).

Razavi, Sara and Sulaiman, Nasri and Mohammady, Somayeh and Mohd Sidek, Roslina and Varahram, Pooria Efficiency analysis of PAPR reduction schemes. In: 2012 IEEE International Symposium on Telecommunication Technologies (ISTT2012) , 26-28 Nov 2012, Kuala Lumpur. (pp. 279-284).

Mohammady, Somayeh and Sulaiman, Nasri and Varahram, Pooria and Mohd Sidek, Roslina and Hamidon, Mohd Nizar Performance investigation between DSI-SLM and DSI-PTS schemes in OFDM signals. In: 1st IEEE International Symposium on Telecommunication Technologies (ISTT), 26-28 Nov. 2012, Kuala Lumpur Tower, Malaysia. (pp. 210-214).

Borhanuddin Mohd. Ali (2013) A method of peak to average power ration (PAPR). PI2013702570.

Borhanuddin Mohd. Ali (2011) A method of reducing peak-to-average power ratio (PAPR). PI2011003715.

Varahram, Pooria (2010) Power Amplifiers Linearization Based On Complex Gain Memory Predistortion. Doctoral thesis, Universiti Putra Malaysia.