Search Results - "S. Pillai, Sakuntala"

A novel SLM-based approach for reducing PAPR in LFDMA systems by Nair, Lekshmi R., Pillai, Sakuntala S.

“…Localized Frequency Division Multiple Access (LFDMA) systems are gaining attention because of its low Peak to Average Power Ratio (PAPR). Selective Mapping…”
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New Preamble Sequence for WiMAX System with Improved Synchronization Accuracy by Sekhar, Suma, S. Pillai, Sakuntala, Santhosh Kumar, S.

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Low Complexity Resource Allocation Techniques for Symmetrical Services in OFDMA Systems by Swapna, P. S., Pillai, Sakuntala S.

“…The popularity of symmetrical services like video conferencing, telemedicine etc. is in an upsurge. With the rapid increase in the number of customers for such…”
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Performance evaluation of Code Excited Linear Prediction Speech Coders at various bit rates by Anselam, Ancy S., Pillai, Sakuntala S.

“…Attractive improvements have been made during these days in coding speech with high quality at low bit rates and low delay. The need for low bit rate speech…”
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PAPR reduction in LFDMA systems using Modified Selective Mapping by Nair, Lekshmi R., Pillai, Sakuntala S., G, Shiny

“…High Peak-to-Average Power Ratio (PAPR) is a severe issue for single-carrier frequency division multiple access (SC-FDMA) systems, limiting it to a few…”
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LFDMA PAPR minimization using Advanced Selective Mapping-based phase factor optimization by Nair, Lekshmi R., Pillai, Sakuntala S., G., Shiny

“…Single Carrier Frequency Division Multiple Access (SC-FDMA) is a promising method for uplink communication that uses single carrier modulation and has the same…”
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A New Approach for Improving Performance of Localized SC-FDMA LTE Uplink by Nair, Lekshmi R., Pillai, Sakuntala S.

“…Single Carrier Frequency Division Multiple Access (SC-FDMA) is an uplink communication standard for 3GPP (Third Generation Partnership Project) Long Term…”
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Companding and Pulse shaping technique for PAPR reduction in FBMC systems by Raju, Neenu, Pillai, Sakuntala S.

“…Multicarrier modulation systems have become a fast growing field in the modern communication field. The most popular multicarrier modulation technique, OFDM…”
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MMSE channel estimation with LMS equalization for SC FDE systems by Anupama, P., Pillai, Sakuntala S.

“…Single-carrier frequency-domain equalization has been adopted as the uplink scheme for broadband high speed wireless communications, in contrast to OFDM for…”
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Duty cycle adapted MAC for Wireless Sensor Networks with energy harvesting by Karthi, J. S., Rao, S. Viswanatha, Pillai, Sakuntala S.

“…Wireless Sensor Networking is an important area of research due to its wide and varied applications, especially in environmental monitoring and health…”
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Performance analysis of wireless sensor networks with IEEE 802.15.4 MAC based on variation in packet size by Karthi, J. S., Viswanatha Rao, S., Pillai, Sakuntala S.

“…Wireless sensor networks (WSNs) are large networks comprised of small sensor nodes, which are capable of sensing data from the surrounding environment, and…”
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Heterogeneous user mobility based scheduling scheme and transmission mode selection in downlink LTE/LTE-A systems by George, Sherry Varghese, Mathews, Luxy, Pillai, Sakuntala S.

“…The 3GPP LTE/LTE-A is the most promising technology for next-generation wireless communications providing peak data rates of 1 Gbps. The scheme for the…”
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An efficient preamble design for timing synchronization in MIMO-OFDM systems by Suparna Sreedhar, A., Sekhar, Suma, Pillai, Sakuntala S.

“…In this paper, we propose an efficient preamble structure for improving the timing synchronization in Multiple Input Multiple Output (MIMO) Orthogonal…”
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Channel allocation for throughput enhancement of IEEE 802.11 MAC based multi-hop Wireless Sensor Networks by Mini, S. P., Viswanatha Rao, S., Pillai, Sakuntala S.

“…Multi-channel MAC protocols gains very much importance because of the necessity to enhance the network capacity of wireless networks. Existing MAC protocols…”
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Performance analysis of transmission modes in 4G LTE/LTE-A downlink systems by George, Sherry Varghese, Mathews, Luxy, Pillai, Sakuntala S.

“…The 3GPP LTE/LTE-A is the most promising technology for next-generation wireless communications providing peak data rates of 1 Gbps. The transmission mode has…”
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Rate maximization algorithm for uplink wireless cooperative cellular networks by Robins, Sweety, Swapna, P. S., Pillai, Sakuntala S.

“…Cooperative relaying is a promising technique for present wireless communication networks such as Orthogonal Frequency Division Multiple Access (OFDMA) to…”
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Adaptive threshold based energy detection for cognitive radios by Moorthy, Yamuna K., Pillai, Sakuntala S.

“…Spectrum sensing is one of the most crucial tasks a cognitive radio has to carry out in order to decide whether a licensed spectrum can be used without causing…”
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Optimal Lasercom Satellite Transmitter Based on Performance Prediction and Design Adaptation by Devarajan, Dhanya, Pillai, Sakuntala S., Pradeep, Sreelatha

“…Laser communication or lasercom which is the wireless counterpart of optical fiber communication, inherits all its potential properties. Even so, laser beam is…”
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Fairness Improvement in OFDMA Femtocell Networks by Sandhya, Y. A., Swapna, P. S., Pillai, Sakuntala S.

“…Fourth generation cellular networks use Orthogonal Frequency Division Multiple Access (OFDMA) as the multiple access technique. It allows multiple users to…”
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Energy efficient design using statistical interference constraints for cognitive 5G networks under PU mobility by Moorthy, Yamuna K., Pillai, Sakuntala S., Gopinathan, Shiny

“…Energy efficiency (EE) has now become one of the essential parameters in the design of 5G and other next‐generation communication networks mainly due to…”
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