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Papers by Jagrati Kulshrestha

Research paper thumbnail of LFTA: Legacy Friendly Traffic Allocation Strategy for Multi-Link Operation in WiFi7

Research paper thumbnail of An Analytical Study of the Chain Based Data Collection Approaches

In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed fro... more In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed from different nodes/devices to some central controller or the processor (base station/sink). Over the years various routing protocols have been developed that tend to decrease the energy dissipation of the nodes during transmission of the data to the sink. In this work, we present a comparative study of the various chain based routing protocols present in the literature. This work also presents a concise analysis of the various aspects of these protocols.

Research paper thumbnail of When Is Multiple Access Beneficial? An Analysis of Multi-User Performance in IEEE 802.11ax

IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multi... more IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multiple users to transmit or receive frames concurrently. The standard suggests that OFDMA will provide reduced latency and increased throughput in dense scenarios compared to single-user OFDM. This work uses the latest 802.11ax models supplied by the widely used open-source network simulator NS-3 (version 3.34) to investigate the OFDMA performance under various downlink traffic loads and various application settings for both UDP and TCP traffic. Our simulation results show that the actual benefits of OFDMA over OFDM can only be extracted under intermediate traffic loads for UDP and TCP. We observe that in comparison to OFDM, OFDMA provides more consistent performance in the case of video streaming and video conferencing. Further, it provides lesser latency for web-based applications.

Research paper thumbnail of When Is Multiple Access Beneficial? An Analysis of Multi-User Performance in IEEE 802.11ax

Proceedings of the 20th ACM International Symposium on Mobility Management and Wireless Access on 20th ACM International Symposium on Mobility Management and Wireless Access

IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multi... more IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multiple users to transmit or receive frames concurrently. The standard suggests that OFDMA will provide reduced latency and increased throughput in dense scenarios compared to single-user OFDM. This work uses the latest 802.11ax models supplied by the widely used open-source network simulator NS-3 (version 3.34) to investigate the OFDMA performance under various downlink traffic loads and various application settings for both UDP and TCP traffic. Our simulation results show that the actual benefits of OFDMA over OFDM can only be extracted under intermediate traffic loads for UDP and TCP. We observe that in comparison to OFDM, OFDMA provides more consistent performance in the case of video streaming and video conferencing. Further, it provides lesser latency for web-based applications.

Research paper thumbnail of An Analytical Study of the Chain Based Data Collection Approaches

2019 4th International Conference on Information Systems and Computer Networks (ISCON), 2019

In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed fro... more In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed from different nodes/devices to some central controller or the processor (base station/sink). Over the years various routing protocols have been developed that tend to decrease the energy dissipation of the nodes during transmission of the data to the sink. In this work, we present a comparative study of the various chain based routing protocols present in the literature. This work also presents a concise analysis of the various aspects of these protocols.

Research paper thumbnail of An adaptive energy balanced and energy efficient approach for data gathering in wireless sensor networks

Ad Hoc Networks

Energy efficiency and energy balancing are the most stringent needs of wireless sensor network fo... more Energy efficiency and energy balancing are the most stringent needs of wireless sensor network for prolonging its lifetime. As direct transmissions are costly, multi-hop approach is often used to collect the data of the nodes at the sink. However, many-to-one communication pattern in multi-hop communication may result in an unbalanced energy consumption in the network. Nodes closer to the sink deplete their energy at a faster rate than nodes that are further away. Mixed transmission approach, where each node trades-off between the cheaper hop-by-hop transmission and costlier direct transmission, is a good solution for balancing energy consumption. This paper proposes a receiver contention based mixed transmission scheme for energy balancing. In addition to distance and residual energy of the receivers, it also considers the link reliability and the number of neighboring nodes, in setting of the timer that will determine the relay node selection. The proposed approach gives more efficient and effective energy balanced data transmission as compared with the other works proposed in the literature. Its performance is evaluated and presented both analytically and through simulations, and the analytical estimations are validated by the simulation results. The simulation results show a significant improvement over the other closely related approaches. Moreover, the proposed approach can be easily used with both uniform as well as non-uniform node deployment.

Research paper thumbnail of Secure Routing-Based AODV to Prevent Network from Black Hole Attack in MANET

Research paper thumbnail of DPEGASIS: Distributed PEGASIS for chain construction by the nodes in the network or in a zone without having global network topology information

2017 International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT)

Research paper thumbnail of Energy balanced data gathering approaches in wireless sensor networks using mixed-hop communication

Research paper thumbnail of Energy balanced data gathering approaches, issues and research directions

Telecommunication Systems

Research paper thumbnail of LFTA: Legacy Friendly Traffic Allocation Strategy for Multi-Link Operation in WiFi7

Research paper thumbnail of An Analytical Study of the Chain Based Data Collection Approaches

In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed fro... more In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed from different nodes/devices to some central controller or the processor (base station/sink). Over the years various routing protocols have been developed that tend to decrease the energy dissipation of the nodes during transmission of the data to the sink. In this work, we present a comparative study of the various chain based routing protocols present in the literature. This work also presents a concise analysis of the various aspects of these protocols.

Research paper thumbnail of When Is Multiple Access Beneficial? An Analysis of Multi-User Performance in IEEE 802.11ax

IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multi... more IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multiple users to transmit or receive frames concurrently. The standard suggests that OFDMA will provide reduced latency and increased throughput in dense scenarios compared to single-user OFDM. This work uses the latest 802.11ax models supplied by the widely used open-source network simulator NS-3 (version 3.34) to investigate the OFDMA performance under various downlink traffic loads and various application settings for both UDP and TCP traffic. Our simulation results show that the actual benefits of OFDMA over OFDM can only be extracted under intermediate traffic loads for UDP and TCP. We observe that in comparison to OFDM, OFDMA provides more consistent performance in the case of video streaming and video conferencing. Further, it provides lesser latency for web-based applications.

Research paper thumbnail of When Is Multiple Access Beneficial? An Analysis of Multi-User Performance in IEEE 802.11ax

Proceedings of the 20th ACM International Symposium on Mobility Management and Wireless Access on 20th ACM International Symposium on Mobility Management and Wireless Access

IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multi... more IEEE 802.11ax introduces OFDMA (Orthogonal Frequency Division Multiple Access), that allows multiple users to transmit or receive frames concurrently. The standard suggests that OFDMA will provide reduced latency and increased throughput in dense scenarios compared to single-user OFDM. This work uses the latest 802.11ax models supplied by the widely used open-source network simulator NS-3 (version 3.34) to investigate the OFDMA performance under various downlink traffic loads and various application settings for both UDP and TCP traffic. Our simulation results show that the actual benefits of OFDMA over OFDM can only be extracted under intermediate traffic loads for UDP and TCP. We observe that in comparison to OFDM, OFDMA provides more consistent performance in the case of video streaming and video conferencing. Further, it provides lesser latency for web-based applications.

Research paper thumbnail of An Analytical Study of the Chain Based Data Collection Approaches

2019 4th International Conference on Information Systems and Computer Networks (ISCON), 2019

In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed fro... more In Wireless Sensor Networks(WSN) and Internet of Things (IoT) domain, data needs to be routed from different nodes/devices to some central controller or the processor (base station/sink). Over the years various routing protocols have been developed that tend to decrease the energy dissipation of the nodes during transmission of the data to the sink. In this work, we present a comparative study of the various chain based routing protocols present in the literature. This work also presents a concise analysis of the various aspects of these protocols.

Research paper thumbnail of An adaptive energy balanced and energy efficient approach for data gathering in wireless sensor networks

Ad Hoc Networks

Energy efficiency and energy balancing are the most stringent needs of wireless sensor network fo... more Energy efficiency and energy balancing are the most stringent needs of wireless sensor network for prolonging its lifetime. As direct transmissions are costly, multi-hop approach is often used to collect the data of the nodes at the sink. However, many-to-one communication pattern in multi-hop communication may result in an unbalanced energy consumption in the network. Nodes closer to the sink deplete their energy at a faster rate than nodes that are further away. Mixed transmission approach, where each node trades-off between the cheaper hop-by-hop transmission and costlier direct transmission, is a good solution for balancing energy consumption. This paper proposes a receiver contention based mixed transmission scheme for energy balancing. In addition to distance and residual energy of the receivers, it also considers the link reliability and the number of neighboring nodes, in setting of the timer that will determine the relay node selection. The proposed approach gives more efficient and effective energy balanced data transmission as compared with the other works proposed in the literature. Its performance is evaluated and presented both analytically and through simulations, and the analytical estimations are validated by the simulation results. The simulation results show a significant improvement over the other closely related approaches. Moreover, the proposed approach can be easily used with both uniform as well as non-uniform node deployment.

Research paper thumbnail of Secure Routing-Based AODV to Prevent Network from Black Hole Attack in MANET

Research paper thumbnail of DPEGASIS: Distributed PEGASIS for chain construction by the nodes in the network or in a zone without having global network topology information

2017 International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT)

Research paper thumbnail of Energy balanced data gathering approaches in wireless sensor networks using mixed-hop communication

Research paper thumbnail of Energy balanced data gathering approaches, issues and research directions

Telecommunication Systems