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- posterSeptember 2023
Time Synchronization based on Time Difference of Arrival with Propagation Delay Estimation in 5G-TSN Integrated Networks
APNet '23: Proceedings of the 7th Asia-Pacific Workshop on NetworkingPages 213–214https://doi.org/10.1145/3600061.3603139This poster presents a time synchronization method based on the time difference of arrival (TDOA) with propagation delay estimation in 5G-TSN integrated networks. It improves the time synchronization accuracy about 8.9% compared to the conventional ...
- research-articleJanuary 2020
Analysing control plane scalability issue of software defined wide area network using simulated annealing technique
International Journal of Grid and Utility Computing (IJGUC), Volume 11, Issue 6Pages 827–837https://doi.org/10.1504/ijguc.2020.110898In Software Defined Networks (SDN), the decoupling of the control logic from the data plane provides numerous advantages. Since its inception, SDN is a subject of a wide range of criticism mainly related to the scalability issues of the control plane. To ...
- research-articleJune 2019
Performance analysis of doped multi-layer graphene nanoribbon (MLGNR) interconnects at deep sub-micron nodes
ICAICR '19: Proceedings of the Third International Conference on Advanced Informatics for Computing ResearchArticle No.: 22, Pages 1–6https://doi.org/10.1145/3339311.3339333With technology, shrinking towards deep sub-micron Multi-layer GNR (Graphene Nanoribbons) has become evolving choice for the use of interconnects, as technology is moving towards deep submicron dimensions. This is due to the various superior ...
- short-paperDecember 2018
Time-based adaptive collision-avoidance real-time MAC protocol for underwater acoustic sensor networks
WUWNet '18: Proceedings of the 13th International Conference on Underwater Networks & SystemsArticle No.: 13, Pages 1–5https://doi.org/10.1145/3291940.3291991With the development of marine exploration, underwater acoustic sensor networks (UASNs) are characterized by large-scale, high-flow loads. In addition, media access control (MAC) protocols have a significant impact on the performance of UASNs due to ...
- research-articleNovember 2017
CUMAC-CAM: Addressing Triple Hidden Terminal Problems for Multi-channel Transmission in Underwater Sensor Networks
WUWNet '17: Proceedings of the 12th International Conference on Underwater Networks & SystemsArticle No.: 1, Pages 1–8https://doi.org/10.1145/3148675.3148707As multi-channel communication is becoming more and more common in Radio Frequency (RF) arena, acoustic communication protocols have also started to adopt the same concept to utilize multiple channels in Underwater Sensor Networks (UWSN). Although the ...
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- research-articleJanuary 2017
Modelling and simulation of channel power delay profile under indoor stair environment
An empirical stochastic discrete tapped delay line (DTDL) power delay profile (PDP) model is presented. It is used for characterising the multipath effects under indoor stair environment. In this model, the amplitude at each DTDL tap and stair step ...
- extended-abstractOctober 2016
DoF-achieving distance-aligned structure for layered underwater acoustic 2x3x3 X networks
WUWNet '16: Proceedings of the 11th International Conference on Underwater Networks & SystemsArticle No.: 39, Pages 1–2https://doi.org/10.1145/2999504.3001088In this paper, we investigate the degrees of freedom (DoF) of a layered 2 × 3 × 3 X channel for underwater acoustic networks (UANs), where each of the two source nodes sends an independent message to each of the three destination nodes via the relay ...
- research-articleApril 2016
Asynchronous amplify‐and‐forward relay communications for underwater acoustic networks
Underwater acoustic communications (UAC) feature frequency‐dependent signal attenuation, long propagation delay and doubly‐selective fading. Thus the design of reliable UAC protocols is challenging. On the other hand, cooperative relay communications, ...
- research-articleJanuary 2016
Diversity combining in bi‐directional relay networks with energy harvesting nodes
In this study, the authors consider two multiple‐antenna transceivers exchanging information through a relay‐assisted network using a single‐carrier communication scheme. The authors assume that the propagation delay in different relaying path is ...
- research-articleJune 2015
Short‐term fading model for signals reflected by ocean surfaces in underwater acoustic communication
IET Communications (CMU2), Volume 9, Issue 9Pages 1147–1153https://doi.org/10.1049/iet-com.2014.0456A short‐term fading model based on rough surface theory is proposed to estimate stochastic characteristics of signals reflected by time‐varying ocean surfaces in underwater acoustic channels. With this method, probability density functions of the ...
- research-articleMay 2015
Time and Frequency Domain Analysis of MLGNR Interconnects
IEEE Transactions on Nanotechnology (ITN), Volume 14, Issue 3Pages 484–492https://doi.org/10.1109/TNANO.2015.2408353Multilayer graphene nanoribbons (MLGNRs) have potentially provided attractive solutions in an intensely growing researched area of interconnects. However, for MLGNR interconnects, the doping is inevitable since the conductivity of neutral MLGNR is much ...
- research-articleMarch 2015
Investigation on High-Performance CMOS With p-Ge and n-InGaAs MOSFETs for Logic Applications
IEEE Transactions on Nanotechnology (ITN), Volume 14, Issue 2Pages 275–281https://doi.org/10.1109/TNANO.2015.2390295CMOS circuits built using Ge-channel p-MOSFETs and InGaAs-channel n-MOSFETs have shown promise for high-performance logic applications. In this paper, we investigate for the first time the performance of such circuits using extensive device simulations. ...
- short-paperJanuary 2015
Integer division technique for signal processing applications
IMCOM '15: Proceedings of the 9th International Conference on Ubiquitous Information Management and CommunicationArticle No.: 52, Pages 1–4https://doi.org/10.1145/2701126.2701215Algorithmic implementation of integer division technique based on ancient Vedic mathematics is reported in this paper. The potentiality of the 'Nikhilam Navatascaramam Dasatah (NND)' (all from 9 and last from 10)' sutra of Vedic mathematics was adopted ...
- articleDecember 2014
Estimation of high performance in Schmitt triggers with stacking power-gating techniques in 45nm CMOS technology
International Journal of Communication Systems (IJOCS), Volume 27, Issue 12Pages 4369–4383https://doi.org/10.1002/dac.2620In the complementary metal oxide semiconductor CMOS nanoscale technology ground bounce noise and power consumption are becoming important metric. In presented paper, low leakage Schmitt trigger circuits are proposed for wave shaping or cleaning process ...
- research-articleNovember 2013
A bidirectional TDMA protocol for underwater acoustic sensor networks
WUWNet '13: Proceedings of the 8th International Conference on Underwater Networks & SystemsArticle No.: 12, Pages 1–2https://doi.org/10.1145/2532378.2532385To improve the channel efficiency, a bidirectional TDMA protocol is proposed for UWASNs in the paper. In proposed protocol, each time slot is divided into two parts, the DATA transmission/reception part and the ACK transmission/reception part. Two ...
- ArticleSeptember 2013
Distributed clock synchronization algorithm for wide-range TDMA ad hoc networks
WiFlex'13: Proceedings of the First international conference on Wireless Access FlexibilityPages 112–124https://doi.org/10.1007/978-3-642-39805-6_10In this paper a new distributed clock synchronization algorithm for wireless multihop ad hoc network is presented. The algorithm is based on TSF (Timing Synchronization Function) used in IEEE 802.11. We extended TSF with determination of propagation ...
- ArticleJuly 2013
A Protocol for Efficient Transmissions in UASNs
ICDCSW '13: Proceedings of the 2013 IEEE 33rd International Conference on Distributed Computing Systems WorkshopsPages 333–338https://doi.org/10.1109/ICDCSW.2013.41This paper proposes a MAC protocol for enhancing the throughput in underwater acoustic sensor networks. Since the transmission speed of acoustic wave is much slower than that of radio, the propagation delay in the water is much longer. For solving the ...
- ArticleMay 2013
Design and Evaluation of a Differential Switching Gate for Low-Voltage Applications
ISMVL '13: Proceedings of the 2013 IEEE 43rd International Symposium on Multiple-Valued LogicPages 146–151https://doi.org/10.1109/ISMVL.2013.23A new basic switching gate based on differential logic is proposed for implementing high-performance low-voltage VLSI. Differential switching gate operates in current domain and output voltage swing can be determined independent of supply voltage, which ...
- research-articleMarch 2013
Asynchronous cooperative transmission for three‐dimensional underwater acoustic networks
Although the techniques of cooperative transmission have been developed for terrestrial sensor networks in recent years to improve the bit‐error‐rate (BER) performance, the unique characteristics of the underwater acoustic communication channel, such as ...
- ArticleJuly 2012
Propagation Delay Characteristics Within Multi-beam Antenna Coverage of LEO Satellite Systems
MACE '12: Proceedings of the 2012 Third International Conference on Mechanic Automation and Control EngineeringPages 1882–1885In this paper a calculation model of propagation delays of satellite beams is introduced according to the analysis of propagation delay characteristic in the LEO multi-beam satellite communications system. Based on actual parameters and beam coverage ...