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Ramesh, C.
- SNR based Predictive Packet Scheduling in LTE with Varied CQI
Abstract Views :180 |
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Authors
S. Suganya
1,
C. Ramesh
1
Affiliations
1 Department of Electronics and Communication, C.M.R. Institute of Technology, Bangalore - 560037, Karnataka, IN
1 Department of Electronics and Communication, C.M.R. Institute of Technology, Bangalore - 560037, Karnataka, IN
Source
Indian Journal of Science and Technology, Vol 9, No 47 (2016), Pagination:Abstract
In this work, a method is proposed to schedule the resources while considering SNR values along with CQI in a view to provide a better packet scheduling. A threshold based method is also proposed with multiple packet scheduling algorithm. A novel Kalman filter based CQI estimation algorithm is designed using SNR values. Different packet scheduling algorithms are decided for varied CQI levels. Simulation results show that the proposed method would improve the link level performance and average throughput of the system. Furthermore, the effect of improving quality is highlighted on user experience and applications are suggested which might change the way we will use Internet in near or far future.Keywords
Channel Allocation, Fair Queuing, Imperfect CQI, LTE, Packet Scheduling, Proportional Fair, Resource Blocks.- Design of Side Link Protocol for D2D Communications in VANETs using LTE-A
Abstract Views :181 |
PDF Views:0
Authors
K. P. Sharmila
1,
C. Ramesh
1
Affiliations
1 Department of Telecommunication Engineering, CMR Institute of Technology, Bangalore – 560037, IN
1 Department of Telecommunication Engineering, CMR Institute of Technology, Bangalore – 560037, IN
Source
Indian Journal of Science and Technology, Vol 10, No 39 (2017), Pagination:Abstract
Increasing demands for highly efficient proximity networks led to the derivation of LTE-A (LTE-Advanced) by 3GPP (3rd-Generation- Partnership-Project).Its superior characteristics in terms of capacity and data rates make it a user-friendly option to realize the pipe dream of efficient communication for several communication modules. Device to Device (D2D) communication is one such scheme that adopted the features of LTE-A to ensure the quality of experience and services for the users. D2D aims at establishing device connectivity by interlinking devices in the vicinity. Direct connectivity and connectivity via ENodeB (eNB) are the advisable schemes of D2D Communication. Further enhancement is D2D is realized in the form of side-link which ensures direct connectivity of devices by eliminating eNB routing. This achievement by 3GPP enhances the co-existence of side-link and D2D,which makes it adoptable in various value added services. One such value added service exists as VANETS (Vehicular ad-hoc networks), designed for inter vehicular communication to elevate quality of living of the people by ensuring public safety. This paper mainly focuses on Radio Resource Controller (RRC), Media Access Control (MAC) and ProSe layers of 3GPP protocol stack.Keywords
D2D, LTE-A, Proximity Services, Side-Link, VANET- Comparison of Compressed Sensing MMSE Channel estimation with conventional LS and MMSE
Abstract Views :167 |
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Authors
Affiliations
1 Department of Electronics and Communication, CMR Institute of Technology, Bangalore - 560 037, IN
1 Department of Electronics and Communication, CMR Institute of Technology, Bangalore - 560 037, IN