Title
Buffer-Based Channel Dependent Uplink Scheduling In Relay-Assisted Lte Networks
Abstract
We consider the problem of UpLink (UL) scheduling in relay-assisted Long Term Evolution (LTE) networks and propose a Buffer-based Channel dependent Scheduler (BCS) for the same. Our objectives are to minimize packet loss due to buffer overflow and increase resource utilization efficiency while ensuring fairness among users. This is achieved by utilizing the Buffer Status Report (BSR) available in Third Generation Partnership Project (3GPP)-LTE. The proposed scheduler comprise three-phases. Phase I partitions the resources between eNB (Base Station in LTE) and Relay Nodes (RNs) while Phase II, between different RNs. This resource partitioning is entailed by Phase III which implements buffer-based channel dependent resource allocation. We perform simulations to illustrate reduction in packet drop probability and increment in resource utilization efficiency when BSR is incorporated in scheduling decision. Further, our simulations show that BCS provides higher degree of fairness and lower outage probability compared to opportunistic and round robin scheduler. We also investigate the impact of buffer based resource partitioning on packet drop probability.
Year
DOI
Venue
2012
10.1109/WCNC.2012.6214072
2012 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC)
Keywords
Field
DocType
throughput,base station,wireless network,resource allocation,resource management,signal to noise ratio,resource manager,resource partitioning,packet loss,buffer overflow,resource utilization,wireless networks,scheduling,third generation partnership project
Resource management,Computer science,Scheduling (computing),Packet loss,Computer network,Real-time computing,Resource allocation,Throughput,3rd Generation Partnership Project 2,Telecommunications link,Distributed computing,Buffer overflow
Conference
ISSN
Citations 
PageRank 
1525-3511
3
0.41
References 
Authors
2
3
Name
Order
Citations
PageRank
Mahima Mehta1263.12
Suman Khakurel21095.30
Abhay Karandikar321731.29