NDLI: Uplink relaying in hybrid wireless networks with out-of-cell interference reduction

Content Provider	Springer Nature Link
Author	Wang, Ju Liu, Jonathan C. L.
Copyright Year	2008
Abstract	The next generation broadband access networks must provide high speed bidirectional data channels and support more concurrent subscribers than ever before. While mega-bits-per-second data rates have been demonstrated for the downlink channels, progress on uplink has been slow. We propose a hybrid architecture for CDMA uplink that seamlessly integrates short-range radio and WCDMA interfaces in the same network. In our scheme, mobile stations (subscribers) can operate as Relaying Mobile Terminal (RMT) to relay uplink traffic for nearby mobile stations. Our analysis and simulations show that the deployment of RMTs significantly reduces the radio transmissions in the CDMA uplink. Moreover, the scheme results in a much lower out-of-cell interference to the neighboring network cells. The problem of finding the optimum RMT set turns out to be NP-hard. Several heuristics are evaluated in terms of RMT size and out-of-cell interference. In particular, we investigated a novel vertex cover based heuristic algorithm. Our method uses mobile pilot signals and mobile location to estimate a interference function for each node. This function is then used in selecting a maximum matching for the candidate RMT set. Simulation results are somewhat surprising: the simple greedy algorithm has very close performance to that of the optimum algorithm when only the RMT size is concerned. When out-of-cell interference is considered, the proposed algorithm outperforms both greedy and 2-approximation algorithm.
Starting Page	1113
Ending Page	1125
Page Count	13
File Format	PDF
ISSN	10220038
Journal	Wireless Networks
Volume Number	15
Issue Number	8
e-ISSN	15728196
Language	English
Publisher	Springer US
Publisher Date	2008-02-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wireless network WCDMA Uplink relaying Out-cell-interference Vertex cover WLAN Business Information Systems Electrical Engineering Computer Communication Networks Communications Engineering, Networks
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Hierarchical modulation based cooperative relaying over a multi-cell OFDMA network

Analysis of a Campus-Wide Wireless Network

Impact of Interference on the Wireless Ad-Hoc Networks Capacity and Topology

Analytic estimation for uplink capacity reduction due to co-channel interference in LTE networks

Fair QoS multi-resource allocation for uplink traffic in WLAN

Performance improvements of communication-based train control (CBTC) systems with unreliable wireless networks

Green WLANs: On-Demand WLAN Infrastructures

Impact of Interference on Multi-Hop Wireless Network Performance

On the Use of Multiple Hops in Next Generation Wireless Systems

Uplink relaying in hybrid wireless networks with out-of-cell interference reduction

Similar Documents

Hierarchical modulation based cooperative relaying over a multi-cell OFDMA network

Analysis of a Campus-Wide Wireless Network

Impact of Interference on the Wireless Ad-Hoc Networks Capacity and Topology

Analytic estimation for uplink capacity reduction due to co-channel interference in LTE networks

Fair QoS multi-resource allocation for uplink traffic in WLAN

Performance improvements of communication-based train control (CBTC) systems with unreliable wireless networks

Green WLANs: On-Demand WLAN Infrastructures

Impact of Interference on Multi-Hop Wireless Network Performance

On the Use of Multiple Hops in Next Generation Wireless Systems

Uplink relaying in hybrid wireless networks with out-of-cell interference reduction