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1
Practical channel state aware and cooperative packet scheduling disciplines for coordinating colocated Bluetooth and IEEE 802.11b devices
May 2007
Computer Communications , Volume 30 Issue 7
Publisher: Butterworth-Heinemann
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Attempts to satisfy the demand for ubiquitous communications have resulted in a proliferation of hand-held short range communication devices based on the ISM (Industrial, Scientific, Medical) band technologies, most notably Bluetooth and IEEE 802.11b. ...


Keywords: Bluetooth, Coexistence, Dual-mode wireless access, IEEE 802.11b, Linux, Network access point (NAP), Queueing disciplines, Scheduling, Wireless routers
2
Co-sited and non co-sited coexistence analysis between IMT-advanced and FWA systems in adjacent frequency band
May 2008
TELE-INFO'08: Proceedings of the 7th WSEAS International Conference on Telecommunications and Informatics
Publisher: World Scientific and Engineering Academy and Society (WSEAS)
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In this paper, coexistence study of the future fourth generation IMT-Advanced with fixed wireless access systems is analyzed. Co-sited the two base stations and non co-sited coexistence and interference are investigated. The interference analysis model, ...


Keywords: ACIR, ACLR, ACS, FWA systems, IMT-advanced system, additional isolation, co-sited and non co-sited coexistence, interference
3
Overview of Research, Development, Standardization, and Regulation Activities in NICT UWB Project
November 2006
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences , Volume E89-A Issue 11
Publisher: Oxford University Press
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This paper presents an overview of research, development, standardization and regulation activities on ultra wideband (UWB) technologies in National Institute of Information and Communications Technology (NICT). NICT started a project on UWB technologies ...


Keywords: UWB, soft spectrum adaptation (SSA), coexistence, detection and avoidance (DAA), spectrum mask, ITU-R TG1/8, radar
4
Outage Probability of Multinode Coexistent CUWB System
February 2009
ICCSN '09: Proceedings of the 2009 International Conference on Communication Software and Networks - Volume 00 , Volume 00
Publisher: IEEE Computer Society
Full text available: Publisher SitePublisher Site
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In this paper, a CUWB system model with coexistence of multinode is studied. Based on the assumption that interfering nodes are Gaussian distribution in cognitive node’s region, outage probability is used to evaluate the performance of system. ...


Keywords: cognitive ultra-wideband, coexistence, Gaussian distribution, outage Probability
5
Structure of positive solutions in the periodic Lotka-Volterra competition model when a parameter varies
October 1996
Nonlinear Analysis: Theory, Methods & Applications , Volume 27 Issue 7
Publisher: Elsevier Science Ltd.
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Keywords: analytic curves linking semi-trivial positive solutions, characterization of the uniqueness and the stability, no solution isolas, structure of coexistence states when a parameter varies
6
Invertibility of linear noncooperative elliptic systems
March 1998
Nonlinear Analysis: Theory, Methods & Applications , Volume 31 Issue 5-6
Publisher: Elsevier Science Ltd.
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Keywords: Lotka-Volterra predator-prey models, coexistence states, maximum principle, noncooperative elliptic systems, principal eigenvalue
7
Global asymptotic behavior of a chemostat model with two perfectly complementary resources and distributed delay
May 2000
SIAM Journal on Applied Mathematics , Volume 60 Issue 6
Publisher: Society for Industrial and Applied Mathematics
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Keywords: chemostat, coexistence, competition, competitive exclusion, distributed delays, global asymptotic behavior, integral differential equations, perfectly complementary resources
8
Permanent coexistence for a linear response omnivory model
May 2007
MOAS'07: Proceedings of the 18th conference on Proceedings of the 18th IASTED International Conference: modelling and simulation
Publisher: ACTA Press
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In mathematical ecology, the question of long-term survival for each species in a set of populations is very important. This paper focuses on populations that interact in a mixture of competition and predation known as omnivory. Omnivory is defined as ...


Keywords: intraguild predation, omnivory, permanence, permanent coexistence
9
On competition-mediated coexistence
October 1997
SIAM Journal on Applied Mathematics , Volume 57 Issue 5
Publisher: Society for Industrial and Applied Mathematics
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Keywords: competition mediated coexistence, permanence, persistence of ecological communities, reation-diffusion models, theoretical ecology
10
Numerical computation of coexistence states
August 1992
SIAM Journal on Numerical Analysis , Volume 29 Issue 4
Publisher: Society for Industrial and Applied Mathematics
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Keywords: Galerkin approximations, coexistence states, multiparameter nonlinear problems, path-following, psuedospectral methods, reaction-diffusion systems, solution surfaces
11
Entropy-maximization based adaptive frequency hopping for wireless medical telemetry systems
May 2009
WiMD '09: Proceedings of the 1st ACM international workshop on Medical-grade wireless networks
Publisher: ACM Request Permissions Request Permissions   
Full text available: PdfPdf (390.21 KB)
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In this paper, we propose an adaptive frequency hopping algorithm, entitled robust adaptive frequency hopping (RAFH), for increased reliability of wireless medical telemetry system (WMTS) under coexistence environment with non-medical devices. The conventional ...


Keywords: entropy maximization, frequency hopping spread spectrum, wireless coexistence, wireless medical telemetry system
12
Coexistence of wireless LANs and Bluetooth networks in mutual interference environment: An integrated analysis
December 2006
Computer Communications , Volume 30 Issue 1
Publisher: Butterworth-Heinemann
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In this paper, a model is developed for the performance analysis of IEEE 802.11b and Bluetooth systems in mutual interference environment. Based on this model, a scheme is proposed to select appropriate parameters, such as packet type, packet segmentation ...


Keywords: Adaptive schemes, Bluetooth, Coexistence, IEEE802.11b, Interference
13
Coexistence between Cognitive Radio Network and Digital TV
February 2009
ICCSN '09: Proceedings of the 2009 International Conference on Communication Software and Networks - Volume 00 , Volume 00
Publisher: IEEE Computer Society
Full text available: Publisher SitePublisher Site
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In order to study the coexistence between cognitive radio network and incumbent services, two representative systems of WRAN and DTV were selected. A simple interference analysis method was proposed through a coexistence scenario. Through calculation ...


Keywords: cognitive radio, WRAN, digital TV, coexistence, interference
14
Emergence of collective strategies in a prey-predator game model
September 1997
Artificial Life , Volume 3 Issue 4
Publisher: MIT Press
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Keywords: coexistence of prey and predators, flocking, random warming
15
Coexistence region and global dynamics of a harvested predator-prey system
February 1998
SIAM Journal on Applied Mathematics , Volume 58 Issue 1
Publisher: Society for Industrial and Applied Mathematics
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Keywords: homoclinic orbit, limit cycles, predator-prey system, region of coexistence, stability
16
Performance Analysis of IEEE 802.11b Under Multiple IEEE 802.15.4 Interferences
May 2007
WWIC '07: Proceedings of the 5th international conference on Wired/Wireless Internet Communications
Publisher: Springer-Verlag
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This paper presents analysis of the performance on the IEEE 802.11b in the presence of multiple IEEE 802.15.4 interferences. To analyze the performance, packet error rate (PER) and throughput are used as performance metrics. The PER is computed by the ...


Keywords: Coexistence, Interference, Packet Error Rate (PER), Throughput
17
Socially conscious channel selection in 802.11 WLANs for coexistence in a non-cooperative environment
Joo Ghee Lim, Chun Tung Chou, Sanjay Jha
October 2009
MSWiM '09: Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
Publisher: ACM Request Permissions Request Permissions   
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The increasing number of independent IEEE 802.11 WLANs owned and managed by autonomous users has led to increased interference, resulting in performance degradation and unfairness. Performance can be improved by allowing these networks to operate on ...


Keywords: IEEE 802.11, channel selection, coexistence, game theory, learning
18
Existence and uniqueness of coexistence states for some nonlinear elliptic systems
August 1995
Nonlinear Analysis: Theory, Methods & Applications , Volume 25 Issue 3
Publisher: Elsevier Science Ltd.
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Keywords: coexistence states, comparison and global continuation, cooperative system, general sublinear convex nonlinearities, implicit function theorem, maximum principle
19
Bifurcation for an elliptic system coupled in the linear part
July 1999
Nonlinear Analysis: Theory, Methods & Applications , Volume 37 Issue 1
Publisher: Elsevier Science Ltd.
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Keywords: Leray-Schauder degree, bifurcation to positive solution, coexistence states, linearly coupled elliptic systems
20
Design and evaluation of practical coexistence management schemes for Bluetooth and IEEE 802.11b systems
June 2007
Computer Networks: The International Journal of Computer and Telecommunications Networking , Volume 51 Issue 8
Publisher: Elsevier North-Holland, Inc.
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Bluetooth and IEEE 802.11b standards share the same unlicensed ISM (Industrial, Scientific, Medical) radio spectrum. As such, severe interference is inevitable and performance can be impaired significantly when heterogeneous devices using the two technologies ...


Keywords: Adaptive frequency hopping (AFH), Bluetooth, Coexistence, Collisions, IEEE 802.11b, IEEE 802.15, Non-collaborative mechanisms, WLAN
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