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Karlstad University
(21 results)-
White Papers
Increasing SIP Firewall Performance by Ruleset Size Limitation
June 6, 2008, 12:00am PDT
To protect SIP communication networks from attacks, especially flooding attacks like Denial-of-Service or message spam, Intrusion Detection Systems (IDS) are deployed at the ingress point of the...
Provided by Karlstad University
-
White Papers
Towards Secure SIP Signalling Service for VoIP Applications
May 4, 2009, 12:00am PDT
Current Voice over IP (VoIP) services are regarded less secure than the traditional Public Switched Telephone Network (PSTN). This is due to the fact that VoIP services are frequently deployed in...
Provided by Karlstad University
-
White Papers
VoIP Service Performance Optimization in Pre-IEEE 802.11s Wireless Mesh Networks
March 7, 2008, 12:00am PST
802.11-based Wireless Mesh Networks are seen as a means for providing last mile connections to Next Generation Networks. Due to the low deployment cost and the mature technology used, they are...
Provided by Karlstad University
-
White Papers
Capacity Increase for Voice Over IP Traffic Through Packet Aggregation in Wireless Multihop Mesh Networks
August 24, 2007, 12:00am PDT
Recently, Voice over IP (VoIP) has become an important service for the future internet. However, for ubiquitous wireless VoIP services, greater coverage will be necessary as promised by the advent...
Provided by Karlstad University
-
White Papers
From The Seller's Offering To The Customer's Needing In A Business-To-Business Setting
August 18, 2008, 12:00am PDT
Views on industrial service have conceptually progressed from the output of the provider's production process to the result of an interaction process in which the customer also is involved. An...
Provided by Karlstad University
-
White Papers
Creating New Market Space Business Development And Relationship Building In New Ventures
August 18, 2008, 12:00am PDT
The rate of technological change and speed of technological diffusion are high in most industries. Structural changes and globalisation based on worldwide economic development are also adding to...
Provided by Karlstad University
-
White Papers
Urban-X: Towards Distributed Channel Assignment in Cognitive Multi-Radio Mesh Networksuting in Mobile Ad Hoc and Sensor Networks
September 17, 2010, 12:00am PDT
Researches about multi-radio mesh networks have mostly focused on channel allocation under internal interference. However, the deployment of WMNs in unlicensed bands of dense urban areas imposes...
Provided by Karlstad University
-
White Papers
Cognitive Multi-Radio Mesh Networks on ISM Bands: A Cross-Layer Architecture
October 7, 2010, 12:00am PDT
A Wireless Mesh Network (WMN) has been popularly researched as a wireless backbone for Internet access with off-the-shelf and inexpensive equipments. Nowadays, several applications like contents...
Provided by Karlstad University
-
White Papers
Cross-Layer Analysis of TCP Performance in a 4G System
August 31, 2007, 12:00am PDT
This paper presents results from an experimental study of TCP in a wireless 4G evaluation system. Test-bed results on transport layer performance are presented and analyzed in relation to several...
Provided by Karlstad University
-
White Papers
OpenFlow for Wireless Mesh Networks
March 7, 2011, 12:00am PST
Several protocols for routing and forwarding in Wireless Mesh Networks (WMN) have been proposed, such as AODV, OLSR or B.A.T.M.A.N. However, providing support for e.g. flowbased routing where...
Provided by Karlstad University
-
White Papers
VoIP Packet Aggregation based on Link Quality Metric for Multihop Wireless Mesh Networks
May 10, 2007, 12:00am PDT
Providing Voice over IP in WLAN based wireless meshed networks is an important service for the future wireless internet. However, the transmission of small (voice) packets imposes high overhead...
Provided by Karlstad University
-
White Papers
Practical Considerations for Channel Assignment in Wireless Mesh Networks
August 27, 2010, 12:00am PDT
In multi-radio Wireless Mesh Networks (WMNs) several radios can operate within one node simultaneously on different channels. Due to frequency selective fading and varying output powers of WLAN...
Provided by Karlstad University
-
White Papers
Towards Anonymity in Mobile Ad Hoc Networks: The Chameleon Protocol and Its Anonymity Analysis
August 17, 2006, 12:00am PDT
This paper presents Chameleon, a novel anonymous overlay network for mobile ad hoc environments. As far the authors know Chameleon is the first low-latency anonymous overlay network applied in a...
Provided by Karlstad University
-
White Papers
Chameleon and the Identity-Anonymity Paradox: Anonymity in Mobile Ad Hoc Networks
July 2, 2006, 12:00am PDT
In this paper, the authors first present the identity-anonymity paradox, which explains why identities are needed to achieve reliable anonymity. Then, they introduce Chameleon, a novel anonymous...
Provided by Karlstad University
-
White Papers
Peer-to-Peer Selection and Channel Assignment for Wireless Mesh Networks
November 30, 2010, 12:00am PST
Wireless mesh networks are an emerging paradigm for future broadband wireless access networks, with many application areas ranging from content distribution over community networking and providing...
Provided by Karlstad University
-
White Papers
Measuring the Impact of ACI in Cognitive Multi-Radio Mesh Networks
May 27, 2010, 12:00am PDT
In this paper, the authors address the impact of ACI on dynamic spectrum allocation in multi-radio systems. In particular, they present the benefits of dynamic spectrum allocation by adapting...
Provided by Karlstad University
-
White Papers
Toward a Formal Framework to Evaluate Wireless Sensor Network Security
March 12, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) are becoming widespread and pervasive, even in context where dependability and security of the deployed network could be crucial to critical and life-saving tasks....
Provided by Karlstad University
-
White Papers
Broadband to Improve M-Content: How the Internet Improves Life in Emerging Markets
March 12, 2009, 12:00am PDT
What impact does the Internet have on everyday life in emerging markets? What effect does it have on people's ability to communicate, share information, conduct business, travel, learn and access...
Provided by Karlstad University
-
White Papers
Transport Protocol Performance Over 4G Links: Emulation Methodology and Results
July 5, 2006, 12:00am PDT
This paper presents a wireless link and network emulator for the "Wireless IP" 4G system proposal from Uppsala University and partners. In wireless fading downlinks (base to terminals) link-level...
Provided by Karlstad University
-
White Papers
FUZPAG: A Fuzzy-Controlled Packet Aggregation Scheme for Wireless Mesh Networks
April 21, 2010, 12:00am PDT
Wireless Mesh Networks (WMNs) are wireless multi-hop backhaul networks in which mesh routers relay traffic on behalf of clients or other routers. Due to large MAC layer overhead, applications such...
Provided by Karlstad University
-
White Papers
Minimizing DHT Routing Stretch in MANETs
April 24, 2009, 12:00am PDT
Since the appearance of Napster in early 1999, Peer-To-Peer (P2P) networks have experienced tremendous growth. The P2P architectures can be categorized into two main classes: unstructured and...
Provided by Karlstad University
-
White Papers
Minimizing DHT Routing Stretch in MANETs
April 24, 2009, 12:00am PDT
Since the appearance of Napster in early 1999, Peer-To-Peer (P2P) networks have experienced tremendous growth. The P2P architectures can be categorized into two main classes: unstructured and...
Provided by Karlstad University
-
White Papers
FUZPAG: A Fuzzy-Controlled Packet Aggregation Scheme for Wireless Mesh Networks
April 21, 2010, 12:00am PDT
Wireless Mesh Networks (WMNs) are wireless multi-hop backhaul networks in which mesh routers relay traffic on behalf of clients or other routers. Due to large MAC layer overhead, applications such...
Provided by Karlstad University
-
White Papers
Transport Protocol Performance Over 4G Links: Emulation Methodology and Results
July 5, 2006, 12:00am PDT
This paper presents a wireless link and network emulator for the "Wireless IP" 4G system proposal from Uppsala University and partners. In wireless fading downlinks (base to terminals) link-level...
Provided by Karlstad University
-
White Papers
Broadband to Improve M-Content: How the Internet Improves Life in Emerging Markets
March 12, 2009, 12:00am PDT
What impact does the Internet have on everyday life in emerging markets? What effect does it have on people's ability to communicate, share information, conduct business, travel, learn and access...
Provided by Karlstad University
-
White Papers
Toward a Formal Framework to Evaluate Wireless Sensor Network Security
March 12, 2009, 12:00am PDT
Wireless Sensor Networks (WSNs) are becoming widespread and pervasive, even in context where dependability and security of the deployed network could be crucial to critical and life-saving tasks....
Provided by Karlstad University
-
White Papers
Measuring the Impact of ACI in Cognitive Multi-Radio Mesh Networks
May 27, 2010, 12:00am PDT
In this paper, the authors address the impact of ACI on dynamic spectrum allocation in multi-radio systems. In particular, they present the benefits of dynamic spectrum allocation by adapting...
Provided by Karlstad University
-
White Papers
Peer-to-Peer Selection and Channel Assignment for Wireless Mesh Networks
November 30, 2010, 12:00am PST
Wireless mesh networks are an emerging paradigm for future broadband wireless access networks, with many application areas ranging from content distribution over community networking and providing...
Provided by Karlstad University
-
White Papers
Chameleon and the Identity-Anonymity Paradox: Anonymity in Mobile Ad Hoc Networks
July 2, 2006, 12:00am PDT
In this paper, the authors first present the identity-anonymity paradox, which explains why identities are needed to achieve reliable anonymity. Then, they introduce Chameleon, a novel anonymous...
Provided by Karlstad University
-
White Papers
Towards Anonymity in Mobile Ad Hoc Networks: The Chameleon Protocol and Its Anonymity Analysis
August 17, 2006, 12:00am PDT
This paper presents Chameleon, a novel anonymous overlay network for mobile ad hoc environments. As far the authors know Chameleon is the first low-latency anonymous overlay network applied in a...
Provided by Karlstad University
-
White Papers
Practical Considerations for Channel Assignment in Wireless Mesh Networks
August 27, 2010, 12:00am PDT
In multi-radio Wireless Mesh Networks (WMNs) several radios can operate within one node simultaneously on different channels. Due to frequency selective fading and varying output powers of WLAN...
Provided by Karlstad University
-
White Papers
VoIP Packet Aggregation based on Link Quality Metric for Multihop Wireless Mesh Networks
May 10, 2007, 12:00am PDT
Providing Voice over IP in WLAN based wireless meshed networks is an important service for the future wireless internet. However, the transmission of small (voice) packets imposes high overhead...
Provided by Karlstad University
-
White Papers
OpenFlow for Wireless Mesh Networks
March 7, 2011, 12:00am PST
Several protocols for routing and forwarding in Wireless Mesh Networks (WMN) have been proposed, such as AODV, OLSR or B.A.T.M.A.N. However, providing support for e.g. flowbased routing where...
Provided by Karlstad University
-
White Papers
Cognitive Multi-Radio Mesh Networks on ISM Bands: A Cross-Layer Architecture
October 7, 2010, 12:00am PDT
A Wireless Mesh Network (WMN) has been popularly researched as a wireless backbone for Internet access with off-the-shelf and inexpensive equipments. Nowadays, several applications like contents...
Provided by Karlstad University
-
White Papers
Urban-X: Towards Distributed Channel Assignment in Cognitive Multi-Radio Mesh Networksuting in Mobile Ad Hoc and Sensor Networks
September 17, 2010, 12:00am PDT
Researches about multi-radio mesh networks have mostly focused on channel allocation under internal interference. However, the deployment of WMNs in unlicensed bands of dense urban areas imposes...
Provided by Karlstad University
-
White Papers
Creating New Market Space Business Development And Relationship Building In New Ventures
August 18, 2008, 12:00am PDT
The rate of technological change and speed of technological diffusion are high in most industries. Structural changes and globalisation based on worldwide economic development are also adding to...
Provided by Karlstad University
-
White Papers
From The Seller's Offering To The Customer's Needing In A Business-To-Business Setting
August 18, 2008, 12:00am PDT
Views on industrial service have conceptually progressed from the output of the provider's production process to the result of an interaction process in which the customer also is involved. An...
Provided by Karlstad University
-
White Papers
Capacity Increase for Voice Over IP Traffic Through Packet Aggregation in Wireless Multihop Mesh Networks
August 24, 2007, 12:00am PDT
Recently, Voice over IP (VoIP) has become an important service for the future internet. However, for ubiquitous wireless VoIP services, greater coverage will be necessary as promised by the advent...
Provided by Karlstad University
-
White Papers
VoIP Service Performance Optimization in Pre-IEEE 802.11s Wireless Mesh Networks
March 7, 2008, 12:00am PST
802.11-based Wireless Mesh Networks are seen as a means for providing last mile connections to Next Generation Networks. Due to the low deployment cost and the mature technology used, they are...
Provided by Karlstad University
-
White Papers
Towards Secure SIP Signalling Service for VoIP Applications
May 4, 2009, 12:00am PDT
Current Voice over IP (VoIP) services are regarded less secure than the traditional Public Switched Telephone Network (PSTN). This is due to the fact that VoIP services are frequently deployed in...
Provided by Karlstad University
-
White Papers
Increasing SIP Firewall Performance by Ruleset Size Limitation
June 6, 2008, 12:00am PDT
To protect SIP communication networks from attacks, especially flooding attacks like Denial-of-Service or message spam, Intrusion Detection Systems (IDS) are deployed at the ingress point of the...
Provided by Karlstad University
-
White Papers
Cross-Layer Analysis of TCP Performance in a 4G System
August 31, 2007, 12:00am PDT
This paper presents results from an experimental study of TCP in a wireless 4G evaluation system. Test-bed results on transport layer performance are presented and analyzed in relation to several...
Provided by Karlstad University
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