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Indoor localization plays an important role for many applications especially robotics where the location of robot is necessary for the tasks of tracking and controlling. Among efforts proposed to address this problem, odometry-based localization is presented as an effective method with simple installation. This approach is based on the movement information of the robot wheels that are obtained by...
This paper introduces new bandwidth guaranteed routing algorithms using remaining path holding time. The idea is to combine residual bandwidths with future available band-widths which are calculated based on holding time of routing paths to select next routes. The proposed algorithms have low complexity because only link bandwidths are considered and no critical computation is needed. They are tested...
Stream Control Transmission Protocol (SCTP) is first designed by IETF as a reliable transport protocol to transport SS7 signaling messages over IP networks. But its advanced features which are not provided by TCP or UDP show that SCTP is able to support a wider range of applications than just for signaling transport. As with TCP, SCTP is a reliable transmission protocol with congestion control and...
Recently there has been an increasing market demand to provide metropolitan and longer-reach Ethernet connectivity. According to a Yankee Group estimate, in 2001 the market for virtual private network (VPN) services over traditional (ATM and Frame Relay) transports was three times larger than IP VPN services in 2000, although the IP (including Multiprotocol Label Switching [MPLS]) segment is growing...
After the great deployment and success of the Wireless Local Area Networks based on access points, which communicate by using wired links, the wireless world saw the birth of new technologies like Ad Hoc networks and Wireless Mesh Networks (WMN), which permit the flexibility, easy deployment and low cost. The first objective of these networks is to offer a seamless connectivity to mobile users. Nevertheless,...
A seamless handover scheme with low latency and low packet loss is important to maintain TCP performance of mobile users. Several solutions have been proposed such as hierarchical mobile IPv6 (HMIPv6), fast handover protocol for mobile IPv6 (FMIPv6), seamless handoff architecture for mobile IP (S-MIP), ..., however, the overall handover latency is still too high for time-sensitive services. This paper...
In this paper, we will survey and classify researching advanced routing algorithms that take advantages of MPLS (multiprotocol label switch) network to extent routing algorithms, supporting QoS (quality of service) services and traffic engineering and load balancing. We also consider some recent projects that are researching and working with advanced routing algorithms. This paper include 6 parts...
Mobile IP was produced by the IP Routing for Wireless/Mobile Hosts working group of the IETF, approved by the Internet Engineering Steering Group (IESG) in June 1996 and published as a proposed standard in November 1996. It gave solutions to solve problems that a mobility device obtains when moving from one link to another. The movement makes the network-prefix routing fail in delivering packets because...
The wireless network with its rapid development and wide use, will be the next investigation of researchers because there are many obstacles that must be passed to completely deploy it at present and on the future. This paper focuses on one part of the wireless field, that is, the interoperability between mobile IPv4 and mobile IPv6. For better QoS services and how the proposal can be applied for...
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