Media-Independent Handover Technology Overview

Media-independent handover technology is designed to seamlessly transfer a user's connection from one network to another without disrupting their service.

This technology is particularly useful in environments where users are constantly moving between different networks, such as in public spaces or when traveling.

One of the key benefits of media-independent handover technology is its ability to work across different types of networks, including wireless and wired connections.

It does this by using a standardized set of protocols to communicate with the networks and ensure a smooth transition.

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MIH is a communication protocol used in wireless networks to enable the seamless handover of network resources from one network to another without disrupting the communication flow. This is essential for future wireless networks as it enables devices to switch between different wireless networks seamlessly.

The MIH protocol provides a framework for communication between different wireless networks, working independently of the wireless technology used in the networks. This is known as "media independent" handover.

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The MIH protocol consists of two main components: the MIH function and the MIH user. The MIH function is responsible for providing network information to the MIH user, collecting and processing network information such as network availability, network load, and network quality of service (QoS).

The MIH user is responsible for making the handover decision based on the information provided by the MIH function. The MIH user uses the network information to decide when to initiate a handover between different wireless networks.

MIH supports two types of handover: vertical handover and horizontal handover. Vertical handover involves switching between networks that operate on different wireless technologies, such as switching from a Wi-Fi network to a cellular network. Horizontal handover, on the other hand, involves switching between networks that operate on the same wireless technology, such as switching between different Wi-Fi networks.

Here are the main components of the MIH protocol:

The MIH protocol is designed to work independently of the wireless technology used in networks, which is why it's called "media independent." This means it can communicate with different wireless networks without any issues.

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The MIH protocol consists of two main components: the MIH function and the MIH user. The MIH function is implemented at the network layer, responsible for collecting and processing network information like network availability, load, and quality of service (QoS).

The MIH function communicates with the MIH user through a standardized interface called the MIH service access point (MIH-SAP). This interface is crucial for the MIH protocol to work smoothly.

The MIH user is responsible for making handover decisions based on the information provided by the MIH function. It's implemented at the application layer and uses the network information to decide when to initiate a handover between different wireless networks.

The MIH protocol supports two types of handover: vertical and horizontal handover. Vertical handover involves switching between networks that operate on different wireless technologies, while horizontal handover involves switching between networks that operate on the same wireless technology.

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Media-independent handover (MIH) offers several benefits to wireless networks, including seamless handover between different wireless networks, ensuring that ongoing communication is not disrupted.

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MIH enables devices to select the network with the best connectivity and QoS based on predefined parameters, such as network availability and load.

Efficient network utilization is ensured by MIH, which enables devices to switch to the most suitable network based on the available resources.

Improved user experience is also a result of MIH, which ensures that devices remain connected to the network with the best connectivity and QoS.

Reducing network congestion is another benefit of MIH, which enables devices to switch to less congested networks.

However, MIH also poses some challenges, including interoperability issues between different wireless networks.

Standardization is also a challenge for MIH, as it requires standardization to ensure seamless communication between different devices and networks.

Security is another concern for MIH, as it requires security mechanisms to prevent unauthorized access to handover information.

Scalability is also a challenge for MIH, as it needs to be able to support the increasing number of devices and networks in wireless networks.

MIH is a complex protocol that requires specialized knowledge and expertise to implement and maintain, which can be a challenge for some networks.

Here are the benefits and challenges of MIH in a concise list:

Challenges:

Media-independent handover (MIH) has numerous applications in various fields. One of its key uses is in mobile networks, where it enables seamless handover between different cellular networks and Wi-Fi networks.

MIH is also used in smart home applications to allow devices to switch between different wireless networks, such as Wi-Fi and Zigbee, without any interruptions.

In industrial automation, MIH is used to enable devices to switch between different wireless networks, such as Wi-Fi and Bluetooth, based on the network availability and quality of service.

MIH is also used in autonomous vehicles to enable seamless handover between different cellular networks and Wi-Fi networks as the vehicle moves from one coverage area to another.

Here are some of the key applications of MIH:

The IEEE 802.21 standard is a significant development in the field of media-independent handover. It was approved as a full IEEE WG on February 27th.

The standard has been meeting as an ECSG for 1 year, indicating its growing importance. The IEEE 802.21 WG has 28 voting members as of the November 2011 meeting.

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The standard has several key components, including Event Services and Command Services for Media Independent Handover. This is evident from the presentation prepared by Srini Sreemanthula and presented by Greg Daley.

The IEEE 802.21 standard is designed to facilitate seamless handovers between different networks. This is a critical aspect of media-independent handover, enabling devices to switch between networks without interruption.

The standard has been discussed in various meetings, including the 8/29/2012 802.21c interim document discussion. This meeting highlighted the importance of IE requirements for media-independent handover.

The IEEE 802.21 standard has several potential applications, including vertical handover strategies. This is evident from the presentation on Potential Media Independent Services by Bulbul Ahamed and others.

The standard is still evolving, with new developments and improvements being made regularly. This is evident from the presentation on 802.21 L2 Services for Handover Optimization by David Johnston.

The IEEE 802.21 standard has been presented at various IEEE plenary meetings, including the Joint Opening Plenary IEEE 802.21 Media Independent Handover Services Session #47 Atlanta. This meeting was chaired by Subir Das.

The standard has several benefits, including improved network performance and reduced latency. This is a critical aspect of media-independent handover, enabling devices to switch between networks quickly and efficiently.

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Several researchers have proposed enhanced media independent handover (MIH) protocols to improve the performance of vertical handovers in heterogeneous wireless networks. For instance, Ameur et al. proposed an enhanced MIH protocol for collaborative green wireless communications in 2015.

The performance of MIH protocols has been evaluated using various metrics, including throughput, delay, and packet loss. Griffith et al. proposed performance metrics for IEEE 802.21 MIH signaling in 2008.

Several studies have focused on the energy efficiency of MIH protocols. S. et al. proposed an energy-efficient MIH-based independent and heterogeneous vertical handover algorithm in 2018.

The use of MIH protocols has been explored in various wireless networks, including 4G networks. Manjaiah and Payaswini discussed the design issues of 4G-network mobility management in 2016.

Several researchers have proposed MIH-based frameworks for vertical handover decision making in mobile ad-hoc networks (MANETs). Singh et al. proposed an enhanced media independent handover for vertical handover decision in MANET in 2020.

The optimization of MIH protocols has been a topic of interest in recent years. Gueziz and Korichi proposed a handover optimization based on media independent handover in new networks in 2016.

Popovici et al. proposed a new development in vertical handover based on media independent handover standard in 2014.

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