Interleave division multiple access

Wireless communications is the fastest growing sector of the telecommunications industry. The market of wireless communications is undergoing explosive growth. Wireless cellular communication systems evolved from the first-generation of analogue stage to the second-generation (2G) of digital stage, and now are stepping into the third-generation (3G) and fourth-generation (4G) of broadband stage. The services have [...]

Reliable multicast over wireless ad-hoc network

IEEE 802.11 is the de facto standard for wireless communications. According to the 802.1 1 medium access control protocol, multicast frames are transmitted over ad hoc networks without virtual channel reservation. Hence, multicast communications in ad hoc networks suffer from the hidden terminal problem, and may have low delivery ratio. Feedback implosion is another issue [...]

Nomadic Computing – Security assessment of remote access to workplace systems

Nomadic computing is about communication on an anytime anywhere basis. Security in this area is today not high enough and at the same time nomadic computing is increasing.In this thesis, security in the area of nomadic computing and remote access to company systems is assessed. The purpose is to investigate the security in this area [...]

Code generation for devices: how much is possible to generate and is it time saving?

Explizit is a consult company that offers the customer development of software for everything between big systems to individual products. They usually take responsibility for everything in the projects. That includes project management and development, because then the projects can be executed in their own computer environment. They have lots of experience around wireless communication, [...]

Coded Cooperative Communications

Wireless communication has been evolving and growing rapidly during the last few years. In order to meet the demand of this growth researchers as well as industry have been working for new techniques and new standardizations. Usually wireless communications performance is badly affected by channel fading. Diversity technique is used to reduce the impact of [...]