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Over recent years, Cognitive Radio (CR) network has been extensively investigated to improve spectrum utilization and satisfy the demand of bandwidth for multimedia services such as video transmission. The size of video stream requires a large volume of network resource and becoming a challenging problem to maintain or improve the quality performance of video transmission. Multiple Description Coding (MDC) is one of the promising methods used to improve the error resilient in video transmission. Each description generated from MDC provides a low but acceptable video quality and could be enhanced into a higher quality if both are received at the receiver. The objective of this paper is to investigate the performance of video transmission in CR system using joint design of MDC method with H.264/AVC coding technique. The video performance was evaluated in three different channels; error free, random erroneous and CR channel. The simulation results show that the proposed MDC design improved the video quality performance by 3.33 % compared to the conventional Single Description Coding (SDC).

Space Time Trellis Code (STTC) encoding and decoding techniques are effective for delivery of a reliable information because of the signal to noise ratio is very small. Even though the Viterbi algorithm is complicated to be designed, these methods typically used large memory space to store the information that have been processed mainly at the Path Metric Updater (PMU). Therefore, an effective memory management technique is one of the key factors in designing the STTC Viterbi decoder for low power consumption applications. This paper proposed the PMU memory reduction technique especially on Traceback activities that usually required a lot of memories for storing the data that has been processed in the past part by using Altera Quartus 2 and 0.18 µm Altera CPLD 5M570ZF256C5 as targeted hardware. Through this method, the reduction achieved at least 66% of memory requirements and 75% improvements in processing time without a significant effects on the outputs results of the STTC Viterbi Decoder for 4-PSK modulation technique by using 50MHz clocks.

There are more and more vehicles on the road in every country, which have to be parked in spaces that are becoming increasingly packed. This is a big challenge especially for city planners, architects, and building owners. To meet this demand, the innovative and space saving-parking system is created. This is the new way of technology that can be applied to all users and it is more efficient than the previous parking systems. All buildings including hospitals, government building, shopping complex can access and apply this technology. This paper proposed a program that combined with the iOS system and connected through wireless connection. In addition, it will be connected to the mobile phones using this technology. Before the data can be displayed, the mobile phone has to be installed with BLINK's application that can be downloaded from the apple store. After this application is installed, then apps will show the available parking slot in the specific parking area. Any parking spaces can be assessed anywhere and anytime as long as users have internet connection to their smartphones. This paper proposed to develop the iOS apps that can show and update the parking spaces that are available and the hardware is designed by using ESPresso Lite 2.0 board.

Today, Internet of Things technology is preferred compared to manual systems. With the rapid increases in the number of users of Internet over the past decade, this situation has made Internet a part and way of life. Internet of Things, IoT is the latest and emerging internet technology. Internet of Things is known as a growing network of everyday activities from industrial machine to consumer's goods that can share information and complete tasks while everyone is busy with other activities. Electrical appliances control by using IoT technology is a system that uses computers or mobile devices to control basic home functions and automatic features. It is meant to save the electric power and human energy to control electrical appliances operations. Electrical appliances control system by using IoT systems differs from other systems by allowing users to operate the systems from anywhere around the world through internet connection. In this paper, the project uses Blynk application that employs the integration of cloud networking and wireless communication by providing the user with remote control of various electrical appliances such as lights, fans, and air conditioner in the house.