With the rapid development of wireless communication technology and the people’s increasing demands for wireless applications, higher speed, better reliability and wider usage have become important indicators of next generation of wireless communication networks. The outdating core network architecture of wireless communication network is gradually becoming the main obstacle of reaching higher speed and reliability.
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With the rapid development of wireless communication technology and the people’s increasing demands for wireless applications, higher speed, better reliability and wider usage have become important indicators of next generation of wireless communication networks. The outdating core network architecture of wireless communication network is gradually becoming the main obstacle of reaching higher speed and reliability.
(Read More…)
With the rapid development of wireless communication technology and the people’s increasing demands for wireless applications, higher speed, better reliability and wider usage have become important indicators of next generation of wireless communication networks. The outdating core network architecture of wireless communication network is gradually becoming the main obstacle of reaching higher speed and reliability.
(Read More…)
It has provided a solution to improve the system performance of anti-fading, channel capacity and spectrum utilization by combaining cooperative transmission and cognitive radio. This paper emphatically focuses on the network code technology for cooperative nodes in order to improve system reliability, and discuss optimal power allocation and cooperative strategy in cognitive radio networks.First, by
(Read More…)
It has provided a solution to improve the system performance of anti-fading, channel capacity and spectrum utilization by combaining cooperative transmission and cognitive radio. This paper emphatically focuses on the network code technology for cooperative nodes in order to improve system reliability, and discuss optimal power allocation and cooperative strategy in cognitive radio networks.First, by
(Read More…)
It has provided a solution to improve the system performance of anti-fading, channel capacity and spectrum utilization by combaining cooperative transmission and cognitive radio. This paper emphatically focuses on the network code technology for cooperative nodes in order to improve system reliability, and discuss optimal power allocation and cooperative strategy in cognitive radio networks.First, by
(Read More…)
Nowadays, with the development of high data transmission service such as Internet and multimedia, the demands for high speed wireless access have been rapidly increasing. However, high speed communication has two severe challenges in wireless communication environment: one is how to improve the bandwidth efficiency of limited radio spectrum; and the other is how to
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With the progress of multimedia, networks and computer technologies, streaming service is getting increasingly popular and has become one of the most important applications over the Internet. Streaming media has large amount of data, high real-time request and strict QoS guarantee, therefore the traditional Internet service faces great challenges. Because of good scalability, low-cost and
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It is believed that the wireless sensor networks will be utilized extensively in the future. Cross layer design technique which jointly optimize several layers of protocol stack could improve network performance significantly.The gist of this thesis focuses on the energy efficiency of cross layer optimization in wireless sensor networks. Primarily, cross layer optimization of cooperative
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As the guideline and technology standards for future mobile communication system, the candidate radio interface technologies (RITs) of IMT-Advanced system are trending towards the technologies of multiple carries, multiple antennas as well as the cooperative transmission. To assure the effective evaluation for candidate RITs in IMT-Advanced system, the propagation characteristics of radio channels in the
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