Other Telecommunications Books From Auerbach

Architecting the Telecommunication Evolution Toward Converged Network Services Vijay K. Gurbani and Xian-He Sun ISBN 0-8493-9567-4 Business Strategies for the Next-Generation Network Chaos Applications in Telecommunications Peter Stavroulakis ISBN 0-8493-3832-8 Security in Distributed, Grid, Mobile, and Pervasive Computing TCP Performance over UMTS-HSDPA Systems Mohamad Assaad and Djamal Zeghlache ISBN 0-8493-6838-3 Testing Integrated QoS of VoIP Packets to Perceptual Voice Quality...

Service Classification And Differentiated QoS

Diversification of personal communication systems (PCS) and gradual penetration of wireless Internet have generated the need for differentiated services. The set of clients (customers) in the wireless PCS networks is generally classified into different X I 1 Highest Priority Gold User (Blackberry) X I 1 Highest Priority Gold User (Blackberry) FIGURE 1.14 Different categories of users. FIGURE 1.14 Different categories of users. categories based on their importance. Activities of the customers...

Disadvantages Push And Pull Systems

Obeying nature's rule that nothing is prefect, neither push nor pull alone can obtain the best-case performance. Both push and pull scheduling schemes have their own advantages and disadvantages. Push-based algorithms suffer when the number of data items in the system is large because then the broadcast cycle is long too, and hence the expected access time of the system is also large. For less-demanded items, average access time could be as high as half of the length of the broadcast cycle. A...