ip for 4g

... applications aiming at the 4G systems. Therefore, we decided to write a book on multicarrier techniques for 4G mobile communications systems. xv xvi Multicarrier Techniques for 4G Mobile Communications Figure ... a 4G standard. This book presents multicarrier techniques, including OFDM, and we believe that readers can easily understand the reason why it is suited for 4G 8 Mult...

Ngày tải lên: 26/04/2013, 09:50

... over IP for the Cisco 3600 Series VC-13 Configuring Voice over IP for the Cisco 3600 Series This chapter shows you how to configure Voice over IP (VoIP) on the Cisco 3600 series. For a description ... time. 10353 IP cloud Destination Source Call leg for POTS dial peer 1 Source router Call leg for VoIP dial peer 2 10354 IP cloud Destination router Call leg for POTS dial pe...

Ngày tải lên: 22/10/2013, 09:15

... &apos ;IP for 3G' could - or should - develop. Overall, our end vision is for a network that obeys the IP design principles, uses IP protocols, and where the radio base stations are also IP ... motivation for why we believe that IP for 3G is important. The reasons fall into two categories: • Engineering - Essentially about why IP& apos;s design principles are a goo...

Ngày tải lên: 27/10/2013, 17:15

... for a network that obeys the IP design principles, uses IP protocols, and where the radio base stations are also IP routers. We call this an ‘all -IP or 4G network. However, ‘all -IP and 4G ... motivation for why we believe that IP for 3G is important. The reasons fall into two categories: † Engineering – Essentially about why IP s design principles are a good thing, focusing...

Ngày tải lên: 24/12/2013, 09:17

... applications aiming at the 4G systems. Therefore, we decided to write a book on multicarrier techniques for 4G mobile communications systems. xv xvi Multicarrier Techniques for 4G Mobile Communications Figure ... a 4G standard. This book presents multicarrier techniques, including OFDM, and we believe that readers can easily understand the reason why it is suited for 4G 8 Mult...

Ngày tải lên: 20/01/2014, 23:20

... 31 Principle and History of MCM/OFDM Figure 3.2 Comparison of transmitted waveforms: (a) Baseband serial data transmission system; and (b) OFDM system. 22 Multicarrier Techniques for 4G Mobile ... Rayleigh distribution for each envelope and a uniform distribution for each phase. In Figure 2.5(a), there are a fixed number of paths with equidistant delays and the average received powers...

Ngày tải lên: 20/01/2014, 23:20

... responsible for operation and maintenance (monitoring, performance data, alarms, and so forth) within the RNS. † SGSN – The SGSN is responsible for session management, producing charging information, ... paths for them are handled by the SGSN. † GGSN – A GGSN is rather like an IP gateway and border router – it contains a firewall, has methods of allocating IP addresses, and can forwa...

Ngày tải lên: 21/01/2014, 15:20

... current problems of IP, the shortage of IP addresses, and finally a discussion on IPv6, the next generation of IP. The IP Packet Header The current version of IP is IPv4. The IPv4 packet header ... group theme area on subIP was formed in 2001. A well-defined interface to the link layer functionality would be very useful for future wireless networks. Indeed, such an IP to Wireless (...

Ngày tải lên: 21/01/2014, 15:20

... Schulzrinne H, Interworking Between SIP/SDPand H.323. Proceed- ings of the 1st IP- Telephony Workshop (IPTel2000), April 2000. Dalgic, Fang, Comparision of H.323 and SIP for IP telephony signalling, Proceedings ... DNS), but the SIP server would return a list of IP addresses to User A, who could then re-issue the SIP INVITE direct to User B’s terminals. 4.5.3 Characteristics of SIP †...

Ngày tải lên: 21/01/2014, 15:20

... handovers is Mobile IP. Mobile IP has been developed over several years at the IETF, initially for IPv4 and now for IPv6 as well. Mobile IP is the nearest thing to an agreed standard in IP- mobility. ... CoA with the SIP server. Another option is for macromobility to be supported by mobile IP for long-lived TCP connections (e.g. FTP), and by SIP for real-time sessions. MOBIL...

Ngày tải lên: 21/01/2014, 15:20