security in next generation mobile networks

... algorithm providing better performance to the multiinterface terminals in the integrated networks can be found in [18] 3.2.4 SIP and MIP Bing Update After sending UNA to the NAR for announcing its existence, ... overcome by introducing MIH The MIH provides intelligence to the link layer such as the link going down triggers to wake up FMIP 2.2 Related Work In [10, 11], some schemes of integrating SIP and ... and Networking about the networks in its cache The MIH Get Information request/response can be done much before the L2 trigger (i.e., MIH Link Going Down), unlike the original FMIP in which the...

Ngày tải lên: 21/06/2014, 11:20

... multicode interference, whereas increasing frequency domain spreading increases frequency diversity Thus a trade-off between reduction of multicode interference and increased frequency domain spreading ... algorithm, determines the time domain and frequency domain spreading factors so that the frequency domain spreading is maximized while keeping the intrauser multicode interference on time domain codes ... domain spreading is increased to reduce the intra user multicode interference On lines 10 to 14, the time domain spreading factor of any other calls using code C(l, k) as the time domain code is...

Ngày tải lên: 21/06/2014, 11:20

... for gaining insight into the performance of a MU-MIMO mobile broadband system Further, it is shown that the use of four transmit antennas per sector at the BS sites of next- generation mobile ... of downlink MU-MIMO for high-capacity next generation mobile broadband networks based on IEEE 802.16 m EURASIP Journal on Wireless Communications and Networking 2011 2011:63 Competing interests ... of MUMIMO-based transceivers in next- generation mobile broadband systems like IEEE 802.16 m The details of the MU-MIMO pairing process are described in Section 2.3 in conjunction with the overall...

Ngày tải lên: 21/06/2014, 01:20

... in MIPv6: Binding cache: Binding cache is maintained by HAs and CNs A binding cache is used to hold the binding for MNs If a node receives a BU destined for it, it will add the binding

Ngày tải lên: 26/11/2015, 12:30

... services, including real-time services, in the PS domain, including those that were previously only possible in the CS domain A CN based on 3GPP-R5 can contain a CS domain, PS domain, IMS on PS domain, ... missing from both the Internet and mobile networks Some Internet-type applications, such as e-mail and web browsing, have been realized in 2.5G and 3G mobile networks; however, current mobile networks ... for bearer independent CS domain Streaming media introduced Multimedia messaging 3GPP-R5 March– June 2002 Introduction of IMS; IPv6 introduced in the PS domain IP transport in UTRAN Introduction...

Ngày tải lên: 20/01/2014, 06:20

... employed with prominent security companies, including Internet Security Systems (ISS), where he directed marketing activities for product lines, generating more than $250 million in revenue Freddy ... Exploring IMS Network Security for NGN Carriers │ A Fortinet White Paper carrier administrator, ensuring that each module is running with the most updated security descriptions at any point in time ... Exploring IMS Network Security for NGN Carriers │ A Fortinet White Paper Figure 2: Increase in Cyber Threats to Wireless Networks One example as shown in Figure 2, illustrates the increasing prevalence...

Ngày tải lên: 05/03/2014, 23:20

... Advanced Indoor Hotspot Interacting Object Interference Overload Indication Internet Protocol Internet Protocol Security Incremental Redundancy Intelligent Ray Launching Incident Shadow Boundary Inter-Site ... version Integer Linear Programming International Mobile Equipment Identity IP Multimedia Subsystem International Mobile Subscriber Identity International Mobile Telecommunication International Mobile ... Effective Gain Media Gateway Master Information Block Mean Instantaneous Capacity Mutual Information Effective SINR Mapping Multiple Input Multiple Output Minimum Insertion Minimum Removal Mixed Integer...

Ngày tải lên: 23/03/2014, 15:20

... (parts) in security issues for distributed computing, grid computing, mobile computing, and pervasive computing • Part I: Security in Distributed Computing: Chapter by Bertino and Koglin reviews security ... practitioners in the field of security in distributed computing, grid computing, mobile computing, and pervasive computing The book contains 16 chapters from prominent researchers working in this area ... Engineering in Future Broadband and Wireless Networks in 2006; a (lead) guest editor for the International Journal of Security in Networks (IJSN) special issue on Security Issues in Sensor Networks ...

Ngày tải lên: 25/03/2014, 12:07

... Internet Architecture Board Inter Access Point Protocol Internet Control Message Protocol Interrogating Call State Control Function Integrity Check Value Internet Engineering Steering Group Internet ... Processor Mobile Station Mobile- services Switching Center Mobile Switching Center Mobile Subscriber Identification Number Mobile Subscriber ISDN Number Mobile Termination Mobile Terminal Message ... wireless networks to full IP-based mobile networks, and the evolution starts in the core networks The Internet Engineering Task Force (IETF) has been developing IP-based protocols for enabling the mobile...

Ngày tải lên: 03/06/2014, 01:45

... communications in future -generation wireless networks Norman Abramson1, Claudio Sacchi2, Boris Bellalta*3 and Alexey Vinel4 Department of Electrical Engineering, University of Hawaii, USA Information Engineering ... allocated [6] in the USA ALOHA channels were used in a limited way in the 1980s in 1G mobile phones for signaling and control purposes [7] In the 1990s, Matti Makkonen and others at Telecom Finland ... ALOHA channels in order to implement SMS message texting in 2G mobile phones In the early 2000s, additional ALOHA channels were added to 2.5G and 3G mobile phones with the widespread introduction...

Ngày tải lên: 21/06/2014, 17:20

... attacks in CWSNs As we shown in Section 1, CWSNs have special features that make security really interesting However, security in CWSNs needs to be more studied by scientific community In this ... wireless interfaces and integrate a myriad of nodes in the same network Providing security over such a network is equally challenging Security mechanisms must be scalable to very large networks ... network security Conclusions CWSNs are increasingly being used in military, environmental, health and commercial applications These networks are inherently different from traditional wireless networks...

Ngày tải lên: 21/06/2014, 17:20

... attacks in CWSNs As we shown in Section 1, CWSNs have special features that make security really interesting However, security in CWSNs needs to be more studied by scientific community In this ... wireless interfaces and integrate a myriad of nodes in the same network Providing security over such a network is equally challenging Security mechanisms must be scalable to very large networks ... network security Conclusions CWSNs are increasingly being used in military, environmental, health and commercial applications These networks are inherently different from traditional wireless networks...

Ngày tải lên: 21/06/2014, 23:20

... switching (dialing) and handover of the call built into the standard from the beginning Additionally, the NMT standard specified billing as well as national and international roaming In 1979 NTT introduced ... #1 Frame time uplink channel downlink channel uplink channel downlink channel Figure Structure of uplink and downlink channels in a TDMA TDD system In FDD the uplink and downlink sub-bands are ... personalized and mobile TV broadcasting service Mobile digital broadcast TV combines the two best-selling consumer products in history—TVs and mobile phones Mobile digital TV (DTV) is already becoming a...

Ngày tải lên: 27/06/2014, 09:20

... the Next Generation Evolution of Mobile Networks and Services 1.1 The Evolution of Mobile Networks 1.2 Trends in Mobile Services 1.3 Why Next- generation (XG) Mobile Systems? 1.4 Next- generation ... services, including real-time services, in the PS domain, including those that were previously only possible in the CS domain A CN based on 3GPP-R5 can contain a CS domain, PS domain, IMS on PS domain, ... the user terminal and applications Next- generation mobile network This refers to a subset of the Next- generation Mobile System” defined above The Next- generation Mobile Network includes the core...

Ngày tải lên: 27/06/2014, 14:20

... switching (dialing) and handover of the call built into the standard from the beginning Additionally, the NMT standard specified billing as well as national and international roaming In 1979 NTT introduced ... downloading information, exchanging email, and instant messaging) Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, 1–37 © 2007 Springer 2 ... normal Internet e-mail makes this service popular among the mobile Internet users Web Browsing: Although mobile browsing is not popular everywhere today, it is very likely that within next ten...

Ngày tải lên: 07/08/2014, 21:20

... #1 Frame time uplink channel downlink channel uplink channel downlink channel Figure Structure of uplink and downlink channels in a TDMA TDD system In FDD the uplink and downlink sub-bands are ... personalized and mobile TV broadcasting service Mobile digital broadcast TV combines the two best-selling consumer products in history—TVs and mobile phones Mobile digital TV (DTV) is already becoming a ... efforts to incorporate TDMA into UMTS failed, leaving UMTS as a purely CDMA technology, China still continue pursuing TD-SCDMA (time division synchronous CDMA) for the next generation mobile system...

Ngày tải lên: 07/08/2014, 21:20

... and 3rd generation (2G and 3G) wireless networks, including e-mailing, Web access, and on-line services ranging from bank transactions to entertainment The 3G wireless networks based on single-carrier ... networks will sooner or later be insufficient to cope with the increasing demands for broadband services, which is now in full force in fixed networks Demands for downloading of ever increasing ... Spreading Code 101 → Spreading Code 110 → Spreading Code 111 → Spreading Code 1 Spr Code ∫ Spr Code ∫ Decision Block Spreading Code Spreading Code Spreading Code Spreading Code Spreading Code...

Ngày tải lên: 07/08/2014, 21:20

... channel gain and the noise component after performing FDE, respectively As the FDE weight, 90 CHAPTER maximal ratio combining (MRC), zero forcing (ZF), equal gain combining (EGC) and minimum mean ... encoding of Table can be replaced by equivalent time-domain STTD encoding of Table Equivalent time-domain STTD encoding is illustrated in Table Frequency-domain STTD encoding for Nt = Time (in ... OF SINGLE-CARRIER CDMA TECHNOLOGIES Time-domain spreading Conversion to freq.-domain spread signal #0 c(t) Data Channel coding & interleaving Data modulation 87 S/P (a) Transmitter IFFT Insertion...

Ngày tải lên: 07/08/2014, 21:20

... multiuser detection in uplink and an orthogonality restoring combining (ORC), an MMSE combining, a maximum ratio combining (MRC) and an equal gain combining (EGC) in downlink for MC-CDMA The bit ... serial interference cancellation in uplink and a rake combining in downlink for MC-DS/CDMA whereas a decorrelating multiuser detection and a minimum mean square error (MMSE) multiuser detection in ... 1p · · · zk JM p Now, we introduce four combining methods, all of which are categorized into singleuser detection The first method is obtained by solving the following minimization problem of the...

Ngày tải lên: 07/08/2014, 21:20