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Understanding WAP Wireless Applications, Devices, and Services phần 10 pot

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See also Unified messaging Page 249 Encryption schemes, 151, 152 End-to-end security, 136 End users. See Users Enterprise resource planning (ERP), 206 Entertainment services, 173, 174 Event bindings, 84 defined, 84 global, 84, 87–88 temporary, 84, 87 Event handling, 84–88 illustrated, 86 procedure, 84–86 Events WML, 22–24 WTA, 79–80, 86–87 Extensible markup language (XML), 17, 35–36 features, 35–36 information store example, 36 intermediary presentation definition, 228–29 for n-tiered applications, 222 Financial WAP applications, 229–32 data entry minimization, 230–31 error handling, 231 security, 231–32 unified messaging, 230 Float library, 29 Form-based navigation, 56–57 Functions, WMLScript, 27 General packet radio service (GPRS), 236 Global event binding, 84, 87–88 GSM markets, 165–67 development curve, 166 development stages, 166 German, 167 See also Operators GSM modems, 208 GSM phones applications on SIM of, 214 SMS messages on, 212–13 USSD messages on, 213 High-speed circuit switched data (HSCSD), 236 Holistic approach, 48–49, 52 HTML, 117 content availability, 102 conversion to WML, 33–34 HTTP, 117, 124 headers, 37–38 push access protocol over, 125 Incoming-call handler service, 88–95 activating accept option, 94–95 activating forward option, 92–94 activation illustration, 93 call actions, 88 call detection, 88–89 first resource, 89–92 See also WTA services Infotainment services, 173 , 174 Input techniques, 53–56 Integer factorization problem (IFP), 149–50 Intelligent terminal transfer protocol (ITTP), 2 Interactive mail access protocol (IMAP4), 190 Interactive voice response (IVR), 217 Internet growth of, 15–16 information retrieval application, 7–8 operator-assisted, sites, 235 operators and, 182–83 security, 135 service providers (ISPs), 183 for WAP -based service selection/configuration, 235 Interoperability, 12 JavaScript, WMLScript conversion and, 34 Lang library, 29 Libraries network-common WTAI, 77–78 network-specific WTAI, 78–79 WMLScript, 29 Page 250 Libraries (continued) WTAI, 32–33, 75, 77–79 Man-machine interface (MMI), 99 Micro-billing, 185 Microbrowsers, 5 HTML-based, 214–15 illustrated, 215 in smart phones and PDAs, 214–15 types, 214–15 “Web clipped” based, 215 wireless markup language-based, 214 Mobile browsers, 210 Mobile channel handset requirements, 212 network costs, 211 previous constraints, 209–10 strengths/weaknesses, 210–12 Mobile devices, 212–16 applications on SIM of phone, 214 microbrowser in smart phones and PDAs, 214–15 resident applications on, 216 SMS messages on GSM phones, 212–13 USSD messages on GSM phones, 213 Mobile electronic commerce, 8 Mobile financial services, 207–36 existing, 216–20 introduction to, 207 mobile devices, 212–15 next generation of, 236 platform choices, 216, 217 possible, 232–34 sample sophisticated application, 234 users, 208–9 WAP applications, 223–26, 229–32 Mobile station integrated international service digital network (MSISDN), 113 MobilSmart, 218 Multichannel applications, 226–29 architecture illustration, 227 next generation platform, 229 stovepipe solution, 227 XML-based intermediary presentation, 228–29 See also Applications Navigation form-based, 56–57 models, 56–59 question-and-answer, 57–58 user control and, 58–59 See also User interface design; User interfaces Network bearer management, 130 Network -common WTAI, 77–78 access to, 71 call logs library, 77 defined, 75 functions, 78 miscellaneous library, 77–78 network text library, 77 phonebook library, 77 voice-call control library, 77 See also WTAI Network operators, 13 benefits, 9 challenges, 10–12 Network -specific WTAI, 78–79 access to, 71 defined, 75 GSM specific library, 78 IS -136 specific library, 79 PDC specific library, 79 See also WTAI Nonrepudiation, 147, 163 Notification applications, 8 Notification services, 199–201 defined, 199 technical flow, 200–201 user perspective steps, 199–200 WAP architecture illustration, 201 See also Unified messaging N-tier applications, 220–23 component-based server, 221 debugging/maintaining, 222 error handling and logging, 222 principles, 221–23 scalability, 222 – 23 Page 251 security, 223 self-installing client, 222 sourced from server, 221–22 topology illustration, 221 XML, 222 See also Applications Operators, 165–86 billing and, 185 customer requirements, 170–75 data service expectations of, 167 HSCSD/GPRS service introduction, 169 Internet access and, 182–83 natural role, 184–85 needs, 168–70 network, 10–13 perspective on WAP business models, 182–85 value creation, 185 WAP decision and, 170 WAP service success factors, 175–78 WMLScript, 26–27 Phone smart card, 211 Pocket Quicken, 220 Post office protocol (POP3), 190 Pricing decision, 175–76 Products, 12 Public-key cryptography, 148–51 authentication schemes, 151, 152 defined, 148 TEAMFLY Team-Fly ® digital certificates, 153 discrete logarithm problem, 150 elliptic curve discrete logarithm problem, 150–51 encryption schemes, 151, 152 infrastructures, 152–53 integer factorization problem, 149–50 keys, 148–49 security, 149 See also Cryptography Public WTAI, 32–33, 76–77 access to, 70–71 defined, 75–76 functions, 71, 76 make call, 26 send DTMF tones, 76–77 See also WTAI Push application behavior, 132 application dispatching, 131 architecture illustration, 122 defined, 118 framework, 121–34 mobile client behavior, 131–32 on the Web, 119 OTA protocol, 130–31 in wireless domain, 120 Push access protocol, 124–26 defined, 124 design, 124–25 features, 125 – 26 over HTTP, 125 Push initiators, 123–24, 125–26 defined, 123, 200 illustrated, 123 management, 129 Push proxy gateway, 122, 126–30 architecture, 126, 127 defined, 200 management functions, 129–30 protocol stack, 126 push proxy layer, 127–29 Push proxy layer, 127–29 addressing of multiple recipients, 129 address resolving, 128–29 client capabilities, 128 content transformation, 127 defined, 127 parsing of control information, 127 prioritization, 128 session management, 128 store-and-forward, 128 Push services, 37, 111, 117–40 examples, 140 implementing, 137–40 indication, 132–34 indication illustration, 133 integration, 140 introduction to, 117 – 18 [...]... Understanding Digital PCS: The TDMA Standard, Cameron Kelly Coursey Understanding GPS: Principles and Applications, Elliott D Kaplan, editor Understanding WAP: Wireless Applications, Devices, and Services, Marcel van der Heijden and Marcus Taylor, editors Universal Wireless Personal Communications, Ramjee Prasad Page 259 Wideband CDMA for Third Generation Mobile Communications, Tero Ojanper and Ramjee... services, 109 WDP layer, 105 WSP layer, 106 WTLS layer, 105 WTP layer, 105 – 6 WAP stack, 4– 7 content formats, 6 microbrowser, 5 schematic, 5 WAP gateway, 6– 7 WMLScript, 5– 6 WTA/WTAI, 6 Wireless application environment See WAE Wireless application protocol See WAP Wireless communication, 15– 16 Wireless datagram protocol (WDP) layer, 105 Page 255 Wireless markup language See WML Wireless markup language... Adrian Smith, and Charles A Jacobs Mobile Communications in the U.S and Europe: Regulation, Technology, and Markets, Michael Paetsch Mobile Data Communications Systems, Peter Wong andDavid Britland Mobile Telecommunications: Standards, Regulation, and Applications, Rudi Bekkers and Jan Smits Personal Wireless Communication With DECT and PWT, John Phillips and Gerard Mac Namee Practical Wireless Data... data, 108 controlling function, 110 conversion function, 6– 34 7, defined, 6, 97 AM FL Y distribution, 109 event managing function, 109 – 10 flexibility, 109 functional requirements, 103 – 13 high-level architecture of, 104 integrating, 97– 115 TE future enhancements, 113– 15 “ intelligence, 107 intelligence interfacing function, 108 interim proprietary solutions, 115 management functions, 107 – 110 8,... push services, 37, 117– 40 relevance evaluation, 178 security, 135, 156– 64 software tools, 39 success commitment, 12 telephony in, 65– 95 unified messaging and, 189– 90 WIM specification, 164 See also Services WAP -enabled mobile devices, 99 WAP Forum Ltd., 3, 12, 106 , 113 WAP gateway, 6– 122– 7, 23 billing data interface, 111– 12 caching of wireless content, 113 compiler and encoder functionality, 106 ... High-Speed Wireless ATM and LANs, Benny Bing An Introduction to GSM, Siegmund M Redl, Matthias K Weber, and Malcolm W Oliphant Introduction to Mobile Communications Engineering, JoséM Hernando and F Pé rez-Fontá n Page 258 Introduction to Radio Propagation for Fixed and Mobile Communications, John Doble Introduction to Wireless Local Loop, William Webb IS -136 TDMA Technology, Economics, and Services, ... notification services, 199– 201 phonebooks, address books, contact lists, 206 public folders, 205 self-provisioning with WAP, 202 service expansion, 191– 92 service provisioning and billing, 201– 2 task lists, 206 voice and fax message access, 192– 94 WAP access, 192– 202 WAP access illustration, 190 WAP and, 189– 90 Uniform resource identifiers (URIs) defined, 68 range of, 113 Unstructured supplementary services. .. Kopitz and Bev Marks Resource Allocation in Hierarchical Cellular Systems, Lauro Ortigoza-Guerrero and A Hamid Aghvami RF and Microwave Circuit Design for Wireless Communications, Lawrence E Larson, editor Signal Processing Applications in CDMA Communications, Hui Liu Spread Spectrum CDMA Systems for Wireless Communications, Savo G Glisic and Branka Vucetic Understanding Cellular Radio, William Webb Understanding. .. Saleh Faruque The Complete Wireless Communications Professional: A Guide for Engineers and Managers, William Webb GSM and Personal Communications Handbook, Siegmund M Redl, Matthias K Weber, and Malcolm W Oliphant GSM Networks: Protocols, Terminology, and Implementation, Gunnar Heine GSM System Engineering, Asha Mehrotra Handbook of Land-Mobile Radio System Coverage, Garry C Hess Handbook of Mobile Radio... offerings, 100 – 103 method proxy gateway, 122 monitoring of critical alarms, 111 new generation mobile networks, 114 overview, 97– 98 primary function, 98 product differentiation factors, 115 Team-Fly® protocol stack, 101 , 104 provisioning server, 114 push applications and, 111, 114 push proxy gateway, 122 scalability, 109 security, 114 subscriber data, 112– 13 use of, 35 value-added services, 109 WDP . See also Services WAP -enabled mobile devices, 99 WAP Forum Ltd., 3, 12, 106 , 113 WAP gateway, 6–7, 122–23 billing data interface, 111–12 caching of wireless content, 113 compiler and encoder. introduction to, 143–45 n-tier applications, 223 push services, 135–37 transaction-based services and, 185 transitive trust, 136–37 WAP, 135, 156–64 WAP gateway, 114 in wireless environment, 154–55. functionality, 106 configuration data, 108 controlling function, 110 conversion function, 6–7, 34 defined, 6, 97 distribution, 109 event managing function, 109 10 flexibility, 109 functional

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