Nokiaメーカー3G 0800 015 0286の使用説明書/サービス説明書
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WESTLAKE COMMUNICATIONS 3G Terminology Your Guide to 3G 0800 015 0286 www.westlakecom.com.
CONTENTS Making Mobile Multimedia a reality 4 3G T erminals 5 3G Networks 8 1G,2G,3G 12 3G Harmonisation, 3G.IP , 3GPP 13 3GPP 2, 3GPP Release 99, MC, AMPS 14 AMR, ANSI, ARIB 15 A TM, Bearer , Bluetooth, BTS 16 CDMA, cdmaOne/lS-95, CIF , Circuit switched service .
MAKING MOBILE MUL TIMEDIA A REALITY With mobile communications and the Internet coming ever closer together , the world is quickly evolving towards the Mobile Information Society . In the very near future, most personal communications - phone calls, images and multimedia messaging - will be mobile.
MOBILE INTERNET 3G migration to high-speed, packet-based data creates the conditions for the mobile and Internet worlds to converge, providing mobile users with new opportunities to access Internet-based services and applications.
3G NETWORKS Be the first with the first The Nokia 3G system is a world-class combination of network technologies, products, operational support systems, and competent local people.
1-3 1G 1st Generation Mobile T elecommunications. First generation systems are analog and were designed for voice transfer . AMPS, NMT , T ACS, etc are included among first generation systems.
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3-A 3GPP 3rd Generation Partnership Project. 3GPP’ s organisational partners have agreed to cooperate in the formulation of technical specifications for a third generation mobile system based on further evolved GSM core networks and radio access technologies.
A-C ARIB Association of Radio Industries and Businesses. An incorporated body designated by the Ministry of Posts and Communication of the Japanese government to pursue effective radio utilisation in the radio communication and broadcast sector .
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CIF Common Intermediate Format. CIF is a video image format using 352 horizontal pixels and 288 vertical lines. The format is adopted in multimedia communication standards.
D-G DIGIT AL CASH Generic term for new types of electronic currency being used over the Internet. Digital cash makes possible transactions between two parties through electronic communication only , thereby bypassing the need to actually exchange true money .
GPS The Global Positioning System is a worldwide radio-navigation system that was developed by the US. Department of Defence. In addition to military purposes it is widely used in marine and terrestrial navigation (for example car navigation systems).
H H.324M The H.324 recommendation was formulated by ITU in 1995. It is an umbrella recommendation that defines multimedia communication algorithms and protocols for Public Switched T elephony Networks. The recommendation has been extended (H.324M) for use in mobile circuit-switched networks as well.
IMAP4 Internet Messaging Access Protocol. IMAP is a remote mailbox access protocol. It enables efficient operation such as downloading only essential data by first acquisitioning the e-mail header prior to actual e-mail download. This feature makes the protocol well suited to remote environments.
I IP Internet Protocol. A communication protocol commonly utilised by communication hardware comprising the Internet IPV6 Internet Protocol version 6. lPv6 is the latest IP version. Address exhaustion is prevented by means of a long address field, thereby enabling further Internet expansion.
ITU International T elecommunications Union. ITU is a UN affiliated body engaged in standardisation relevant to international telecommunications. It includes two standardising divisions, i.e. ITU-T (standardisation for modems, ISDN, network interfaces for communication system operators, etc.
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JA V A Programming language developed by Sun Microsystems. Some versions of Java are likely to be used in the creation of wireless services. Java is primarily characterised by the fact that programs written in the language do not rely on an operating system.
M-P MMS Multimedia Messaging Service is a new standard that is being defined for use in advanced wireless terminals. The service concept is derived from Short Message Service and allows for non-real-time transmission of various kinds of multimedia contents like images, audio, video clips, etc.
P-Q PDC Personal Digital Communications. A digital cellular standard presently being used in Japan. T o avoid the previous problem of lack of compatibility between the differing types of earlier analog mobile phones in Japan (i.e. NTT type and US developed T ACS type), digital mobile phones have been standardised under PDC.
Q-S QOS Quality of Service. QoS indicates user perception of a particular service and is defined in terms of a range of technical parameters including delay , jitter , reliability , etc. Under the OSI reference model stipulated by ISO, QoS is considered to be controlled at the network layer (third layer).
S-T SMS Short Message Service is a text message communication service prescribed by the European T elecommunications Standards Institute. A single ‘short message can contain text up to a maximum of 160 characters, and can be promptly transmitted provided the receiving terminal is “on” and within the mobile network transmission range.
C-E TD/CDMA Time DivisioneCode Division Multiple Access. TDD Time Division Duplex. Radio technology using an unpaired spectrum. UTMS also includes a band for TDD mode traffic. PHS and DECT incorporate TDD. TDMA Time Division Multiple Access. Used in current mobile phones (PDC).
USIM Universal Subscriber Identity Module (Universal SIM). An upgrade of the SIM card (generally used under GSM) to enable use with IMT -2000. US-TDMA/1S 36 A second generation system used in the US. Also referred to as D-AMPS (Digital AMPS). First digital system adopted in the US and covers the entire country .
W WA P Wireless Application Protocol. W ireless Application Protocol is the de facto worldwide standard for providing Internet communications and advanced telephony services on digital mobile phones, pagers, digital assistants and other wireless terminals.
X-V XML The Extensible Markup Language (XML) is a format for structured documents and data. It was developed by the W orld W ide W eb Consortium (W3C). XML is a meta-language, i.e. content is not directly encoded in XML but in a specific markup language defined using XML It corresponds to the successor language for the current HTML.
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