... System 15 Third-Generation (3G) Wireless Technology 16 3G Requirements 18 Evolution to 3G Systems 21 Summary 23 References 25 Chapter 2 Propagation Characteristics of a Mobile Radio Channel 27 Large-Scale ... most important features of 3G. Because of the many advantages that it offers, the CDMA technology forms the basis of 3G systems. References [1] W.R. Young, “Advanced Mobile Phone Service: Introduction, Background, ... Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] 262 Network Evolution 264 First-Generation Network 264 Second-Generation Networks 266 2Gϩ Networks 268 3G Network...
Ngày tải lên: 02/03/2013, 16:58
... marketing cho dịch vụ GTGT Mobile Internet của Mobifone 3G 3.1 Dự đoạn nhu cầu phát triển của dịch vụ Mobile internet trong năm tới 3.1.1. Nhu cầu sử dụng dịch vụ Mobile Internet trong thời gian ... sử dụng dịch vụ Mobile Internet trong thời gian tới 43 3.1.2 Xu thế phát triển của thông tin liên lạc và Mobile Internet 43 3.2 Một số giải pháp marketing để phát triển dịch vụ Mobile Internet ... 24 2.3.4 Chương trình Marketing-mix của dịch vụ Mobile Internet 29 Chương 3: Giải pháp Marketing cho dịch vụ GTGT 43 Mobile Internet của Mobifone 3G. 43 3.1 Dự đoán xu thế phát triển của dịch vụ...
Ngày tải lên: 22/10/2013, 14:20
IP for 3G - Networking Technologies for Mobile Communications
... standards arena. • 3GPP - In December 1998, a group of five standards development organisations agreed to create the Third Generation Partnership Project (3GPP - www.3gpp.org). These partners were: ... bring. 3GPP standards can be found on the 3GPP website - www.3GPP.org - and now completely specify the components and the interfaces between them that constitute a UMTS system. • 3GPP2 - 3GPP2 ... Reasons for 'IP for 3G& apos; As already indicated, IP for 3G is about reducing costs. There is nothing that IP for 3G will enable that cannot already be done in 3G - at a price. IP is just...
Ngày tải lên: 27/10/2013, 17:15
Tài liệu W-CDMA and cdma2000 for 3G Mobile Networks pdf
... aspects of 3G mobile communi- cations. They developed algorithms and air interfaces, performed simulation, built prototypes, and conducted field tests to verify their validity. 3G partnership ... received by a mobile antenna in and around Tokyo in the frequency band from 200 MHz to 1,920 MHz using different base station and mobile antenna heights. Black and Reudink [19] studied the mobile radio ... authors indicate that the signal strength received by a mobile would depend 31 Propagation Characteristics of a Mobile Radio Channel Base Station Antenna Mobile Antenn a Direct Ray Reflected Ray r h t h r Figure...
Ngày tải lên: 23/12/2013, 01:17
Tài liệu Mobile TV: DVB-H, DMB, 3G Systems and Rich Media Applications doc
... Different about Mobile TV? 7 1.5 Standards for Mobile TV 8 1.6 Resources for Delivering Mobile TV 9 1.7 The Mobile TV Community 10 1.8 New Growth Areas for Mobile TV 10 1.9 Is Mobile TV Really ... 207 6.10 Mobile TV Services Based on CDMA Networks 209 6.11 Wi-Fi Mobile TV Delivery Extensions 214 6.12 Broadcasting to 3GPP Networks 214 6.13 A Typical 3GPP Headend for Mobile TV 216 Chapter 7: Mobile ... standardized by the 3GPP and 3GPP2 for use on mobile networks. Graphics and animation in the mobile environment are also briefly covered. Chapter 4 provides an overview of cellular mobile networks...
Ngày tải lên: 23/12/2013, 04:17
Tài liệu Next Generation Mobile Systems 3G and Beyond doc
... review of the main 3G architectures, those developed or proposed by the industry for the 3rd Generation Partnership Project (3GPP), 3rd Generation Partnership Project-2 (3GPP2), and Mobile Wireless ... projected increase in the number of mobile users accessing the Internet from a mobile device. Owing to the massive popularity of mobile Internet access realized by mobile services, the three major ... leap implemented by 3G networks that differentiates them from 2G networks is also the Internet service connection. In this sense, it could be argued that 2.5G mobile networks and 3G mobile networks...
Ngày tải lên: 20/01/2014, 06:20
Nghiên cứu, xây dựng hệ thống mobile payment trên 3g
... cho hệ thống Mobile Payment trên 3G Chương 3: Đề xuất xây dựng hệ thống Mobile Payment trên 3G. Kết luận CHƯƠNG 1: TỔNG QUAN VỀ MOBILE PAYMENT 1.1. Giới thiệu về hệ thống Mobile Payment ... bảo mật mạng 3G và bảo mật cho Hệ thống thanh toán di động trên 3G. Về phương pháp nghiên cứu sẽ tập trung tìm hiểu một số giải pháp công nghệ về bảo mật mạng 3G và bảo mật hệ thống Mobile Payment ... thanh toán di động trên 3G. Phần sau đây sẽ trình bày mô hình thanh toán di động trên 3G tác giả đề xuất cho Tiết kiệm Bưu điện. 3.2. Đề xuất mô hình Mobile Payment trên 3G cho Tiết kiệm Bưu điện...
Ngày tải lên: 17/02/2014, 09:38
Tài liệu Broadband Wireless Mobile: 3G and Beyond doc
... of the 3G partnership as a multilateral collaboration among SDOs, aiming to facilitate the development of global technical specifications for 3G mobile systems as an evolution of the present mobile ... is still focused on the mobile business (called 4G Mobile) . Meanwhile, W-LAN may become part of the mobile communications since each W-LAN base station can act as the mobile wireless router in ... changes too fast. When I first talked on 3Gwireless in 1995, only a few people attended my seminar. Now everyone is talking about ‘ 3G ’, ‘‘Beyond 3G ’ and 4G Mobile. My invited speech in Stanford...
Ngày tải lên: 22/02/2014, 06:20
developing downloadable mobile apps using html5 and phonegap
... Developing downloadable mobile apps using HTML5 and PhoneGap “Apache Callback” Ron Perry, CTO, Worklight Inc. Mobile Browser Web Apps 7 Web App (HTML, CSS, JS) Mobile OS Web Server Agenda Downloadable ... Server Agenda Downloadable (native) apps vs. Web apps • HTML5 web apps vs. Downloadable apps Using HTML5 in downloadable apps: the hybrid model • How hybrid apps work • Advantages and disadvantages ... bridge for 6 mobile OSs • OS-independent JS APIs for activating device functions 12 PhoneGap run-time (native+JS) is part of the app 14 Example: accessing the camera 17 Downloadable...
Ngày tải lên: 28/04/2014, 16:06
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_2 doc
... systems. 13 Also, because a mobile radio channel is time varying, and because the signal at a mobile antenna is subjected to a Doppler shift that varies with the mobile velocity, the signal frequency ... most important features of 3G. Because of the many advantages that it offers, the CDMA technology forms the basis of 3G systems. References [1] W.R. Young, “Advanced Mobile Phone Service: Introduction, Background, ... received by a mobile antenna in and around Tokyo in the frequency band from 200 MHz to 1,920 MHz using different base station and mobile antenna heights. Black and Reudink [19] studied the mobile radio...
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_3 doc
... codes. Walsh Codes Various physical channels may exist at any time on a radio interface of a 3G system. For example, at a mobile station, there may be one or more dedicated physical data channels, a dedicated ... so on, are presented in the following section. Speech Encoding Speech encoders used in different mobile communications systems are listed in Table 3-2. UMTS uses Adaptive Multirate (AMR) coding of ... desired speech signal. The filter coefficients are determined 69 Principles of Wideband CDMA (W-CDMA) Mobile Communications System Speech Coding Algorithm IS-54/IS-136 Vector-Sum Excited Linear Predictive Coding...
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_4 ppt
... maximum number of mobile stations that can be served in a CDMA system) is maximum when the transmitter power of each mobile station is adjusted such that the received SIR from each mobile is just ... the fig- Chapter 4 122 Mobile Radio Systems,” IEEE Trans. Veh. Technol., Vol. VT- 39, No. 1, pp. 56 — 67, February 1990. [38] S. Anderson, et al., “An Adaptive Array for Mobile Communi- cations ... signals simultaneously from two mobile stations, one close to the base sta- tion and the other farther from it near the edge of a cell. Because UE1 is closer than UE2, if both mobile stations are transmitting...
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_5 potx
... parameters. The EIR con- tains the International Mobile station Equipment Identity (IMEI) numbers of all mobile stations that are registered. Each mobile is assigned a unique IMEI number that can ... a mobile station can use for timing recovery and synchronization. An exact copy of this sequence is stored in the mobile memory. Thus, by comparing the received sequence with this copy, a mobile ... explained in the next section. Figure 5-3(a) represents the transmitter of a mobile station. The speech signal from a mobile terminal is encoded into 13-bit uniform pulse code modulation (PCM)...
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_6 pdf
... signal level from all mobile stations in the cell, thereby preventing a single mobile (which may happen to be closer to the base station) from swamping out the sig- nals from other mobiles. Rate matching ... Institute (ETSI)/Special Mobile Group (SMG) developed two standards for International Mobile Telecommunication in the year 2000 (IMT-2000). One of them is the Universal Mobile Telecommunications ... which mobile station (or application) can use the next uplink RLC block on the same time slot. In this way, dif- ferent mobile stations may be multiplexed on the same PDCH when necessary. A mobile...
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_7 potx
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_8 potx
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_9 pptx
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_10 pdf
Ngày tải lên: 18/06/2014, 10:05
McGraw Hill - 2002 - W-CDMA and cdma2000 for 3G Mobile Networks_11 potx
Ngày tải lên: 18/06/2014, 10:05