Broadband wireless mobile

Broadband Wireless Mobile (3G and 4G) will be the next key developments in wireless communications. Immense interest has been fuelled by large demand for high frequency utilisation as well as a large number of users requiring simultaneous multidimensional high data rate access for the applications of wireless mobile internet and e-commerce. Broadband wireless mobile extends the corporate LAN to common areas such as meeting rooms and enables in-building public wireless hotspots such as airport lounges to provide wireless portable computer connectivity...

313p samsung_12 07-05-2013 18 1   Download

Flexible and scalable wide area network using satellite backhauls and configurable wireless ground access. Supports broadband multimedia applications and all-IP based mobility management.

22p nhq_khtn 07-11-2013 40 2   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article The Performance of Relay-Enhanced Cellular OFDMA-TDD Network for Mobile Broadband Wireless Services

10p sting08 20-02-2012 44 7   Download

Wireless mesh networks (WMNs) have recently received a great deal of attention as a promising cost-effective solution to provide coverage and broadband wireless connectivity for mobile users to get access to different IP applications and services. The factor that has helped WMNs become attractive is the wide application prospects from the wireless community, home and enterprise networking.

260p orchid_1 17-09-2012 57 8   Download

This article compares and contrasts two technologies for delivering broadband wireless Internet access services: ‘‘3G’’ vs. ‘‘WiFi’’. The former, 3G, refers to the collection of third-generation mobile technologies that are designed to allow mobile operators to offer integrated data and voice services over mobile networks. The latter, WiFi, refers to the 802.11b wireless Ethernet standard that was designed to support wireless LANs.

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The objective of this paper is to analyze the status of broadband telecommunications infrastructure in Thailand. Recommendations to develop broadband services in Thailand are also provided in this paper.

10p murielnguyen 25-06-2020 4 0   Download

Over the last few decades, the wireless industry has changed and grown, time and time again. This industry as a whole shifted from 1G for analog to digital phones 2G (SMS - Short Message Services and voicemail), then from 2G to 3G, 3.5G networks, which came with the mobile broadband internet connections that enabled the smartphone revolution, to 4G and 4GLTE (Long Term Evolution) which had high data rate cellular network. Future fifth-generation wireless communication networks (5G) [1, 2] will make an important difference and will add more services and benefits to the world over 4G.

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KỸ THUẬT RADIO OVER FIBER AMC AMPS AP BB BPF BPSK Adaptation Modulation and Coding Advanced Mobile Phone Service Access Point Base Band Band Pass Filter Binary Phase Shift Keying Broadband Wireless Access BWAN CDMA CS CSPDN DFB DMOD Network Code division Multiple Access Central Station Circuit Switched Data Network Distributed Feed Back(laser) DeMODdulator Đa truy cập phân chia theo mã Trạm trung tâm Mạng chuyển mạch dữ liệu Laser hồi tiếp phân tán Bộ giải điều chế Bộ điều chế và mã hoá Dịch vụ di động tiên tiến Điểm truy cập Băng tần cơ sở Bộ lọc băng thông...

12p caott5 22-05-2011 188 58   Download

Introduction to Broadband Wireless roadband wireless sits at the confluence of two of the most remarkable growth stories of the telecommunications industry in recent years. Both wireless and broadband have on their own enjoyed rapid mass-market adoption. Wireless mobile services grew from 11 million subscribers worldwide in 1990 to more than 2 billion in 2005 [1]. During the same period, the Internet grew from being a curious academic tool to having about a billion users.

20p khinhkha 22-07-2010 99 14   Download

This book explains the basic components, technologies used, and operation of IS-95 CDMA systems. You will discover why mobile telephone service providers have upgraded from 1st generation analog systems to more efficient and feature rich 2nd generation system. You will also discover how 2nd generation systems are gradually evolving into 3rd generation broadband multimedia systems. This book starts with the system components and basic services that the IS-95 CDMA system can provide.

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Summary and Introduction Broadband wireless communications have gained an increased interest during the last few years. This has been fuelled by a large demand on high frequency utilisation as well as a large number of users requiring simultaneous high data rate access for the applications of wireless mobile Internet and e-commerce.

9p doroxon 18-08-2010 61 6   Download

Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011, Article ID 496763, 13 pages doi:10.1155/2011/496763 Research Article MU-MIMO in LTE Systems Jonathan Duplicy,1 Biljana Badic,2 Rajarajan Balraj,2 Rizwan Ghaffar,3 P´ ter Horv´ th,4 Florian Kaltenberger,3 Raymond Knopp,3 Istv´ n Z. Kov´ cs,5 e a a a Hung T.

13p dauphong13 09-02-2012 65 6   Download

Many exciting impacts on our daily life are shortly anticipated due to recent advances in wireless communication networks that enable real-time multimedia services to be provided via mobile broadband Internet on a wide variety of terminal devices. The trend is mainly driven by the evolution of wireless networks and advanced wireless information and communication technology (ICT).

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WiMAX (Worldwide Interoperability for Microwave Access) is a wireless broadband access network named by industry group called the WiMAX forum formed in June 2001. It is Wireless MAN with IEEE 802.16 family standards. Loosely, WiMAX is a standardized wireless version of Ethernet that enables the last mile, intended primarily as an alternative to wire technologies (such as Cable Modems, DSL and T1/E1 links ) to provide broadband access to customer premises.

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A multiband MIMO antenna design for broadband mobile's applications is proposed in this paper. Based on PIFA structure, the proposed MIMO antenna is compact in size and designed on FR4 substrate with total dimension of 37 x 43.6 x 6 mm3.

10p truongtien_09 10-04-2018 22 2   Download

Millimeter-wave radio-over fiber (MMWRoF) technology is capable of exploiting both fiber communication and wireless communication to provide flexibility, long reach, high capacity, low electromagnetic interference and high immunity to the atmospheric conditions for creating next generation broadband mobile access networks.

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Wireless Broadband Systems and Wireless ATM∗ Broadband systems are generally those systems that provide a high transmission rate besides other features like integration of services. An exact definition of this term can be found in ITU Rec. I.113, which characterizes broadband services as having a higher transmission rate than a primary multiplex connection in ISDN (2048 kbit/s). A brief overview of the current state of development of wireless broadband systems, particularly in Europe, including the fundamentals of ATM in BISDN, is given below.

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Recently, considerable research effort has been put into the direction of integrating the broadband wired ATM [1] and wireless technologies. In 1996 the ATM Forum approved a study group devoted to wireless ATM, WATM. WATM [2–4] aims to provide end-to-end ATM connectivity between mobile and stationary nodes. WATM can be viewed as a solution for next-generation personal communication networks, or a wireless extension of the B-ISDN networks, which will support guaranteed QoS integrated data transmission.

25p tienvovan 18-09-2010 63 5   Download