Future Trends- Fourth Generation (4G) Systems and Beyond
Future Trends- Fourth Generation (4G) Systems and Beyond
... vision of 4G and future mobile and wireless systems. Such systems target the market of 2010 and beyond, aiming to offer support to mobile applications demand- ing data rates of 50 Mbps and beyond. ... receiving large Future Trends: Fourth Generation (4G) Systems and Beyond 197 amounts of information, much more than they can handle. This trend identifies the need...
Ngày tải lên: 29/09/2013, 21:20
Tài liệu Next Generation Mobile Systems 3G and Beyond doc
... interactive and background QoS classes standardized by 3GPP. 3.5 Radio Access Technologies for Next -generation Systems This section discusses the radio access challenges facing next -generation systems and ... interworking among WLAN and external networks, and radio resource management. Higher data rates requires broad frequency bands, and sufficient broadband can be achieved...
Ngày tải lên: 20/01/2014, 06:20
Surviving the Economic Crisis : Current and Future Trends pdf
... current generations able to turn back the clock, and return to digging up ditches, fixing roads, and building mega projects? Would these generations who traded blue overalls, for jeans and a ... standard, but as we are now in an era of economic change, perhaps its time to look forward and see what types of economies, we could have in the future. 1. Command- Capitalist A com...
Ngày tải lên: 23/03/2014, 14:20
Advanced Security and Beyond
... number of attacks•New techniques and security devices are helping to defend networks and systems The most recent developments and announcements are listed on pages 458 and 459 of the text Exploring ... attacks, and speed at which they spread continues to grow•Recent attacks include characteristics listed on pages 457 and 458 of the text•Defenders are responding to the increase in...
Ngày tải lên: 17/09/2012, 10:43
Principles of Digital Communication Systems and Computer Networks
... MSSV:08520470Sau đây là bài dịch chương II trong sách “Principles of Digital Communication Systems and Computer Networks” của nhóm em.Phần I – Các hệ thống truyền thông số(Digital Communation ... H = 4.07 bit/ký hiệuLưu ý: Hãy xem xét câu sau: "I do not knw wheter this is undrstandble." Mặc dù thực tế là một số chữ cái là mất tích trong câu này nhưng bạn vẫn có thể làm
Ngày tải lên: 18/09/2012, 10:13
A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems
... (IMT-Advanced) standardization. Future WiMAX, or the proposed WiMAX release 2, is considered as a candidate of 4G family. LTE is the latest standard in the mobile communication systems. The current generation ... OFDM systems over time varying and frequency dispersive fading channels. With the increasing number of mobile phone users and higher demands for wireless services, future...
Ngày tải lên: 20/11/2012, 11:28
Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
... Communication Systems: From 1G to 4G 23 2.1 Advantages and Limitations of the Cellular Concept 23 2.2 1G and 2G Cellular Communication Systems 25 2.2.1 Analogue First Generation Cellular Systems 25 ... Second Generation Systems 25 2.3 First 3G Systems 27 2.3.1 Requirements for 3G 27 2.3.2 Evolution of 2G Systems towards 3G 29 2.3.3 Worldwide 3G Standardisation Efforts 31 2....
Ngày tải lên: 02/03/2013, 16:59
LoopStar®700 Next Generation Ethernet Access and Transport Solutions
... ® 700 Next Generation Ethernet Access and Transport Solutions The LoopStar 700 product family delivers all the features needed at the converged access edge and offers a complete and cost- effective ... flexibility of a single interface slot and a series of fixed ports allows both service providers and end users to minimize their initial investment and still respond to future n...
Ngày tải lên: 16/10/2013, 14:15