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共 328 篇文章
users 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 328 篇文章,持续更新中。

Wi-Fi(TM), Bluetooth(TM), Zigbee(TM) and WiMax(TM)

Today wireless is becoming the leader in communication choices among<br /> users. It is not anymore a backup solution for nomadic travellers but really a<br /> newmoodnaturallyusedeverywhereevenwhenth

Utility Maximization in Nonconvex Wireless Systems

Once upon a time, cellular wireless networks provided two basic services: voice<br /> telephony and low-rate text messaging. Users in the network were separated<br /> by orthogonal multiple access sch

Ultra Wideband - Circuits

Recent advances in wireless communication technologies have had a transforma-<br /> tive impact on society and have directly contributed to several economic and social<br /> aspects of daily life. Inc

The+Telecommunications+Handbook

Changes in telecommunications are impacting all types of user<br /> group, which include business users, traveling users, small and<br /> home offices, and residential users. The acceptance rate of te

The Complete Wireless Communications

When thinking about mobile radio engineers there is a tendency to<br /> assume that the engineering function relates solely to the technical<br /> aspects of the network, such as the equipment design

The 3G IP Multimedia Subsystem (IMS)

When 3GPP started standardizing the IMS a few years ago, most analysts expected the<br /> number of IMS deploymentsto grow dramatically as soon the initial IMS specifications were<br /> ready (3GPP Re

Technology+Trends+in+Wireless+Communications

The use of mobile devices now surpasses that of traditional computers: wireless<br /> users will hence soon be demanding the same rich multimedia services on their<br /> mobile devices that they have

Stochastic Geometry and Wireless Networks

A wireless communication network can be viewed as a collection of nodes, located in some domain, which<br /> can in turn be transmitters or receivers (depending on the network considered, nodes may be

Spectrum+Sharing+Between+Radars

Radio frequency spectrum is a scarce and critical natural resource that is utilized for<br /> many services including surveillance, navigation, communication, and broadcast-<br /> ing. Recent years ha

Spectrum+Access+and+Management

The radio spectrum is one of the most precious resources which must be managed<br /> to ensure efficient access for the wireless communication services which use it. The<br /> allocation and managemen

Space-Time+Processing+for+Wireless+Communications

In this thesis several asp ects of space-time pro cessing and equalization for wire-<br /> less communications are treated. We discuss several di?erent metho ds of improv-<br /> ing estimates of space

SDxCentral-Mega-NFV-Report

The following sections profile many of the vendors in the NFV market. The individual profiles were created<br /> through a collaborative effort between SDNCentral’s Research Team and the Vendor’s prod

Radio+Spectrum+Management

An understanding of the policies, regulations, standards and techniques of radio spectrum<br /> management is useful to those who manage and administrate it, to operators, to equipment<br /> providers

Radio+Resource+Management

Wireless communications and networking technology are advancing at a very rapid<br /> pace. Newer technologies and standards are evolving to serve the ever-increasing num-<br /> ber of users demanding

Radio+Protocols+for+LTE+and+LTE-A

It was only a few years ago that “ubiquitous connectivity” was recognized as the future of<br /> wireless communication systems. In the era of ubiquitous connectivity, it was expected that<br /> the b

Optical+Access+Networks

The roots of this book were planted about a decade ago. At that time, I became<br /> increasingly convinced that wide-area and metropolitan-area networks, where much<br /> of my group’s research has b

Opportunistic+Spectrum+Sharing

Rapid growth of wireless communication services in recent decades has created<br /> a huge demand of radio spectrum. Spectrum scarcity and utilization inefficiency<br /> limit the development of wirel

Next Generation Mobile Broadcasting

Mobile wireless communications are in constant evolution due to the continu-<br /> ously increasing requirements and expectations of both users and operators.<br /> Mass multimedia* services have been

Mobile+Web+Browsing+Using+the+Cloud

Smartphones have become a key element in providing greater user access to the<br /> mobile Internet. Many complex applications which used to be limited to PCs, have<br /> been developed and operated o

Mobile+Technology+Consumption+Opportunities

The growth of mobile technologies is remarkable. At a recent Mobile World Congress Conference, Eric<br /> Schmidt, CEO of Google predicted that within three years, smart phones will surpass Personal C