3g
共 504 篇文章
3g 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 504 篇文章，持续更新中。
广和通物联网产品手册中文
<p>广和通是中国首家A股上市的物联网无线模组企业。致力于将可靠、便捷、安全、智能的无线通信解决方案普及至每一个物联网应用场景，丰富智慧生活。广和通提供创新的5G、4G、3G、2G、NB-IoT、LTE-M、智能、车规级无线通信模组及物联网应用一站式无线通信解决方案 。广和通拥有全球1000多名员工，产品及服务遍及100多个国家。</p>
WLANs+WPANs+towards+4G+Wireless
This book paves the path toward fourth generation (4G) mobile communica-<br />
tion by introducing mobility in heterogeneous IP networks with both third<br />
generation (3G) and wireless local area n
Wireless+Networking+Complete
This chapter provides extensive coverage of existing mobile wireless technologies. Much of the<br />
emphasis is on the highly anticipated 3G cellular networks and widely deployed wireless local<br />
Wireless Communications & Networking
During the past three decades, the world has seen signifi cant changes in the telecom-<br />
munications industry. There has been rapid growth in wireless communications, as<br />
seen by large expans
Time-Varying Channels
Wireless communications has become a field of enormous scientific and economic interest. Recent<br />
success stories include 2G and 3G cellular voice and data services (e.g., GSM and UMTS), wireless<
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
Service Delivery Platforms
Convergence between the two largest networks (Telecom and IP) is taking place<br />
very rapidly and at diff erent levels: (1) network level: unifi cation of IP networks<br />
with traditional Telecom
Radio+Resource+Management+Strategies
It is more than a decade since GSM was first commercially available. After some unexpected delay, it<br />
seems that finally UMTS is here to stay as a 3G system standardised by 3GPP, at least for ano
Multicarrier+Techniques+for+4G
At recent major international conferences on wireless communications,<br />
there have been several sessions on beyond third generation (3G) or fourth<br />
generation(4G)mobilecommunicationssystems,w
Introduction+to+3G+Mobile+Communications
The third generation (3G) mobile communication system is the next big thing<br />
in the world of mobile telecommunications. The first generation included<br />
analog mobile phones [e.g., Total Acces
HSDPAHSUPA+for+UMTS+High+Speed+Radio+Access
The first Third Generation Partnership Project (3GPP) Wideband Code Division<br />
Multiple Access (WCDMA) networks were launched during 2002. By the end of 2005<br />
there were 100 open WCDMA networ
Heterogeneous Wireless Access Networks
With the rapid growth in the number of wireless applications, services and devices,<br />
using a single wireless technology such as a second generation (2G) and third gener-<br />
ation (3G) wireless
Essentials+of+LTE+and+LTE-A
The next-generation wireless broadband technology is changing the way<br />
we work, live, learn, and communicate through effective use of state-<br />
of-the-art mobile broadband technology. The pack
Distributed Antenna Systems
The rapid growth in mobile communications has led to an increasing demand for wide-<br />
band high data rate communications services. In recent years, Distributed Antenna<br />
Systems (DAS) has emer
Ambient Networks
One traditional view of how wireless networks evolve is of a continuous, inevitable progres-<br />
sion to higher link speeds, combined with greater mobility over wider areas. This standpoint<br />
ce
3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched<br />
access networks for both voice communication and Internet access. Evolving Universal<br />
Mobile Telecomm
MSP430FG439对心电采集传感器进行了开发
<p class="MsoNormal" style="text-align:justify;text-indent:21.0pt;">
医疗设备向着便携和无线网络化两个趋势发展，本课题基于MSP430FG439对心电采集传感器进行了开发，并利用3G传输模块实现了心电信息的远距离无线传输。本装置实现了人体心电采集、波形显示和心率计算。得到的心电波形特征波明显，能够进行相关疾病的判断，具有功耗低、
中国电信坚决发展NB-IoT
<span class="fontstyle0">由于中国电信CDMA网络发展到3G<br />
之后，没有后续演进路线。所以中国电信<br />
必然全力以赴建设基于FDD的NB-IoT<br />
网络，不存在选择上的纠结， 力量用在一<br />
处。5月17日， 中国电信宣布建成全球目前<br />
覆盖最广的商用新一代物联网（NB-IoT）<br />
网络， 实现31万个基站升级。</
WCDMA仿真
主要仿真3G通讯中WCDMA的各种特性，非常的有用、环印下载
3G方面的相关文章
3G方面的相关文章，介绍了3G的技术标准，与光通信的关系等。