... research, simulation and design dualband antenna which operates at 900MHz and
2.45GHz are conducted. FR4-epoxy substrate is chosen with thickness h = 1.5mm, ε
r
= 4.4. Dual
band can be achieved by ... single antenna
which is originally designed at 900MHz. Some dualband RFID structures are discussed in this
paper.
Keywords: dualband antenna, RFID antenna, impedance matching.
1. Introduction
∗
...
Yoon, Small RFID tag antenna with bandwidth-
enhanced characteristic.
[4] Seunggil Jeon, Yeonsik Yu, Sungtek Kahng,
Juderk Park, NaeSoo Kim, Jaehoon Choi, Dual-
band Dipole antenna for ISO 18000-9/ISO...
... Common Wireless Network Components 69
Client-Side Wireless Adapters 70
PC Card 71
CF Card Adapter 72
PC Card PCI Bus Adapter 72
PCI Bus Card 73
ISA Bus Interface 73
USB Interface 73
Network-Side Wireless ... Point-to-Multipoint 82
Summary 82
Chapter 6 Typical Wireless Installations 83
Wireless at Home 85
Wireless at Work 88
Wireless on Campus 95
Wireless in the Community 98
Wireless Internet Service Providers 100
Summary ... xiii
Acknowledgments xv
Chapter 1 Wireless Essentials 1
Wireless Defined 3
Wireless Equals Infrared 3
Wireless Equals Radio Frequencies 4
Wireless Networking Radio Spectrum 16
Summary 18
Chapter 2 Wireless Network...
... its one-stop services for wireless networks providers, allowed the carri-
er to expand its data center capabilities within six months.
BUSINESS CHALLENGE
A major U.S. wireless carrier needed to ... component failures as well as ensure uniform service quality.
ENSURING WIRELESS AVAILABILITY AND
SERVICE QUALITY WITH DUAL DATA CENTERS
CASE STUDY
... the
East coast, the other on the West coast) to simultaneously manage IP back-
haul traffic from its wireless network. These centers would serve as secure
cores for all IP switching and routing, and...
... 60 GHz 70 GHz 80 GHz 90 GHz 100 GHz
(2 x 5 GHz channels)
Cellular BandsMicrowave Bands60 GHz Band
E -Band
90 GHz Band
E -Band Wireless Technology
Page 7
To demonstrate how this technology works ... WHITE PAPER
E -Band Wireless
Technology
E -Band Wireless Technology
Page 6
Technical Attributes of E -Band Wireless
There are a number of additional physical ... rain zones
E -Band Wireless Technology
The 71-76 and 81-86 GHz bands (widely known as “e -band ) are permitted
worldwide for ultra high capacity point-to-point communications. E -band
wireless systems...
... nối USB có dây dẫn được kết nối với các hub USB không dây.
3.Tốc độ phát triển :
Hiện nay USB là chuẩn kết nối phổ biến
13
Mục lục
I. Tổng quan chung
1 .Wireless USB là gì?
2 .Wireless USB ... tốc độ 480Mbps của chuẩn
WUSB 1.0 (Wireless USB) hiện tại.
o chuẩn WUSB 1.1 mở rộng ít tiêu hao nguồn điện, giảm chi phí.
o WirelessUSB sử dụng công nghệ UltraWideBand (UWB) cho
phép dữ liệu ... liu du lch.
WirelessUSB :
ã WirelessUSB cú tính năng tương tự USB nói chung nhưng
không cần dây cáp. Nó hỗ trợ máy in, máy ảnh, ổ cng ri kt
ni khụng dõy vi mỏy tớnh.
ã WirelessUSB sử dụng...
... GROM USBadapter and provides AUX-IN for any audio device.
You can also connect GROM Bluetooth Dongle to the EXT port on the GROM -USB adapter for the hands
free use of your mobile phone and wireless ... connection of set
a)
The GROM audio adapter set consists of the GROM -USB main interface, one USB cable, and one
vehicle-specific cable.
1. GROM USB interface 2.One USB cable 3. One Vehicle specific ... Operation in USB MODE
3.2.1 Supported USB Storage Devices
All FAT16/32 formatted storages:
- USB sticks/hard drives
- SD/CF/MMC cards with card reader USB interface
The GROM USB supports...
... them.
This behavior enables us to model the problem as a
multiarmed bandit problem [8]. In the basic version of
the multiarmed bandit problem, there are M-independent
machines. Let x
i
(t) be the ... of
discounted rewards.
The reason why this problem is called the multiarmed
bandit problem is due to the old problem of a bandit in a
casino who is faced with the choice between different slot
machines. ... a packet switched
network in the unlicensed band that the underlying
assumptions on the interfering traffic model that motivated
the use of multiarmed bandit formulation are valid. We
then calculated...
... Journal on Wireless Communications and Networking
Volume 2008, Article ID 738292, 11 pages
doi:10.1155/2008/738292
Research Article
Dual Wake-up Low Power Listening for Duty Cycled Wireless
Sensor ... INTRODUCTION
Energy conservation has been actively studied for wireless
sensor networks [1, 2]. Among the diverse sources consum-
ing energy in wireless sensor devices, the idle listening of
radio transceiver ... “Increasing
the efficiency of preamble sampling protocols for wireless
sensor networks,” in Proceedings of the 1st Mobile Comput-
ing and Wireless Communications International Conference
(MCWC ’06),...