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Radio Frequency Articles


1: The use of semiconductor technology of information between doctors and patients management
Semiconductor technology to the medical system to produce a far-reaching impact. Patient monitoring, drug transfers, as well as many other applications can be collected patient information, quickly process the data, and then through the hospital net...

2: Micro-electro-mechanical system integration and performance, cost and reliability of the comprehensive consideration
Whether the integration of MEMS with the controversial nature of integration is to achieve high-performance, low-cost, high reliability and high quality the only way, but its large R & D and production inputs needed to support a larger volume, b...

3: ZigBee positioning solution
Introduction Imagine that you burst into the shopping centers, eager for your other half of the purchase him (her) bed of roses for a birthday present. You are naturally pulled out cell phone or PDA to resolve the issue of how to buy a birthday pre...

4: Advanced RFID reader applications processor requirements
Radio Frequency Identification (rfid) technology, a smooth its way into many aspects of our daily lives. From supermarkets to fast collection of inventory management, the technology is changing many existing applications and support new applications...

5: Advanced RFID reader applications processor requirements
Radio Frequency Identification (rfid) technology, a smooth its way into many aspects of our daily lives. From supermarkets to fast collection of inventory management, the technology is changing many existing applications and support new applications...

6: Wireless sensor networks based on the prison security system design
0 Introduction 、。 At present, the prison system, used in video surveillance systems, alarm systems and access control systems are based on wired communication, which makes wiring areas that do not easily become a security blind spot monitoring, ...

7: Wireless IPPBX System Design and Implementation of
With the development of Ethernet broadband technology, IP network as a medium of voice communications technology (VOIP technology) with its low-cost voice by the consumers attention. Many enterprises and research institutions also began to study the...

8: Based on the MCF5213 and Zigbee technology, wireless intercom systems
Architecture MCF5213 Processor Freescale Semiconductor MCF5213 is the Coldfire family of embedded processors in a low-cost, low-power 32-bit microprocessor. It provides a simple monolithic circuit design processor solutions, the maximum configurat...

9: NI PXI-based radio receiver technology, technical brief
Overview RF receiver is a monitoring system, which is responsible from the antenna to receive radio-frequency energy, then the signal frequency down to digitizer which can be received within the collection, then you can right signals, such as Swept...

10: WLAN Positioning System Analysis and Design
Introduction In this paper, the personal position tracking system is a system of radio frequency identification (RFID) positioning on the individual applications, namely the use of wireless links to achieve personal location positioning systems. Sy...

11: Wireless SoC for signal integrity analysis
Low-cost consumer wireless devices function of increasing demands for higher integration. Large number of IP, such as microprocessors, digital signal processor (DSP) or the encryption engine, the need for "power control, data conversion," ...

12: 4G air interface generic OFDMA and MIMO technology to explore
This article will discuss the first two of them: specifically, the first ff first OFDMA on how to achieve the core DSP algorithm, and then was used for LTE uplink of new technologies, and finally a brief introduction to WiMAX and LTE of MIMO ( all t...

13: ZigBee technology to increase the use of piggyback method of network performance
1 Introduction IEEE 802.11, Bluetooth, UWB, etc. Since the launch agreement, in the short-range wireless monitoring, control, data transmission is widely used, but they are still power, and poor network capacity weaknesses. Ability to network with ...

14: Lighting control for the communication protocol
Electronic control of lighting is that we can reduce global energy consumption, one of the most effective way. In the United States, commercial and residential lighting energy consumption for energy production accounted for 22%. In this regard a lot...

15: RFID system design configuration management software
Introduction With technology innovation, RFID industry has entered a long-term. How will RFID technology with existing enterprise information systems seamlessly connect a number of enterprises has become a consideration. Configuration software to m...

16: Beamforming based on the electronic tracking technology research
1 Introduction Mobile carrier with the satellite system is to achieve between the earth station and satellite communications. Since the satellite signals are extremely weak and highly directional, in order for the carrier in sports (such as cars, b...

17: WiMAX technology based on the 5.8G RF Wireless Network System Design
1 RF close, the working principle of the system RF close, the system is for the baseband I, Q signals to provide a wireless transceiver channel. Slot in the firing, baseband I, Q signals through two mixer, a frequency for a fixed 380 MHz, the secon...

18: Multi-function monitor wireless communication systems
1 Introduction Multi-function monitor is a common clinical medical equipment, he can to include the patient's ECG (ECG), respiration (RESP), oxygen saturation (SPO2), blood pressure (BP) and other parameters show up through 24 hours of various ...

19: RF Crystal Oscillator System Design and Analysis
With the rapid development of communication technology, the oscillator research, design and technology development has been greatly. In order to adapt to the wireless paging receiver, FM-SCA stock machine, PDA, such as the miniaturization of communi...

20: Electrostatic control of the RF tag solutions
Radio frequency tags (RFID) is a new force in the printing industry, but also many far-sighted entrepreneurs are most optimistic about an area. In order to meet the needs of different people, in this article detail the RF tags on the causes of stati...


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