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- Wirless networking through stone walls
- I may be setting up a wireless networking in a stone house. I've been told it might have to go through stone walls. Is there an AP or Repeater, strong enough to go through stone walls?Stones not generally your problem depending on thickness, its usually metal that is the prime...
- Tags: gain antenna, high gain antenna, jcafarel@..., networking, POSTER, wall
- Q&A 2005-11-13
- Hotspots for Wireless networks
- I currently have a wireless network setup in my home. I have a pc located in my basement that I would like to get onto the wireless network. The signal strength is very weak. I can actually sign onto the network and get out on my dls modem but the...
- Tags: access point, gain antenna, high gain antenna, HotSpot, ian.buda@..., network, networking, wireless, wireless network
- Q&A 2005-04-26
Additional Resources
- Bandwidth and Gain Improvement of a Circularly Polarized Dual-Rhombic Loop Antenna
- This paper presents a novel way to improve the performance of a Circularly Polarized CP dual-rhombic loop antenna. The bandwidth is enhanced by adding a pair of parasitic rhombic loops inside the dual-rhombic loop while the gain is increased with the help of a short backfire antenna. Good impedance matching...
- Tags: Bandwidth, Antenna
- White papers 2006-02-23
- Antenna Selection in High-Throughput Wireless LAN
- This paper presents a new method for implementing antenna selection in high-throughput Wireless LANs WLANs, addressing two major practical concerns: antenna selection training protocol design, and calibration to solve RF imbalance problems. Specifically, the low Doppler spread of WLAN channels enables us to train all antenna subsets by multiple training...
- Tags: WLAN, Training, Antenna Selection, Wireless LANs, LANs, Workforce Management, Wi-Fi, Wireless, Networking, Human Resources
- White papers 2006-03-23
- Advanced Antenna Technology for a Broadband Ka-Band Communication Satellite
- TRW's Gen*Star family of precision high-gain satellite antennas offers the expanding coverage required in the Ka-band market. Providing superior performance, flexibility, and capacity, along with a full-Earth FOV, the Gen*Star antenna is the clear choice for high-capacity applications. Performance results of the protoflight model exceed those previously shown for other...
- Tags: Broadband, Northrop Grumman Corp., Satellite, TRW, Network Technology, Networking
- White papers 2004-09-22
- A Novel Compact Cable-Fed Antenna for a GSM/DCS Handset
- By using a branch-line ground plane, a monopole radiator, and parasitic patches, a newly compact cable-fed antenna is investigated in order to overcome the thickness problem of the Planar Inverted-F Antenna PIFA. The designed antenna has dimensions of only 40 12 1 mm and the impedance bandwidth of the proposed...
- Tags: John Wiley & Sons Inc., Antenna, Patches, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-09-05
- Miniaturized Printed Wire Antenna for Wireless Communications
- In this paper miniaturized printed-circuit-board wire antennas are investigated for wireless local access network WLAN and Bluetooth applications. The proposed wire antenna in F-shape could have a much smaller area than an inverted F antenna with a similar bandwidth. It is found that F-antenna can usually be inductively tuned but...
- Tags: Bandwidth, Wireless Communication, Antenna, Bluetooth, Wi-Fi, Wireless
- White papers 2005-08-09
- iTunes Antenna (widget)
- iTunes Antenna displays the iTunes store's top songs, albums, new releases, and so on. If you click a list item, iTunes Antenna will show details and artwork. This version is the first release on CNET Download.com.
- Tags: Apple iTunes, Digital Music, Digital Media, Personal Technology, Consumer Electronics
- Software downloads 2007-05-30
- Printed Straight F Antennas for WLAN and Bluetooth
- Miniaturized printed-circuit-board antennas are proposed in PCMCIA cards for WALN and Bluetooth applications. The proposed antenna is a straight F in shape printed on a FR4 substrate together with the rest of the circuit components, providing a low-cost antenna solution. The straight F antenna resembles a printed inverted F antenna,...
- Tags: WLAN, Antenna, F Antenna, Bluetooth, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2003-01-15
- A Novel Microstrip Patch Antenna With Large Impedance Bandwidth in VHF/UHF Range
- In this paper a novel antenna is presented. This antenna, employing microstrip circular disc as radiator is seen to perform over a large impedance bandwidth (130MHz to 876 MHz). The disk resonator is loaded with L-C-R circuit across a selective location in the disk via a thin shorting pin. The...
- Tags: Bandwidth, Disk, Antenna, Disk Resonator
- White papers 2006-01-09
- Performance Measurement of 802.11a Wireless Links From UAV to Ground Nodes With Various Antenna Orientations
- This paper reports measured performance of 802.11a wireless links from an Unmanned Aerial Vehicle UAV to ground stations. In a set of field experiments, it records the Received Signal Strength Indicator RSSI and measure the raw link-layer throughput for various antenna orientations, communication distances and ground-station elevations. By comparing the...
- Tags: IEEE 802.11, Performance, Harvard University, Wireless LANs, Performance Management, Wi-Fi, Wireless, Human Resources, Workforce Management
- White papers 2006-10-10
- A Low Complexity Antenna Diversity Receiver for OFDM Based Systems
- A low complexity antenna diversity architecture with a new combining technique suitable for Orthogonal Frequency Division OFDM based systems is introduced in this paper. For a two branch antenna diversity, this structure requires only one FFT at the receiver and allows optimum maximum ratio combining. For systems with a higher...
- Tags: Technique, OFDM, Productivity, Wireless
- White papers
- An Open Access Wideband Multi-Antenna Wireless Testbed With Remote Control Capability
- This paper introduces an open access wideband multi-antenna wireless testbed. The testbed is configured as a four transmit antenna by four receive antenna system based on software defined radio technology. It operates in the 2.4GHz ISM band and supports an RF bandwidth compatible to IEEE 802.11a/g standard. A robotic positioning...
- Tags: Microsoft Access, Positioning, Radio, University Of California, Testbed, Branding, Advertising & Promotion, Marketing
- White papers 2004-11-29
- Performance of Antenna Selection for MIMO-OFDM Systems Based on Measured Indoor Correlated Frequency Selective Channels
- This paper presents and compares antenna selection strategies for frequency selective MIMO-OFDM channels. Real channels are measured, and used to evaluate performance. Results for simulated TGn channel models are also presented. The paper shows that the capacity gain predicted from the simulated channels, is significantly lower than can be achieved...
- Tags: Channel, Performance, MIMO-OFDM
- White papers 2006-08-14
- Mobile Wireless Communication System Antennas for 260 MHz-Band
- Automotive mounted antennae are often vertically orientated 1/4 wave antennae because the body of the car can be used as an effective reflective infinite ground plane. The 1/4 wave antenna has a low cost and is also compact in size. This compact quality is important in automobile mounted antennae because...
- Tags: Mobile, Wireless Communication, Antennae, Antenna, Wi-Fi, Wireless, Advertising & Promotion, Marketing
- White papers 2006-03-26
- connecting 2 routers or more without wds
- Hi Guys, I'm looking to extend a wireless network to increase the coverage over a property. neither router has WDS and I wondered if I could add the second router to the same network as the first providing i use the same range and subnet mask? Or is there another/better...
- Tags: Routers & switches, Network technology, NETWORKING, shortstuff, Associated Press, router
- Discussion threads 2007-05-22
- Reconfigurable Antenna Solution for MIMO-OFDM Systems
- A reconfigurable microstrip dipole antenna solution for Multiple Input Multiple Output MIMO communication systems making use of Orthogonal Frequency Division Multiplexing OFDM is presented. When applied to closely spaced antenna arrays, this method can increase link capacity. The benefits of this novel antenna solution are demonstrated by channel capacity measurements...
- Tags: Drexel University, MIMO-OFDM, Antenna Solution, OFDM, Wireless
- White papers 2006-01-23
- Diversity Reception for OFDM Systems Using Antenna Arrays
- Orthogonal Frequency Division Multiplexing OFDM is a multicarrier modulation scheme that achieves high spectral efficiency by using minimally densely spaced orthogonal subcarriers without increasing the transmitter and receiver complexities. Antenna arrays are a powerful means to exploit the spatial domain to provide an extra layer of co-channel interference cancellation and...
- Tags: IEEE, Array-OFDM System, OFDM, Wireless
- White papers 2005-12-01
- Wireless Range 802.11b vs 802.11g
- I'm implementing a wireless network SMC and having some problems with the range. Obviously the walls are more solid than I anticipated. Anyway, at the moment I have the SMC2804 configured for 802.11b/802.11g mixed mode. I have implemented a repeater to improve the range, which it has to a degree,...
- Tags: Associated Press, dhony41, distance, IEEE 802.11, IEEE 802.11g, it management, repeater, wireless
- Q&A 2005-09-26
- Smart Antenna Systems
- A smart antenna system combines multiple antenna elements with a signal-processing capability to optimize its radiation and/or reception pattern automatically in response to the signal environment.What does an antenna do in a telecommunications system? It is the port through which radio frequency RF energy is coupled from the transmitter to...
- Tags: International Engineering Consortium, Radio Frequency, Signal Processing, Telephony, Network Technology, Networking
- White papers
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