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Signal and Antennas

In wireless networking, maintaining a clear and far reaching signal is an ongoing challenge. Luxul is the leader in engineering superior wireless signal propagation technologies to address these challenges. Clear-WAV solutions deliver the world's most reliable and powerful signals for use in home, office, and industrial networking applications.

Enhance Wi-Fi Networks When Attempting to Overcome Typical Wireless Network Implementation Challenges Such As:

Non-Line-of-Site (NLOS) and Inclement Weather Conditions

When a line-of-sight path is impaired by light obstructions (i.e. foliage or small buildings) it can result in severe signal degradation. Likewise, rain, snow and other inclement weather cause a microcosm of conditions (i.e. reflectivity, absorption, phasing, multi-path, line of site, etc.) that can negatively impact signal integrity. Circular polarization is more resistant to signal degradation due to NLOS or weather conditions and is much more effective than linear polarization for establishing and maintaining clear communication links.

Distance and Coverage Area

The distance between access points and maintaining consistent coverage in large building complexes and campus environments can be a unique challenge when setting up a wireless network. This is due to numerous issues (line of site, reflectivity, absorption, phasing, multi-path, etc.). The right combination of Luxul Wireless Clear-WAV technologies can help minimize implementation risks and increase the coverage zone of any access point by up to 4X.

High Cost and Over-Configuration

The traditional approach to wireless networking includes the use of linear polarized antennas and a large number of access points (APs) to compensate for poor signal strength and reach. The Luxul Wireless Clear-WAV approach is to focus on signal propagation, coverage and integrity, which results in a more cost-effective and efficient network environment due to:
* The use of fewer APs
* Reduced cable requirements
* A shorter, less expensive implementation time
* Fewer points of failure
* Decreased management complexity

Signal Reflectivity and Absorption

Radio signals are reflected or absorbed depending on the material they come in contact with. Because linear polarized antennas are able to "attack" the problem in only one plane, if the reflecting surface does not reflect the signal precisely in the same plane, that signal strength will be lost. Since circular polarized antennas send and receive in all planes, the signal strength is not lost, but is transferred to a different plane and is still utilized. As a result, circular polarized antennas provide a higher probability of a successful link because it is transmitting on all planes.

Phasing Issues and Multi-Path Problems

High-frequency systems (i.e. 2.4 GHz and higher) that use linear polarization, typically require a clear line-of-sight path between the two points in order to operate effectively. Such systems have difficulty penetrating obstructions due to reflected signals, which weaken the propagating signal. Reflected linear signals return to the propagating antenna in the opposite phase, thereby weakening the propagating signal. Conversely, circular-polarized systems also incur reflected signals, but the reflected signal is returned in the opposite orientation (Left Hand Circular Polarized or Right Hand Circular Polarized), largely avoiding conflict with the propagating signal. The result is that circularly-polarized signals are much better at penetrating and bending around obstructions.

Multi-path is caused when the primary signal and the reflected signal reach a receiver at nearly the same time. This creates an "out of phase" problem. The receiving radio must then spend its resources to distinguish, sort out, and process the proper signal, thus degrading performance and speed. Linear Polarized antennas are more susceptible to multi-path due to increased possibility of reflection. Out of phase radios can cause dead-spots, decreased throughput, distance issues and reduce overall performance.


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