Posts Tagged Wireless

DARPA begins work on 100GB per second

DARPA has begun development of a wireless communications link that is capable of 100 gigabits per second over a range of 200 kilometers. Officially dubbed “100 Gb/s RF Backbone”, the program will provide the US military with networks that are around 500 times faster than its current wireless links.

In essence, DARPA wants to give deployed soldiers the same kind of connectivity as a high-bandwidth, low-latency fiber-optic network. In the case of Afghanistan, for example, the US might have a high-speed fiber link to Turkey — but the remaining 1,000 miles to Afghanistan most likely consists of low-bandwidth, high-latency links. It’s difficult (and potentially insecure) to control UAVs or send/receive intelligence over these networks, and so the US military instead builds its own wireless network using Common Data Link.

Suffice it to say, transmitting 100Gbps through the air is rather difficult; your home WiFi network probably maxes out at around 100Mbps, some thousand times slower.

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How Can You Make the Most of Your Home Wi-Fi Network

Wi-Fi has become something is considered an essential in most homes all around the world. What would people do without the internet? They would not be able to send emails, watch videos, check the weather or look for a map in order to determine the route for their weekend trip. Wi-Fi has simply become integral to work commitments and home life.

For this reason, it is highly important that individuals know how to get the most out of their Wi-Fi system. After all, there is nothing worse than an internet connection that is slow or continuously disconnects at random moments. A lot of people do not know it, but there are ways in which people can improve their connection by doing simple things which do not cost money.
This article will reveal certain tips in order to help individuals get the most out of their Wi-Fi connection:

Find the best spot for the wireless router to be placed

Where in which the wireless router is placed in the home or in the work place is highly important.

There are several factors which determine where the best place to put the router is and these will all be explained below:

The first thing that one needs to encounter is how close the router is to the outside area. A lot of routers have an omnidirectional antenna. If the one in question does not have one then this point will not be relevant. However, if the router in question does have an omnidirectional antenna then this should not be placed against an outside wall. The reason why this is the case is because it will send half of the signals outside, thus the connection is largely wasted.

In addition to this, a lot of people want their router to be placed somewhere which is not visible, after all, nobody wants a random box or wires on show in their house. Nevertheless, this is something which is highly unadvisable. Wireless routers are very susceptible to overheating and thus they need a clear air flow in order to ensure that this does not happen. The best place to put a wireless router is in open space where they are not obstructed by anything. After all, nobody wants to have to replace their wireless system because it has overheated.

Furthermore, it is important to keep in mind the height of the router. This is especially the case in houses that have more than one level. After all, the connection needs to reach the second floor so that the internet is available in that room. Therefore it is best to have the wireless connection placed as high up as is possible.

A final point worth noting regarding the placement of the wireless router is the other appliances that are nearby. It is highly important that there is nothing which will cause interference between the wireless connections reaching the other devices needed. In order to ensure this is the case it is highly recommendable to keep the router away from all appliances in general. However, if this is not feasible then simply do research to find out which appliances give out a strong signal and avoid these, for example, an oven.

Have a top quality wireless package

It is important to make sure that one has a top quality wireless package to start with if they want to ensure internet success. There are tons and tons of different internet packages available from different suppliers today and it is vital to seriously consider which one to go for before a final decision has been made.

In order to get the information you need on unlimited mobile broadband you should search online and compare different packages, read customer reviews and take the advice of experts in the field.

If the points in this article are considered then I am sure individuals will be well on their way to getting the very best out of their wireless connection.

Author bio

The above article is written by JD and he recommends that in order to get the information you need on unlimited mobile broadband, use free online resources like BroadbandExpert.com.au

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Wireless Power for the Price of a Penny?

The newspaper-style printing of electronic equipment has led to a cost-effective device that could change the way we interact with everyday objects.For a price of just one penny per unit the device, known as a rectenna, which is presented in IOP Publishing’s journal Nanotechnology, can be placed onto objects such as price tags, logos and signage so that we can read product information on our smartphones with one simple swipe. This type of technology, which is known as near-field communication (NFC), has already been implemented to allow fast money transactions; however, this new device could lead the way to large-scale adoption at a low cost.

The rectenna, created by researchers from Sunchon National University and Paru Printed Electronics Research Institute, could be implemented onto everyday objects so that they can harness the power given off by the smartphone’s radio waves and send information back to it via printed digital circuits.

It is called a rectenna as it is a combination of an antenna and a rectifier — a device that converts alternating current (AC) into direct current (DC). The rectenna was printed onto plastic foils in large batches using a roll-to-roll process at a rate of 8m min-1. Five different electronic inks were used and each rectenna had a length of around 1300 mm. The researchers state that the rectenna can harness power directly from radio waves given off by a mobile phone, converting AC into DC. The rectenna created in this study could provide at least 0.3 watt of power from an alternating current which had a frequency of 13.56 MHz.

NFC technology is very similar to QR codes, whereby users take a photo of a square-shaped bar code on a poster or advert using their smartphone. The difference with NFC is that items will contain a small computer chip or digital information, operated by DC power. “What is great about this technique is that we can also print the digital information onto the rectenna, meaning that everything you need for wireless communication is in one place,” said co-author of the study Gyoujin Cho. “Our advantage over current technology is lower cost, since we can produce a roll-to-roll printing process with high throughput in an environmentally friendly manner. Further, we can integrate many extra functions. ”

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Astro launches A50 Wireless Gaming Headset

The audio aficionados at Astro are an impatient bunch, launching into their own next generation of hardware ages before console manufacturers are ready to take the plunge. Today, Astro Gaming has released the A50 Wireless Gaming Headset ? a Dolby 7.1 Surround Sound, 5.8GHz behemoth for use with the Xbox 360, PlayStation 3, PC, Mac “and more.”

According to Astro, the A50 has a 12+ hour battery life and includes a separate wireless transmitter ? which features KleerNet tech to keep audio lossless over its wireless connection.

Acoustic authority comes at a hefty price, however, as the A50 is tagged with a staggering $300 price point. Hey, no one said hearing the falling tears of your enemies online would be cheap! The hardware is currently available on Astro’s website and select retail locations.

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