Showing posts with label Wireless. Show all posts
Showing posts with label Wireless. Show all posts

Thursday, January 3, 2013

The History of Wireless Networking

The history of wireless networks and of wireless networking goes hand in hand. Without the discovery of technology such as the radio, wireless technology would not exist at all today. The history of wireless networking goes as far back as the 1800's with the advent of radio waves. The advent of more technology grew throughout the years and expanded to what we communicated with today.

In 1888, a Hamburg, Germany born physicist named Heinrich Rudolf Herz produced his first radio wave ever. By 1894 this radio wave production became a way of communication. Telegraph wires were used to receive the radio waves in signal form. Herz opened the way for radio, television, and radar with his discovery of electromagnetic waves. An Italian inventor named Marchese Guglielmo Marconi then expanded the radius of radio wave sending to two miles, becoming the "father of the radio." By 1899, this form of telecommunication could travel pretty far for its time. Marconi could send a signal 9 miles across the Bristol Channel. He eventually expanded the radius to 31 miles across the English Channel to France. By 1901 the communication area became immense. Marconi could send signals across the entire Atlantic Ocean.

World War II became a big stepping stone for the radio wave. The United States was the first party to use radio waves for data transmission during the war. This use of radio waves could have quite possibly won the war for the Americans. The use of radio wave data communication lead to a lot of speculation to whether the radio signals could be expanded into something bigger than it currently was. In 1971, a group of researchers under the lead of Norman Abramson, at the University of Hawaii, created the first "packet-switched" radio communications network entitled "Alohanet." Alohanet was the first wireless local area network, otherwise known as a WLAN. The first WLAN was not much, but it was a large discovery. The Alohanet WLAN was comprised of seven computers that communicated to each other. In 1972, Alohanet connected with the WLAN system Arpanet on the mainland. This length of connect was ground breaking in telecommunications between computers.

The History of Wireless Networking

The first types of WLAN technology used an interface in which became over crowded for communication. Small appliances and industrial machinery caused interference so the technology had to be updated. The second type of WLAN technology to be released ended up being four times faster than its predecessor at 2Mbps per second. We use the third format of WLAN today, though our current WLAN system runs at the same speed as the second system released.

In 1990, the 802.11 Working Group was established to work towards a WLAN standard for all computers to communicate from. In 1997, IEEE 802.11 was accepted as the standard data communication format for wireless local area networks. The technology continues to grow today. Governments and large corporations are constantly looking out for the latest and fastest standard to work from.

The expansion of wireless networking will likely continue for decades to come.

The History of Wireless Networking
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WES is a special event that is hosted for anyone associated with BlackBerry technology and wireless training. Everyone from technology executives, developers, IT professionals, developers, and software vendors can benefit from BlackBerry training.

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Tuesday, December 18, 2012

How to Choose the Best Wireless Router For iPad

iPad becomes so popular today. With iPad you can browse the internet, read your email, watch and preview the video and download to your video library, catch up on your favorite TV shows and so on. To allow your iPad get in touch with the web, it needs to connect to the Wi-Fi network because iPad is equipped with the Wi-Fi for communication to the Webs. In homes, you need to build a wireless network to share the internet wirelessly. And the heart of the wireless network in homes is the wireless router. Now, how to choose the best one for iPad?

To answer how to choose the best router for iPad, firstly you need to know the Wi-Fi adapter the iPad is embedded with and how well the adapter will work best for the iPad applications. Secondly, you need to choose the wireless router that supports the best performance for the iPad applications.

iPad is powered with wireless n technology and is compliant with 802.11 a/b/g/n wireless standards. It means that iPad is powered by dual-band technology. Wireless 802.11n technology is the latest and the fastest wireless technology available in the market today. Dual-band technology supports both 2.4 GHz (802.11 b/g/n) and 5 GHz (802.11a) frequency bands. It also equipped with Bluetooth 2.1 plus EDR technology, but nothing to do with your router. With the 802.11 a/b/g/n wireless technology the iPad supports, your router must be able to support the 802.11 a/b/g/n technology. This means your router should support the same technology for optimum data throughput: wireless n dual-band technology.

How to Choose the Best Wireless Router For iPad

With wireless n dual-band technology, the router provides high-speed and clean wireless when using the 5 GHz frequency band. iPad works well in streaming the video preview and downloading media when your Wi-Fi environment delivers high-performance network: high-speed, jitter-free video and lag-free gaming. To deliver high-performance network, your router should support the Quality of Service (QoS) prioritization engine technology. With QoS, the router can analyze and separate the traffic into multiple data streams and categorize them by sensitivity to delay. Applications like video streaming, VoIP and gaming are given priority over web browsing.

The best wireless router for iPad should support the wireless n dual-band technology with Quality of Services technology. The following are couple of the best wireless routers for iPad.

Netgear WNDR37AV

NETGEAR WNDR37AV gigabit router is designed for high performance wireless network for streaming video and gaming. Wndr37AV is powered with the final version of the wireless 802.11n technology with dual-band feature. WNDR37AV support the Video mode, wireless multimedia (WMM) based QoS to optimize HD video streaming without glitches, stutters, or lags. The router is powered by 680MHz powerful MIPS 32-bit processor which is powerful in delivering high-performance wireless environment. This makes the router to become one of the best ones for iPad.

Other features, the router includes gigabit ports: 4 Gigabit ports for Ethernet LAN, one gigabit WAN port for connection to the modem, and one USB port with ReadyShare technology for storage access. The other benefit with this router is that WNDR37AV is compliant with DLNA media.

Apple AirPort Extreme Base Station

Providing the wireless environment for iPad using the wireless router from the same vendor Apple is good for the compatibility. Even though iPad works well with wireless environment using high-performance routers from different vendors, having the devices from the same vendor is better for technical support services.

AirPort Extreme is powered by the wireless n technology with dual-band technology. It can deliver the high-performance wireless environment to support up to 50 clients in sharing the internet connections and it also supports Mac OS X or Windows. The router also supports the QoS for better video streaming. Airport Extreme includes 3 gigabit Ethernet ports, one Gigabit WAN port, and one USB port. With USB port, you can add USB hub to allow you connect USB printer and USB storage for sharing.

You can also consider other high-performance routers for fast response and smooth video streaming such as Linksys E-3000 wireless gigabit router, Belkin Max Play, WNDR3400 N600 router, and new D Link N450 DIR665.

Best wireless router for iPad demands high-performance wireless environment in delivering clean wireless network, high-speed, and Quality of Service. The router should support wireless n technology with dual band supports, and the Quality of Service for multimedia traffic prioritization.

By Ki Grinsing

How to Choose the Best Wireless Router For iPad
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Ki Grinsing has prolonged years of working experiences in IT projects. Please visit the articles: best wireless router for iPad and atheros wireless adapters.

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Sunday, December 2, 2012

Use a Mobile Wireless MiFi Modem to Connect Your iPad Or Laptop to a Mobile Phone Network

If you have a WiFi enabled iPad or laptop but aren't in a wireless hotspot then a MiFi modem can be used to connect to the cellular/mobile phone network (3G or HSDPA signal) and create a wireless broadband hotspot so you can get online. Alternatively you can use a MiFi mobile wireless modem to connect up to 5 WiFi enabled devices to the cellular network which could get you online on your iPod Touch, Sony PSP, Nintendo DSi, netbook, mobile phone or other WiFi enabled devices all at the same time.

MiFi packages are available from numerous mobile phone carriers worldwide (such as 3-Mobile MiFi/Vodafone MiFi in the UK or Verizon/AT&T MiFi in the US) and various plans exist depending on if you want to sign up for a contracted period and pay a set amount per month for a regular data allowance or pay-as-you-go service. The pay-as-you-go plans may be more appropriate if you use the service from time-to-time as the data is more expensive but you only pay for what you need.

MiFi modems vary in size and shape but generally they're credit card sized and around 1cm thick. The MiFi modem is portable but equally substantial device that is like a very small mobile phone. Some also have a micro-SD slot so you can add your own SD card and use the device as a memory stick also.

Use a Mobile Wireless MiFi Modem to Connect Your iPad Or Laptop to a Mobile Phone Network

How to set up your mobile wireless MiFi modem

The following instructions relate to a Huawei E585 3G Wireless MiFi Modem (part of the 3 MiFi package from the 3-Mobile network provider in the UK)but other modems will work in a similar way.

Get the SIM in the modem by opening up the modem and slotting it in the SIM card slot behind the battery. You'll need to charge the modem for a long period initially to get it up and running (around 8 hours). You can do this by connecting it to the mains via an adapter plug, or alternatively you can charge by attaching it to a USB socket if you're using it to connect a laptop or other USB enabled device. Power up the MiFi modem using the on/off switch and give it 90-120 seconds to pick up the mobile/cellular signal. The modem's screen contains various icons giving you details of signal strength - all are pretty self explanatory and explained in detail on the instructions that come with the modem You then just connect to the usual WiFi signal on your iPad, laptop or other device and enter the login and password details provided by the carrier who you purchased the MiFi and data plan from.

If you struggle to get a strong signal then move around as network coverage can vary a lot even in the space of a few metres.

When you pick up a strong 3G or HSDPA signal you should get decent data speeds enabling you to stream YouTube videos and loaded web pages quickly. The performance is as any fast as you'd get on a smart-phone but not comparable to a high-speed home broadband connection. The signal strength largely depends on the cellular/mobile carrier you select and their coverage in the area you're trying to access the 3G or HSDPA network.

Battery life of the Huawei E585 3G Wireless MiFi Modem was generally around four hours when powered by the battery in the modem and in continuous use". But standby time is much longer so best to turn the modem off if not in use to prevent the power draining away.

To give you an idea of how far your data allowance will go. The 3-Mobile cellular network in the UK states that 1 GB of data should roughly allow you to browse the web for 10 hours, plus send 1000 emails, plus download 32 four minute music tracks, plus download 5 four minute videos. A lot will depend on what you use if for but simple websites such as Google with few images require very little data usage and video downloading on YouTube will take much more.

Mobile WiFi Summary

Your mobile wireless MiFi experience will largely depend on the cellular/network coverage in the area that you'll use it and watch out for hidden charges such as using the device abroad. All-in-all though, a MiFi modem is a great way to get online when you're out of range of a WiFi network and don't have a 3G connection built into your iPad, laptop or other wireless enabled device. MiFi modems also allow you to create one connection that a number of other devices can connect to and often the cost of the modem is far less than paying up front for a 3G enabled device.

Use a Mobile Wireless MiFi Modem to Connect Your iPad Or Laptop to a Mobile Phone Network
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Ted Summs runs and writes for the http://WhatTabletPC.com/ website that covers not just mobile wireless MiFi but also Apple iPad, tablet PC and e-reader reviews and news. http://whattabletpc.com/ is dedicated to helping people choose and use an iPad or the best tablet PC alternatives for their needs.

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