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Computer scientists are developing ways to use mobile phones to exchange data without using the phone’s network, instead of communicating directly with cellular towers, base stations, and the occasional wireless network.

These scientists  believe that spreading data virally could open up a whole new manner of applications on peer-to-peer mobile device networks, known more formally as “pocket-switched networks.” Such an ad hoc network–sort of a Sneakernet on steroids–could allow victims of a natural disaster to pass messages from one person to another even if the cell towers are destroyed. In another scenario, visitors to specific locations could have important information forwarded to them via the local folks’ devices. And groups of friends could poll each other on where to eat dinner that night, without using the Internet.

Technologies such as pocket-switched networks are a form of delay-tolerant networking, such as the Interplanetary Internet. Delay-torrent networks are part of a class of infrastructure that includes any collection of occasionally connected nodes that could be disconnected from the network for a long time and forward messages opportunistically.

Pocket-switched networks typically consist of a sparse collection of devices that are disconnected much of the time and are, of course, mobile. Communications are accomplished through Bluetooth or wireless connections between devices using a publish-and-subscribe technique dependent on the content preferences of the device’s owner.

“It is an infrastructure-less approach,” says Kevin Fall, a principal engineer at Intel Research Berkeley and an expert on delay-tolerant networking. “You don’t need base stations, you don’t need cell towers, you just have to carry around a device that can connect to other devices.”

Yet, what the technology does not have is simplicity. Crowcroft and his team from the University of Cambridge hope to solve that problem.

Via Technology Review. Read more after the break.

. Last week, the research group unveiled a programming language designed to make developing complex programs far simpler. The language, known as the Data-Driven Declarative Networking (D3N) language, allows simple programs to take advantage of inherent characteristics of pocket-switched networks, including asynchronous communications and simple-to-express queries. The language is declarative, allowing the programmer to focus on the application logic instead of the algorithms specific to pocket-switched networks.

“One of the goals is to keep it very simple so that people can make very complex, very interesting applications easily,” Crowcroft says.

The D3N language is based on the F# project from Microsoft. The language adds concurrency control to handle the ad hoc nature of exchanging data between a variable number of asynchronous nodes. Query and pattern-matching functions make it easy to select data from the nodes available in the local peer-to-peer network.

Last year, a group of researchers built a different programming framework, known as Haggle, for pocket-switched networks. The Haggle library adds collections of code to support manipulating data on pocket-switched networks using a variety of platforms, including Windows and Windows Mobile, Mac OS X and iPhone, Google’s Android, and Linux.

The difference between Haggle and D3N is whether the intelligence–the knowledge of how to interact with pocket-switched networks–is inherent to the language or in a separate code library. D3N builds knowledge about the way pocket-switched networks work into the programming language. This makes programming for pocket-switched networks simpler. Programs written in D3N can, for example, grab data from the network with a simple command. Developers working with Haggle can still grab that data, but the programming is more complicated.

The daily times report (with some obvious errors corrected – it was full of mistakes) states:

China Mobile Pakistan has planned to maximise the coverage capacity of its cellular phone operator-Zong-by increasing its number of cellular sites up to 9,000 across the country with an investment of $500 million by the end of 2009.

According to Pakistan Telecommunication Authority (PTA), the country had overall 26,300 cellular sites by the end of 2008. Five operators have added 8,966 networking sites in the first half of the current fiscal year 2008-09.

The Chinese company has invested $1.66 billion so far in Pakistan, including $600 million invested in the closing fiscal year 2008-09, which is a handsome contribution to foreign direct investment (FDI) in telecommunication and IT industry.

According to the officials, the company will invest more to increase its number of services and sale centres across the country that would also generate more number of job opportunities.

All Facebook users who also carry a BlackBerry must rejoice and should try out version 1.6.0.17 that is out now and is available to download. Simply go to the existing Facebook application and select to upgrade. If you don’t have the app on your BlackBerry phone already, you can download it from here. I have been using the Facebook app on my BlackBerry for a while now but it always lacked many features and the wap site m.facebook.com was always better. I’ve also been trying some third party tools like shozu and snaptu for Facebook access but none of them have been as simple, comprehensive and convenient as the wap site. This time, the development team has done the job very well and has given a feature boost to the application and now I don’t use the wap site anymore.

The new features include:

• A new and improved home screen that shows status updates.
• You can comment on these statuses
• A new “View Highlights” screen that shows photos posted by users, status updates, wall posts, photo comments, relationship status changes, phone number changes and a bundle of other updates.
• Capability of commenting from the above mentioned “View Highlights” screen.
• An improved Notification page

• An improved Friend’s list that allows, not only to poke and message friends, but lets you call them, view their profile.
• The user profile screen that lets you view updates from a friend and yes, my favorite, browse and view the albums and photos
• An amazing album and photo gallery? Watching photos from Facebook friends’ albums is a charm on this app. Did I mention that already?
• Photo gallery allows you to browse and scroll through the photos, zoom into the photos and set photos as the BB home screen.

View Profile —– Upload and Tag Photos

All existing features including poke, message, write on wall, invite friends, tag and upload photos etc are also there and are complemented by the new features and they complement the new features too.

The app also allows you to sync your Facebook and Blackberry contacts. You can connect Facebook profiles with existin entries on your Blackberry contacts, you can request phone numbers of Facebook friends and you can also search for people in your Blakcberry contacts on Facebook and add them up.

Following wizard came up on my web-based Facebook when I logged in just after installing the new Facebook app on my Blackberry.

You can watch the usage video posted below to get an idea of the new feature’s working.

Lets take a look at what components and technologies are involved in building a telematics solution.

• Hardware – TCU (Telematics Control Unit) – a box which is placed in the car and has GPS
• Connectivity for voice (call center) and data (GSM or CDMA for sms and TCP/IP data)
• Software (server-side platform which manages the entire solution)
• Services and applications (e.g. speech recognition, POI data, call center)

Overall building a telematics solution is very much like a systems integration work. From connecting the hardware to data centers, managing the wireless data and voice, providing the information to a specialized call center and coordinating the response with different types of providers (emergency, police, roadside assistance, insurance etc). Protocols are defined to communicate between different components and to handle messages in SMS format or to handle packet data.

Most common scenario of telematics is when a car is in accident. Modern TCUs can sense the crash and send the data automatically to the system, alerting a call center about the crash severity and the location. Emergency help can thus be sent. Other scenario is when a person gets stranded on a road and needs help, then the SOS button in the car is pushed and a call is initiated to the call center from the car. Of course a wireless signal is needed for the TCU to dial out. Similarly a call center can call back the car.

Fleet tracking (commercial vehicles – taxis, buses, company vans, trucks etc) is another big area where the cost of telematics is justified because of business advantages.

In developing countries, services such as stolen vehicle alert and location could be useful. Since a vast majority of the cars do not come with the hardware, retrofitting of cars with TCU/GPS units will be most common. Once there is connectivity and a way to send data over the air, many different solutions can be built. You can have a geo-fence application which can alert you if your car moves out of a certain radius. Parents can track the movement of the car when their kids are driving. Of course the modern cars have many sensor built into the car so one can imagine all kinds of automobile data being sent over the air. Vehicle data can be used for troubleshooting, diagnostics and maintenance alerts.

In Pakistan there are a few companies and groups working on telematics (perhaps as distributors of foreign hardware makers) but the market is not ready for massive adoption – most probably due to hardware cost, complexity of building solutions and the limited number of people who are willing to pay for such service. It usually takes the car makers a few years to plan out a complete telematics solution so we might see something in the next 2-3 years in limited models. At least a good and affrodable telecom and wirless infrastructure is in place in Pakistan to support the telematics services. There is plenty of activity in this area in India.

More info: here’s link from Wipro and a description at HowStuffWorks.

Launches largest wireless broadband Internet service in Pakistan

Doha, June 30, 2009: wi-tribe, a Qtel Group company, today announced the official launch of its wireless broadband service in Pakistan, its largest market to date. The launch phase will include the cities of Karachi, Islamabad, Lahore, and Rawalpindi.

“Today, a new milestone is achieved in the evolution of wi-tribe and the realization of our vision to become one of the top 20 telecom players by 2020,” said Sheikh Abdullah Bin Mohammed Bin Saud Al-Thani, Chairman of The Qtel Group. “Following our launch in Jordan, Pakistan marks a major stepping stone towards our expansion strategy and our intention to leverage the scale and strengths of The Qtel Group in order to deliver the latest technologies to our customers and continue to enhance services across our operations,” added Sheikh Abdullah.”

Dr. Nasser Marafih, CEO of The Qtel Group and Chairman of wi-tribe, commented: “Consumer broadband is at the heart of the Qtel Group strategy and a major pillar of growth. The launch of wi-tribe in Pakistan is a very important moment for all of us at The Qtel Group as it reflects a major stepping stone towards our commitment to bring broadband wireless access to more people, to connect individuals and businesses more easily and to improve access to the internet in all new and emerging markets.

“Broadband penetration levels in new emerging markets are currently very low compared to markets in the region. However, consumer demand for wireless services is growing at a fast pace. So we will continue to focus on this area in the future as we see good business opportunity and significant growth potential,” added Dr. Nasser.

Shaikh Abdulrahman Ali Al Turki, Chairman and CEO of A.A.Turki Group A.A. Turki Group of companies (ATCO), commended on the growth and success achieved by the wi-tribe group stating, “At ATCO we are extremely pleased with wi-tribe’s developments since its establishment in 2007. The addition of Pakistan to our tribe is proof of our firm commitment to bridge the digital divide and bring to emerging markets the best in connectivity and ease of access. It is about time these markets got excellent quality service.”

“wi-tribe uses WiMAX technology to provide customers with the advantage of broadband internet access wirelessly, giving them the option of accessing the internet whenever and wherever they choose within the network area,” commented Sami Hinedi, CEO, wi-tribe Group. “We strongly believe in improving the lifestyle of our customers by understanding their needs and offering them the best personalized customer experience. We want to provide solutions that are simple, easy and valued by individuals, businesses and the Government,” he added.

wi-tribe is a focused and dedicated consumer wireless broadband provider and will offer instant connectivity with applications tailor-made and simplified to accommodate the needs of every customer. The wi-tribe service will deliver broadband internet access through the ‘plug in and play’ option offering speeds of 256Kbps, 512 Mbps, and 1 Mbps. The process of becoming a wi-triber is extremely simple and beneficial. The wi-tribe service uses an efficient and highly effective plug and play modem which provides online access on the go. Internet users in Pakistan will experience the best in consumer wireless broadband service and wi-tribe’s unique customer care experience.

The official website has details for packages that wi-tribe is offering in Pakistan.

With this launch the WiMAX competition will definitely boom in Pakistan.

Those who have used the wi-tribe services, do share your experience with us.

Qubee is a new and exciting company providing fast, reliable and competitively priced broadband internet services to residential and business customers across Pakistan. We believe that everyone should be able to enjoy trouble-free access to the internet and the world of opportunities that it brings. Our aim is to make a magical internet experience available to everyone, everyday, without exception.

Qubee is the creation of a group of global telecoms professionals who saw that a new technology called WiMAX could really change the internet experience for millions of people worldwide.

The details of the tariff and packages offered is not yet mentioned on their website, www.qubee.com.pk.

They are starting in Karachi, but quickly plan to expand thier network and cover other cities nationwide. The current coverage area for Qubee can be seen on the following link.

Qubee’s launch right after the launch of wi-tribe reminds me of the year 2005 when at the GSM front we saw Warid following Telenor’s launch. Nevertheless Qubee will bring on-air the fourth WiMAX operator of Pakistan, the other three being Wateen, Mobilink Infinity and the recent Wi-tribe. Will this start a price/data-rate war among the WiMAX operators? This will only become clear with time.