Surround Sound transmission technology from NTT DoCoMo

NTT DOCOMO, INC. announced that it has developed a highly efficient mobile spatial audio transmission technology that enables a mobile phone user to assign a spatial position to each sound source when listening to multiple sound sources, such as during a game or a conference call.

The technology enables a user listening with headphones to, for example, hear each speaker's voice as if it were coming from a unique direction, creating a virtual face-to-face communication environment.

DOCOMO, which is continuing to research and develop the technology for eventual commercialization, foresees applications including mobile conference calls, tele-education and online games.

While existing spatial audio transmission technologies independently process audio encoding/decoding and spatial audio synthesis, the new technology offers a more efficient method by integrating the two processes, thereby minimizing bitrate (or bandwidth) and computation loads suitable for mobile phones and other resource-limited devices.

The processes are collaboratively performed on both the server and client sides. The server identifies the important sound components of each speaker's voice, compresses them efficiently into a single stream and transmits it to the mobile phones. Each phone then decodes the received stream and simultaneously synthesizes spatial audio images

DOCOMO is demonstrating its new spatial audio transmission technology using docomo PRO series™ HT-01A handsets during Wireless Technology Park 2009 at Pacifico Yokohama on May 12 and 13.

iPhones in the War Zone

Tying the hands of a person who is speaking, the Arab proverb goes, is akin to "tying his tongue." Western soldiers in Iraq know how important gestures can be when communicating with locals. To close, open and close a fist means "light," but just opening a fist means "bomb." One soldier recently home from Iraq once tried to order an Iraqi man to lie down. To get his point across, the soldier had to demonstrate by stretching out in the dirt. Translation software could help, but what's the best way to make it available in the field?

The U.S. military in the past would give a soldier an electronic handheld device, made at great expense specially for the battlefield, with the latest software. But translation is only one of many software applications soldiers now need. The future of "networked warfare" requires each soldier to be linked electronically to other troops as well as to weapons systems and intelligence sources. Making sense of the reams of data from satellites, drones and ground sensors cries out for a handheld device that is both versatile and easy to use. With their intuitive interfaces, Apple devices—the iPod Touch and, to a lesser extent, the iPhone—are becoming the handhelds of choice.

The sheer versatility of the kit – with the capability of over 30,000 programmes – allows a huge variety of functions needed for operations ranging from providing language translations to the transmitting of sensitive information and working out trajectories for snipers. Projects are on the way to use them as guidance systems for bomb disposal robots and receivers of aerial footage from unmanned drone aircraft.

The US Marine Corps is funding an application that would allow soldiers to upload photographs of detained suspects, along with written reports, into a biometric database. The software would match faces, in theory making it easier to track suspects after they're released.

Members of the British military who have seen the Apple instruments in action drool about the opportunities on offer. The Ministry of Defence, however, remains wary of security implications and has "no plans" at present to go down the American path.

But Lieutenant Colonel Jim Ross, the director of the US Army's intelligence, electronic warfare and sensors operation, believes the iPod "may be all that the personnel need".

"What gives it added advantage is that a lot of them have their own personal ones so they are familiar with them," he said.

Another plus is the cost. The iPod touch (which soldiers can use over a secure WiFi network) retails for around $230 (£150) and the iPhone for $600. Bulk orders placed by the Pentagon bring further savings. The manufacture of a specific military model would be much more expensive.

Robert Emerson, a security analyst who has advised foreign governments on computerised warfare, said: "The US military has had a reputation for being somewhat heavy handed, with justice. But what they are doing with iPods and iPhones show they can also be nimble on their feet. Other militaries should learn to be equally open minded."

What actually are Smartphones?

Mobile industry is these days ruled by the word Smartphones. There is no doubt that 2008 was the year of the smartphone. The last 12 months has seen the launch of iconic devices such as the iPhone 3G, Google G1, Blackberry Storm and Nokia N97. Smartphones are by every means driving the mobile market.

I come across this term almost everyday and thought how actually we define a Smartphone or What is a Smartphone?

The word “Smartphone” is a newly minted term that is used to describe a Telephone-capable device that also provides information and data organization capabilities. They are similar in size, shape, and usage to normal cell phone but feature more extensive data organization software and web abilities. Smartphones are equipped with complete operating systems that determine what kinds of functions and applications are available for that device. They provide a convenient way to carry several hand-held digital devices in one body. They provide the data and contact organization of a PDA, connectivity of a cellular phone, along with advanced multimedia like access to email and can in most cases support web browsing.

What Can a Smartphone Do? Unlike traditional cell phones that restrict a user to the applications and features that are originally designed for and then fixed into the phone, Smartphones allow for significant user-customization. These full-fledged operating systems (of which there are several options to choose from) allow a user to customize, install, and configure applications to suit their individual needs. Along with the prerequisite phone capability, Smartphones typically perform all sorts of important and useful tasks.

Smartphones are very smart in personal Information Management (PIM): PIM is a whole category of software functions that organize personal information. A typical PIM suite includes a scheduler for events, and address book for contacts, and to-do list. PIM can also include email, text notes, voice notes, and alarms / reminders.

Syncing with Desktop and Laptop PCs: Many Smartphones are designed to communicate with full-fledged PCs. Aside from just being cool, this feature allows users to easily install, remove, change and configure the software that they choose to equip their Smartphone with. It also allows further synchronization with PIM software both on your phone and on your PC.

Instant Messaging (IM): Not every phone that provides IM capability is a smart phone. But almost every Smartphone has a keyboard that at least allows access to every letter of the alphabet for sending Text messages. Some Smartphones have a key for every letter; others designate several letters per key. Word recognition software and other smart features further improve the speed and accuracy of Text messaging on these kinds of phones.

Email Access: While there are plenty of non-Smartphones that provide internet and email access, this option is more complete (and configurable) on Smartphone devices. You can sync email with your PIM software both on your phone and on your PC, send, read, and organize email, all from your phone. In most cases, you won’t even need to be near a wireless hotspot, either.

Web Browsing: All Smartphones allow for some form of Internet access. Wireless Network Protocols, or the technique in which web information is sent and received over cellular networks, are grouped into different generations.

But the question which remains albeit is what Makes a Smartphone Smart?

Smartphones are capable of so many features normally reserved for the realms of PCs and powerful PDA devices because they are almost PCs and PDAs themselves. There are typically two schools of thought used when designing a Smartphone: Create a PDA with Telephone capabilities, or a Telephone with PDA capabilities. No matter what design elements went into Smartphones developmental stages, there are still two things that set these mobile wonders apart from their regular cellphone cousins.

As mentioned above a Smartphone differs from a regular phone in that it has a processor running inside it, much like a computer does. These processors are currently nowhere near the power of PCs, but with the advent and subsequent redesign of Ultra Portable PCs (sometimes called Micro PCs), we are sure to see great leaps in Smartphone speeds in the future. Current Smartphones commonly use ARM processors; a power-efficient design used in other devices like routers, printers, and advanced MP3 players. A Smartphone processor is aided by computer chips that help perform certain tasks. A Smartphone equipped with a Digital Camera has an Image Processing Sensor inside it, much like a regular digital camera. Features like Playing Digital Music, complex web browsing, and other such access smart functions are all made possible by these computer chips.

If Smartphones have Operating Systems (OS), then it stands to reason that they also have software applications, as well. Applications that are written for a specific Smartphone platform (Platform is a fancy reference to the OS) can run on a Smartphone with that particular platform, regardless of what manufacturer produces the phone.

Based on the above discussion there is no doubt the most important software on a Smartphone is the Operating System. This is because nothing will work without it. A Smartphone operating system manages the hardware and software on the device. Some OS cover the entire access Software Stack while others only provide the lower levels like the Kernel and Middleware. These OS versions rely on third party software platforms to provide User Interface Frameworks.There are several different Operating Systems available for Smartphones. Some are designed for manufacturer-specific Smartphones, others are open and can be used on any Smartphone that meets the minimum requirements. Following are some of the OS for the Smartphones.

• Symbian OS: Symbian OS is used in over 100 different makes and models of Smartphone. This Operating System contains only the Kernel and Middleware parts of its software stack. This means that users of the Symbian OS will rely upon other software platforms for the AEE and User Interface Frameworks. This allows significant customization by both Wireless retailers and consumers.
• Linux OS: There is something special about Linux. It is developed and written by the developer community rather than by a single company. This allows for maximum creativity and innovation for developers and those software-savvy consumers, but has one major drawback: it means that software, updates, and other applications written for Linux operating systems differ greatly from each other. This reduces compatibility, and thus originally caused developers to avoid Linux. That is now changing, but many Smartphone manufacturers prefer to stick with more universally accepted OS software.
• Windows Mobile: This is one of the few Smartphone OS that envelops the entire Software Stack. Much of the strengths of Windows mobile lie in its completeness and full compatibility with other Windows based systems.
• Java and Garnet OS

See also: Dumbphones, Featurephones, Smartphones, Superphones...

LTE-Advanced Presentations and White Papers

I have added some LTE-Advanced presentations and White papers to the 3G4G website. If interested, here is the link.

Powerful search functionality on 3G4G website

I just figured out yesterday that Google now allows to do very powerful customised searches. I have added a search box to the 3G4G website. Try it out (bottom of the page) for any 3G/4G or Mobile related searches here.

Bluetooth yet to become popular in Japan

Plen: The Bluetooth Controlled Robot

Interesting article from the Recent Signature Magazine:

Tokyo is the high-tech capital of a gadget-loving country. And yet, “consumer awareness and acceptance of Bluetooth technology has lagged in Japan,” according to Emma Naudo, an analyst at IMS Research, a U.K.-based firm that publishes an annual report on the subject.

Derek Soh is the Bluetooth SIG’s marketing director for APAC and Japan. He agrees with Naudo’s assessment, noting a Millward Brown study that showed only 60 percent of the Japanese population is aware of the technology, versus up to 85 percent elsewhere. This is puzzling, given that Japan has so many companies developing and pushing the technology. According to Soh, among companies represented in the Bluetooth SIG, Japan has the third-highest number of Bluetooth SIG Associate members after the United States and Taiwan, and it boasts the fourth-highest number of Adopter members.

So why is Bluetooth technology under performing in a land that is often the first to embrace the latest technology?

“Headset-to-handset connection has been Bluetooth technology’s biggest driver in handsets,” says Alex Green, also of IMS Research. “So if the headset market hasn’t taken off in Japan, it’s going to reduce the demand for Bluetooth in handsets.”

In Europe and the United States, concerns about the health effects of cellphone usage and laws against using mobile handsets while driving fueled the proliferation of wireless headsets. However,in Japan people tend to spend less time driving and more time taking public transit. There is also a cultural preference for mobile text messaging over making voice calls. While the Japanese government enacted stiffer penalties in 2004 for driving while talking on a cell phone, the uptick in Bluetooth enabled headset sales has been modest. “Headsets just don’t appear to be available in as many retail outlets as in other countries,” says Green.

According to Mihoko Kasuga, an executive with SoftBank Mobile, the nation’s third-largest and fastest growing mobile phone service provider, Japanese consumers see Bluetooth technology more as an added bonus than an essential feature. For transferring data, infrared comes standard on most handsets and is the preferred method of quickly exchanging contact details. Mobile phones also have dedicated e-mail addresses, and Japan’s high-speed 3G networks facilitate data transmission.

But there is light on the horizon. “The number of Bluetooth enabled handsets in Japan is forecast to grow from just under 20 million—30 to 40 percent of those shipped—in 2007 to over 60 million, 80 percent, in 2013, a CAGR (compound annual growth rate) of 24 percent,” says Naudo.

In addition to more headset use, there are other reasons for the optimistic forecast. “Streaming music services over mobile networks, such as Japan’s Chaku Uta, will be key drivers of Bluetooth inclusion in cellular handsets,” predicts Andy Bae, a senior analyst at New York-based ABI Research.

Bluetooth technology is making inroads in several other Japanese sectors as well. The auto industry is installing the wireless specification in more and more new cars. “Japanese automakers have lagged behind their European and U.S. counterparts in adopting Bluetooth technology, but now they are beginning to catchup,” noted an article in The Nikkei Weekly, a business newspaper published in Tokyo.

Says Green at IMS Research, “We estimate that around 24 million Bluetooth chips were used by automotive companies in 2007,” although he added that “only around 10 percent of cars produced in 2007 had Bluetooth technology built in at the point of production.” That has opened up a new market for after market products like hands-free kits, navigation devices and A/V systems.

Another sector where Bluetooth technology may see further success in Japan is video games. “In 2007, total shipment volume of Bluetooth enabled gaming devices such as the Nintendo Wii and Sony PS3 surpassed that of Bluetooth enabled headsets – amazing!” says Soh.

Finally, several companies, including Toshiba, will begin rolling out Bluetooth low energy enabled devices aspart of a personal health care ecosystem by mid-2009, and many hope this effort will help familiarize Japanese consumers with the technology. (Click here for more on Toshiba and the Japanese health care market.)

With the ongoing updates to the Bluetooth core specification, developers are planning plenty of newproducts featuring the technology. Whether Japanese consumers will bite remains to be seen.

Beau Miller has lived in Tokyo for 17 years and is the editor of Metropolis, Japan’s weekly lifestyle and listings magazine for the English-speaking community.

TD-SCDMA ready to battle other 3G standards

Even though LTE standards have been released recently, China Mobile will be rolling out the pre-LTE, TD-SCDMA technology soon. The TD-LTE flavour of LTE will eventually supercede TD-SCDMA probably in couple of years.

China Mobile has decided to launch TD-SCDMA mobile handsets which will procured from three manufacturers. The telco has selected LG Electronics, ZTE and Yulong Computer Telecommunication Scientific (Shenzhen) as the suppliers of handsets. The manufacturers will offer four types of TD-SCDMA handsets to China Mobile of which two will be produced by Yulong Telecom. China Mobile will also keep aside CNY 650 million to finance TD-SCDMA terminal manufacturers’ R&D. The first batch of these handsets is anticipated to enter the market before 17 May.

By far, China Mobile has completed the second-phase TD-SCDMA network construction in 28 Chinese cities. And the batch of service-built-in mobile phones are expected to enter the market before May 17, 2009, when the three mobile telecom operators start full 3G services. In fact, China Mobile has put great efforts into TD-SCDMA terminals, in order to make a hit in the coming Chinese 3G telecom epoch.

Days ago, it announced the list of 29 types of TD-SCDMA service-built-in netbooks. Such netbooks with six brands like Lenovo, Dell, Haier, Founder, HP will be exclusively sold by the telecom operator. Earlier, it disclosed that it would set aside CNY 650 million to finance TD-SCDMA terminal manufacturers' R&D.

In addition, China Mobile plans to set up a TD-SCDMA industrial park in the eastern Chinese province of Zhejiang before 2011, involving a total investment of CNY 1 billion, said one of its executives.

In the first quarter of 2009, the company achieved operating revenue and net profit of CNY 101.269 billion and CNY 25.201 billion, up 9.2% and 5.2% year on year, citing its financial report.

By the end of March, the number of its subscribers had reached 477.16 million, representing a slowed growth of 19.91 million, due to a demand drop caused by the decelerating macroeconomic, squeezed space for mobile telecoms popularity increase, and intensified competition after a far-reaching asset reshuffle among the country's telecoms operators.

Besides, its average revenue per user (ARPU) was CNY 73 in the first three months, down CNY 10 from a quarter earlier, because of an increase in low-end users and application of a new charging plan.

This week, China Mobile Ltd announced the result of its third-round TD-SCDMA equipment bidding with a total contract value of RMB 8.6 billion, sources reported.

A total of eight companies won contracts in this round of TD procurement, including six domestic companies and two foreign firms.

Datang Telecom Technology Co Ltd and Alcatel Shanghai Bell Co Ltd together won a 23% share of the bidding. Huawei Technologies Co Ltd and ZTE Corp, two leading providers of telecommunications equipment and network solutions in China, won 20% and 18% respectively.

Meanwhile, another three domestic vendors, namely New Postcom, Fiberhome Telecommunication Technologies and Putian Group, won a combined 29% share of the bidding.
Nokia Siemens Networks and Ericsson Inc each took a 5% share of it.

China Mobile earlier said it plans to build TD-SCDMA networks in 200 Chinese cities by the end of this year.

Analyst Zhang Jun of China's Web MKI told PC World that China Mobile is currently evaluating phones from Dell, with a view to creating a co-branded product running the cellco's own software platform. The largest Chinese mobile operator is determined to retain the upper hand in the balance of power and brand with handset makers, and to take a Japanese-style level of active involvement in development. In particular, it has said it plans to create its own software platform, called Open Mobile System (OMS), based on Android but with specific operator variations at all layers, and it will also open an applications store to support this.

Such a scenario clearly requires one or more biddable handset partners, and Dell could well step in, alongside various Chinese suppliers, since it would gain such a major springboard for the mobile market via Mobile's huge user base. It would not only have to support the China-specific operating system, though, but would also have to incorporate the TD-SCDMA 3G standard, as well as GSM. Dell will also offer a TD-SCDMA netbook with the launch of its Inspiron Mini 10 in China this week.

According to Zhang, other vendors working on TD-SCDMA/OMS phones include Huawei, ZTE, HTC and Lenovo. The last of these should get to market first with the so-called OPhone.

Finally, Samsung Electronics intends to introduce its 3G mobile phones in China. The fifteen 3G mobile devices are part of the company’s new products in the second quarter. Products based on China’s TD-SCDMA standard include the B7702C dual-mode handsets, digital TV handsets, multimedia handsets and fashionable handsets. Products modified for China Unicom include the S7520U HSDPA-supported high-end multimedia mobile phones, online movie, internet, and music-supported mobile phones. The mobile phones customised for China Telecom include the W709, the M609, the W239, and theF539 models.

Why SMS are 160 characters long?

If you have ever wondered about the 160 character limitation on traditional text messages, you might be glad to know that it wasn't an arbitrary figure that was plucked out of thin air.

In figuring out the number of characters to be allocated for text messages, alone in a room in his home in Bonn, Germany, Friedhelm Hillebrand sat at his typewriter, tapping out random sentences and questions on a sheet of paper.

As he went along, Hillebrand counted the number of letters, numbers, punctuation marks and spaces on the page. Each blurb ran on for a line or two and nearly always clocked in under 160 characters.

That became Hillebrand's magic number and set the standard for one of today's most popular forms of digital communication: text messaging.

"This is perfectly sufficient," he recalled thinking during that epiphany of 1985, when he was 45 years old. "Perfectly sufficient."

The whole purpose of the SMS was that the messages to be short and precise towards the communication. Also the communications researcher realized that because of tight bandwidth constraints of the wireless networks at the time each message would have to be as short as possible.

Before his typewriter experiment, Hillebrand had an argument with a friend about whether 160 characters provided enough space to communicate most thoughts. "My friend said this was impossible for the mass market," Hillebrand said. "I was more optimistic."

How true he was towards all his optimism when text messaging has become the prevalent form of mobile communication worldwide. The biggest youth market of the world i.e India at the moment are sending more text messages than making calls on their cellphones.

Texting has been a boon for telecomms which lead the generation of healthy revenue for the operators where they can easily charge the customers some 20 to 25 cents a message.

Todays mobile phones offcourse are capable of transparently spreading a lengthier message across multiple text messages albeit at a higher cost to customers on most mobile phone plans.

Agilent in a three-pronged attack over LTE

Agilent have decided to launch an all-out attack with the view of proving themselves leaders of LTE technology.

Firstly, they released an LTE book just yesterday. The book will now be competing with four other very popular books on LTE already in the market. I managed to get an early preview of the book and I wasn't very impressed. There are nevertheless some sections which are very well written, containing unique information.

Secondly, Agilent are running some MIMO workshops and have released some very good presentations on MIMO on the web. You can download the material from the workshop here.

Finally, Agilent Technologies are to present three technical sessions at 2009 Informa LTE World Summit. Here is an extract from the press release:

Agilent Technologies has announced it will present three technical sessions and exhibit its LTE test application solutions at the fifth Informa LTE World Summit, Berlin, Germany, May 18-20. Agilent will exhibit its design-automation tools and flexible instrumentation for early LTE R&D design in components, base-station equipment and mobile devices.

The technical sessions are:
* MIMO Mia! -- What the Standards Didn't Tell You about MIMO;
* Honey, Who Shrunk My Mega Bits -- Practical Tips on Measuring Application Throughput in the Real World; and
* Doing Less with Moore - Challenges and Opportunities for Future Standards.

Agilent will exhibit its design-automation tools and flexible instrumentation for early LTE R&D design in components, base-station equipment and mobile devices.

The landscape is changing rapidly in mobile communications, combined with the challenges in global economies, yet LTE clearly is gaining momentum, said Benoit Neel, vice president and general manager of Agilent's Europe, Middle East and Africa field operations. Agilent remains fully committed to providing test solutions for the entire LTE development lifecycle -- from early RF and protocol development to conformance test and comprehensive, real-time network optimization and diagnostics.

Session highlights of Doing Less with Moore - Challenges and Opportunities for Future Standards, an LTE Summit workshop track on standardization presented by Moray Rumney, include:
* Examining trends in standardization
* Growing fragmentation and complexity, diminishing returns
* The growing gap between conformance testing and real life operation
* Opportunities for standards in an uncertain world
* Integration of macrocell and small cell technology
* Can femtocells do it all or do we need Wi-Fi

I am going to be there and am hoping to give youll detailed information on the event.

Is 'Toilet Locator' the next killer App?

I blogged earlier that Westminster city council in London using 'SatLav' service to guide you to nearest loo. Now according to news item The Daily Telegraph, UK, The trials and tribulations of searching for the nearest public toilet have been eliminated in Japan – with the launch of mobile phone software guiding users to the nearest lavatories.

The Check A Toilet programme, created by the software company Access Co, enables mobile phone users to search for maps highlighting the nearest public lavatory to their location.

From train stations and beaches to department stores and parks, the software lists thousands of maps highlighting the location of public lavatories, including details of their facilities such as baby changing areas, according to reports in Mainichi Daily News.

Users of the mobile lavatory locator are able to upload the free software from the Check A Toilet website whose lavatory location database stretches across Japan, from Tokyo to the northern city of Sapporo.

The software reflects the continually growing importance of mobile phones in every day life in Japan, home to the largest mobile phone market in the world.

Buying groceries, paying for train tickets and reserving cinema tickets are among a string of increasingly popular uses for mobile phones, 50 million of which are sold in Japan every year.

The Check a Toilet Widget, developed in cooperation with NPO Check, who created the toilet map, is a free download available for phones running Windows Mobile or Symbian S60. Entering your location in the search window brings up a map with the local lavatories indexed by number, with successive clicks revealing whether they are equipped for baby-changing or are barrier-free.

Finding toilets is a very important activity as I am sure everyone must have had a bad day when they need to go to one but cant seem to find one. There are many different ways in which local governments and application developers worldwide are trying to solve this important proble ;)

In Beijing (China), there are electronic maps at all public places with flashing lights showing public toilets. Beijing holds the world record for most public toilets in a city. Australian government has created a National Public Toilet map that can also be easily accessed via mobiles. In New York, USA, Diaroogle is serving as a premier toilet search engine. Have2P is a 'Restroom Locator and Everyday Lifesaver' app on iPhone.

Any more you know of? Feel free to add in the comments.