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Will The TeraHertz Band Increase Wi-Fi Speeds?

December 9, 2016 by  
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Researchers have worked out a way to push Wi-Fi speeds to 34 Gbps using the TeraHertz band.

While greater bandwidth in the 300GHz and above band has been known for a while it is pointless because the range makes it a chocolate teapot.

Some researchers have managed to hit 100 Gbps but when it only works for a few centimeters it is not commercially viable.

Now boffins at the Tokyo Institute of Technology have got the technology to provide a great 34 Gbps speed with a decent range.

Naoto Oshimo, one of the scientists behind this latest test, said that “device performance is almost sufficient for short-distance wireless communication such as KIOSK downloads, which might be its first application”. By that they mean that they have managed 10 metres, almost OK for home use.

Oshimo believes that this technology will scale hugely in terms of the speed as well, and we could eventually be looking at topping the 1Tbps mark.

Courtesy-Fud

Can iOS Activation Lock Be Bypassed?

December 7, 2016 by  
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Two researchers report that they have discovered a way to bypass the activation lock feature in iOS that’s supposed to prevent anyone from using an iPhone or iPad marked as lost by its owner.

The first report came Sunday from an Indian security researcher named Hemanth Joseph, who started investigating possible bypasses after being confronted with a locked iPad he acquired from eBay.

The activation lock gets enabled automatically when users turn on the Find My iPhone feature via iCloud. It links the device to their Apple IDs and prevents anyone else from accessing the device without entering the associated password.

One of the few things allowed from the activation lock screen is connecting the device to a Wi-Fi network, including manually configuring one. Hemanth had the idea of trying to crash the service that enforces the lock screen by entering very long strings of characters in the WPA2-Enterprise username and password fields.

The researcher claims that, after awhile, the screen froze, and he used the iPad smart cover sold by Apple to put the tablet to sleep and then reopen it. This is supposed to restore the state of the tablet from where it was left off, in this case, loading the WPA2 screen again with the long strings of characters filled in.

“After 20-25 seconds the Add Wifi Connection screen crashed to the iPad home screen, thereby bypassing the so-called Find My iPhone Activation Lock,” he said in a blog post.

Hemanth said he reported the issue to Apple on Nov. 4, and the company is investigating it. He tested the bypass on iOS 10.1, which was released on Oct. 24.

Last week, a researcher named Benjamin Kunz Mejri, from German outfit Vulnerability Lab, posted a video showing the same bypass, but on the newer iOS 10.1.1 version.

Kunz Mejri’s method is similar and also involves overflowing the Add Wi-Fi form fields with long strings of characters but also requires rotating the tablet’s screen in order to trigger the crash after the smart cover trick.

Apple has not yet confirmed that issue and did not immediately respond to a request for comment.

Source- http://www.thegurureview.net/mobile-category/researcher-prove-ios-activation-lock-can-be-bypassed.html

MIT Researchers Triple Wireless Speeds

August 29, 2016 by  
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MIT researchers have uncovered a way to transfer wireless data using a smartphone at a speed about three times faster and twice as far as existing technology.

The researchers developed a technique to coordinate multiple wireless transmitters by synchronizing their wave phases, according to a statement from MIT on Tuesday. Multiple independent transmitters will be able to send data over the same wireless channel to multiple independent receivers without interfering with each other.

Since wireless spectrum is scarce, and network congestion is only expected to grow, the technology could have important implications.

The researchers called the approach MegaMIMO 2.0 (Multiple Input, Multiple Output) .

For their experiments, the researchers set up four laptops in a conference room setting, allowing signals to roam over 802.11 a/g/n Wi-Fi. The speed and distance improvement is expected to also apply to cellular networks. A video describes the technology as well as a technical paper (registration required), which was presented this week to the Association for Computing Machinery’s Special Interest Group on Data Communications (SIGCOMM 16).

The researchers, from MIT’s Computer Science and Artificial Intelligence Lab, are: Ezzeldin Hamed, Hariharan Rahul, Mohammed Abdelghany and Dina Katabi.

Courtesy-http://www.thegurureview.net/mobile-category/mit-researchers-develop-technique-to-triple-wireless-speeds.html

Courtesy-http://www.thegurureview.net/mobile-category/mit-researchers-develop-technique-to-triple-wireless-speeds.html

Intel And Nokia Joining Forces

July 7, 2016 by  
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Nokia is teaming up with Intel to make its carrier-grade AirFrame Data Center Solution hardware available for an Open Platform Network Functions Virtualization (OPNFV) Lab.

Basically this means that the hardware can be used by the OPNFV collaborative open source community to accelerate the delivery of cloud-enabled networks and applications.

Nokia said the OPNFV Lab will be a testbed for NFV developers and accelerates the introduction of commercial open source NFV products and services. Developers can test carrier-grade NFV applications for performance and availability.

Nokia is making its AirFrame Data Center Solution available as a public OPNFV Lab with the support of Intel, which is providing Intel Xeon processors and solid state drives to give communications service providers the advantage of testing OPNFV projects on the latest and greatest server and storage technologies.

The Nokia AirFrame Data Center Solution is 5G-ready and Nokia said it was the first to combine the benefits of cloud computing technologies to meet the stringent requirements of the telco world. It’s capable of delivering ultra-low latency and supporting the kinds of massive data processing requirements that will be required in 5G.

Morgan Richomme, NFV network architect for Innovative Services at Orange Labs, OPNFV Functest PTL, in a release. “NFV interoperability testing is challenging, so the more labs we have, the better it will be collectively for the industry.”

AT&T has officially added Nokia to its list of 5G lab partners working to define 5G features and capabilities. It’s also working with Intel and Ericsson.

Courtesy-Fud

Has The Smartphone Bubble Busted?

June 22, 2016 by  
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After sliding its slide-rules, flicking its abacus, and counting its toes, the bean counters at Gartner have decided that the smartphone business bubble has burst splattering in the face of those who depend on it.

Big G says the market will shrink from 14.4 per cent growth in 2015 to just 7 per cent in 2016 — with only 1.5 billion smartphone units being shipped globally this year. Compair this with 2010, when Gartner notes the market grew 73 per cent.

However the signs have been obvious for about a year. Mature Western markets saturated, China’s growth engine slowing as demand has topped out and other markets unable to afford the higher margin gear. The smartphone has come to the end of its ability to provide new technology too with companies only able to offer incremental upgrades. Carriers are moving away from subsidizing upgrades which means that them wasting their own profits to prop up the likes of Apple are over.

In emerging markets it says the average lifetime of premium phone is between 2.2 and 2.5 years, while basic mobiles have an average lifetime of three years and up.

Gartner sees the biggest remaining opportunity for smartphone growth in India, noting that sales of feature phones — aka dumbphones — accounted for a majority (61 per cent) of total mobile device sales last year, leaving plenty of scope for upgrades as smartphones continue to become more affordable.

It is estimating 139 million smartphones will be sold in India this year, growing 29.5 per cent year-over-year. It notes the average selling price of mobiles in the country remains below $70, and it expects smartphones priced under $120 to continue to contribute around half of overall smartphones sales there this year.  Apple’s hope that it can save its flailing business numbers by selling into India show the complete lack of understanding of how that market is working. It is tending to favor small local smartphone makers like Intex.

China is going to offer Apple no help either Gartner is expecting “little growth” in the region in the next five years. IT says it is “saturated yet highly competitive” market. Smartphones represented 95 per cent of total mobile phones sales last year.

Gartner analyst Annette Zimmerman said that “non-traditional” vendors in China could do well and thinks that by 2018 at least one such phone maker will be among the top five smartphone brands in the country.

“Chinese internet companies are increasingly investing in mobile device hardware development, platforms and distribution as they aim to grow their user bases and increase user loyalty and engagement,” she said.

The Sub-Saharan African region is also couched as an attractive region for smartphone vendors, with smartphone sales only overtaking mobile phones sales there for the first time last year. Nokia brand licensee and newly formed smartphone OEM HMD will want to take note, given it has paid for the right to build feature phones (and smartphones) bearing the previously iconic Nokia brand name.

Courtesy-Fud

Is Apple In A Free Fall?

May 26, 2016 by  
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Apple shares are continuing to fall as more investors realise that the share price is not going to go up any more.

For a while now people have been buying Apple shares with the expectation that they will always go up. This always was largely based on a fantasy created by the Tame Apple Press that assumed the company would keep coming up with new technology ideas which would always be successful.

However lately Apple has not come up with any new ideas and has taken to re-issuing its old phone designs. It has also been floundering in its key Chinese market. The company’s only new idea has been for content creation through its Apple Music streaming brand. The only problem with that is that the software has been killing off user’s iTune libraries.  It has also been banned in China which means that hopes that Apple would make money there are still thwarted.

Shares of Apple dropped below $90 on Thursday for the first time since 2014 as Wall Street worried about slow demand ahead of the anticipated launch of a new iPhone later this year. Some more reasonable analysts even think that the iPhone 7 is going to be a disaster because it lacks any new tech and has the same design as the poor performing iPhone 6S

Component suppliers in Taiwan have confirmed that they have received fewer orders from Apple in the second half of 2016 than in the same period last year.

Rosenblatt Securities analyst Jun Zhang saidt that investors were getting negative data points about component orders and production forecasts, and the features on the new iPhone do not seem to be a big change from the 6S.

Apple briefly relinquished its position as the world’s largest company by market capitalisation to Alphabet – oh the horror.

At the close, Apple and Google each had market values of about $495 billion, according to Thomson Reuters data. In the past year, Apple’s market capitalization has fallen by more than $200 billion. Which just goes to show this whole value thing was an illusion.

Suppliers of iPhone components also fell, with Skyworks Solutions off 4.54 percent, Broadcom down 1.95 percent and Qorvo declining 1.76 percent.

Revenue from China slumped 26 percent during the March quarter. Apple faces increasing competition from Chinese manufacturers like Xiaomi and Huawei selling phones priced below $200, Rosenblatt’s Zhang said.

Last week, Dialog Semiconductor, which sells chips used in iPhones and other smartphones, cut its revenue outlook due to ongoing softness in the smartphone market.

The Tame Apple press is trying to do its best to find analysts who recommend buying the stock claiming it is too cheap.However how much should you pay for an outfit which has milked its cash cow and has nothing new on the horizon.

Courtesy-Fud

Is Qualcomm Facing Another Security Flaw?

May 19, 2016 by  
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FireEye has found a vulnerability in Qualcomm software packages which are under the bonnet of hundreds of Android phone models.

Google announced this week that it released an Android update to patch shedloads of vulnerabilities, but the advisory mentioned an information disclosure vulnerability in the Qualcomm tethering controller (CVE-2016-2060) that allows a malicious application to access user information.

FireEye said that this vulnerablity is “high severity,” but Google noted that it does not affect Nexus devices. The patch for the issue is not in the Android Open Source Project (AOSP) repository but might make it in the  latest driver updates for affected devices.

The security outfit said that researchers informed Qualcomm about the vulnerability in January and the vendor developed a fix by early March, when it started reaching out to OEMs to let them know about the issue. Now it’s up to the device manufacturers to push out the patch to customers. So probably a long time then.

The flaw exists in an open source software package maintained by Qualcomm and is related to the Android network daemon (netd).

“The vulnerability was introduced when Qualcomm provided new APIs as part of the ‘network_manager’ system service, and subsequently the ‘netd’ daemon, that allow additional tethering capabilities, possibly among other things,” FireEye said.

The flaw has been confirmed to affect devices running Android 5.0 Lollipop and earlier, which currently account for roughly three-quarters of Android devices. Researchers noted that the affected Qualcomm software package is used in a variety of projects, including the popular CyanogenMod, and the vulnerable APIs appear to have been around since at least 2011.

The vulnerability can be exploited to escalate privileges to the built-in “radio” user, which has permissions that are normally not available to a third-party app. The most efficient way to exploit CVE-2016-2060 is via a malicious application that is granted the “ACCESS_NETWORK_STATE” permission.

Courtesy-Fud

Do Smartphones Cause Cancer?

May 18, 2016 by  
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It is looking incredibly unlikely that mobile phone use is giving anyone cancer.  A long term study into the incidence of brain cancer in the Australian population between 1982 to 2013 shows no marked increase.

The study, summarized on the Conversation site looked at the prevalence of mobile phones among the population against brain cancer rates, using data from national cancer registration.

The results showed a very slight increase in brain cancer rates among males, but a stable level among females. There were significant increases in over-70s, but this problem started before 1982.

The figures should have even been higher as Computed tomography (CT), magnetic resonance imaging (MRI) and related techniques, introduced in Australia in the late 1970s can spot brain tumors which could have otherwise remained undiagnosed.

The data matches up with other studies conducted in other countries, but in Australia all diagnosed cases of cancer have to be legally registered and this creates consistent data.

The argument that mobile phones cause cancer has been running ever since the phones first arrived. In fact the radiation levels on phones has dropped significantly over the years, just to be safe rather than sorry. However it looks like phones have had little impact on cancer statistics – at least in Australia.

http://www.thegurureview.net/mobile-category/do-smartphones-cause-cancer.html

T-Mobile Revenue Up

May 6, 2016 by  
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T-Mobile US Inc reported a better-than-expected 10.6 percent rise in quarterly revenue and raised its forecast for customer additions in 2016 as popular discounts aided the No.3 U.S. wireless carrier by subscribers attract more business.

T-Mobile has been offering cheaper leasing plans and free music and video streaming to lure customers away from larger rivals Verizon Communications Inc and AT&T Inc.

T-Mobile, controlled by Deutsche Telekom, said it added 2.2 million customers on a net basis in the first quarter ended March 31.

That easily topped the average analyst estimate of 1.72 million, according to research firm FactSet StreetAccount.

The company said it expected to add 3.2 million to 3.6 million postpaid customers on a net basis in 2016, compared with its previous forecast of 2.4 million to 3.4 million.

T-Mobile’s 10.6 percent jump in quarterly revenue to $8.6 billion suggested its strategy to boost revenue was working. Analysts on average had expected revenue of $8.43 billion, according to Thomson Reuters I/B/E/S.

In comparison, market leader Verizon’s operating revenue rose just 0.6 percent to $32.17 billion.

AT&T is scheduled to report results later on Tuesday.

T-Mobile reported net income of $479 million, or 56 cents per share, for the first quarter, compared with a loss of $63 million, or 9 cents per share, a year earlier.

Source-http://www.thegurureview.net/mobile-category/t-mobile-revenue-up-continues-attracting-new-customers.html

Did Researchers Create Lifetime Batteries?

May 4, 2016 by  
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Researchers at the University of California at Irvine (UCI) have accidentally – yes, accidentally – discovered a nanowire-based technology that could lead to batteries that can be charged hundreds of thousands of times.

Mya Le Thai, a PhD candidate at the university, explained in a paper published this week that she and her colleagues used nanowires, a material that is several thousand times thinner than a human hair, extremely conductive and has a surface area large enough to support the storage and transfer of electrons.

Nanowires are extremely fragile and don’t usually hold up well to repeated discharging and recharging, or cycling. They expand and grow brittle in a typical lithium-ion battery, but Le Thai’s team fixed this by coating a gold nanowire in a manganese dioxide shell and then placing it in a Plexiglas-like gel to improve its reliability. All by accident.

The breakthrough could lead to laptop, smartphone and tablet batteries that last forever.

Reginald Penner, chairman of UCI’s chemistry department, said: “Mya was playing around and she coated this whole thing with a very thin gel layer and started to cycle it.

“She discovered that just by using this gel she could cycle it hundreds of thousands of times without losing any capacity. That was crazy, because these things typically die in dramatic fashion after 5,000 or 6,000 or 7,000 cycles at most.”

The battery-like structure was tested more than 200,000 times over a three-month span, and the researchers reported no loss of capacity or power.

“The coated electrode holds its shape much better, making it a more reliable option,” Thai said. “This research proves that a nanowire-based battery electrode can have a long lifetime and that we can make these kinds of batteries a reality.”

The breakthrough also paves the way for commercial batteries that could last a lifetime in appliances, cars and spacecraft.

British fuel-cell maker Intelligent Energy Holdings announced earlier this year that it is working on a smartphone battery that will need to be charged only once a week.

Did Researchers Create Batteries That A Lifetime? : :: TheGuruReview.net ::

Courtesy-TheInq

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