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Feb/22/2017 



On whole, Internet of Things (IoT) is alive and well. The development of
an IoT-predicated contrivance in which a vigilant can be sent to you wherever
you may be located if your car is about to be purloined. Utilizable, certainly;
though a technology that averts the car from being glommed at all will more
valuable. At any cost, rather than go through the details of the invention, I
cerebrated it would be better to indite about some fundamentals of IoT, with a
fixate on the state-of-the-art of this magical technology.



IoT, on which this column has indited a lot about - please refer to three
articles on this topic starting from that in the 11 May 2015 issue of Daily
Trust - has been considered by many to be the next sizably voluminous misconception
in IT. They have crudely defined IoT as the technology associated with the
embedding of a contrivance into physical objects and communicating with the
contrivance across the Internet. The contrivances include those for sensings,
such as GPS trackers, switches, temperature probes, cameras, and those for
actuating, such as valves, bulbs, and locks - most of which communicate
utilizing low-power radios, Wi-Fi, and cellularly denotes.





















It is consequential to recollect that the medium through which data is
transmitted is the Internet. An example given, data centers - infrastructures which
the house high-performance servers in the thousands or more in one location -
are voracious energy consumers, to the point that virtually a moiety of the
lifetime costs of data centers emanates from power consumption. Thus, the
desideratum to cope up with the energy in those installations is dire. Some
manufacturers have developed sensors that track the puissance utilization by
each server and deployed software for balancing computing loads and ephemerally
decommissioning servers and storage contrivances that are underutilized



The accumulated data is communicated through some network to the system
that processes the data. According to Santhi Sri, “Telecommunication network
acts as core host network which communicates between sensor and transmission
network, such as Wi-Fi, WiMAX technologies, and 2G, 3G, 4G, etc. An addressing
scheme like IPV6 to uniquely identify network contrivances is crucial.”  The protocol - or the set of rules and
regulations that are necessary for communicating in IoT - is varied from the
standard HTTP and TCP/IP, owing to the presence of contrivances and other difficulties.



One of the major issues that one has to contend with in IoT involves
handling the astronomically immense volume of amassed data, which will probably
be communicated to you via the cloud, to capitalize on massive storage
capacities that are available in typical data center installations. In
expansive deployments, such as those that accumulate and analyze
time-instantaneous data, an exorbitantly immensely colossal amount of data will
require being processed (analyzed) for business or manufacturing astuteness.
The bandwidth required for transmitting a colossal data across networks will
additionally have to be opposed with.



It is a lot risk associated with IoT in the area of security. For
example, transmitted data could be intercepted, while standard security
mechanisms do not directly go with IoT because of its heterogeneity. Saving
sensed and transmitted data at the back end should enhance data integrity
management. A copacetic resolution of the foregoing issues will certainly be
compulsory for you to access the benefits accorded by IoT.



Admin · 3 views · Leave a comment

Jan/05/2017 

In the last two decades, we have a big upward thrust in the quantity of persons owning cell phones. We feature them with us all over and we have become more and more used to connecting with our acquaintances, household, and industry colleagues nearly righ

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Dec/23/2016 


LTE 4G guarantees a higher end-client involvement with speedier information rates. In any case, the many-sided quality of new shrewd gadgets and new system innovation implies that to accomplish a consistent affair, broad testing of the gadgets, system and administrations preceding business sector presentation is expanding in significance.

At the point when a portable administrator dispatches another administration or move up to a current one, how does the system build guarantee everything cooperates end-to-end, conveying the administration endorses anticipate?

One common technique includes observing the system at various focuses and after that backhauling the information to a data centre where it is put away and examined disconnected. For breaking down legacy organizes, a day of activity may regularly require around 10TBs of capacity. Nonetheless, checking and the investigation is essentially additionally difficult as system information rates increment, with 10GbE getting to be distinctly standard to associate system hubs. One day's movement is presently more than 100TBs of capacity. With a specific end goal to profile or test the administrations over different day’s petabytes of capacity are required, which in itself requires complex huge information investigation and information mining to recuperate helpful data. As indicated by the Cisco Visual Networking Index (CVNI) worldwide versatile information movement will build 11-overlay somewhere around 2013 and 2018, achieving 15.9 exabytes for each month by 2018.

As systems now keep running at products of 10Gbps, versatile administrators are given various issues for test and examination, for example, throughput (information speed) that the "Catch" work needs to keep running at, a remarkable measure of required stockpiling and a high programming unpredictability for post-investigation.

Another common test and investigation technique are to introduce tests to catch information, delivering Petabytes of capacity, and outfit a major information examination suite to understand the information. Such frameworks as of now exist and serve different offices inside CSPs; this implies the test architect should:

 

  • Sit tight for a distributed time before the information is made accessible. 
  • Sit tight for the examination suite to confine the right information                                                                                                                                         

The option is to wisely and effectively channel movement before it is caught and broke down, or even better, channel and break down the activity progressively, putting away just those sessions or information streams that should be examined disconnected. As per CNVI, IP video activity will be 79 percent of all purchase Internet movement in 2018, up from 66 percent in 2013. So if a test architect is just inspired by non-video movement, the capacity prerequisite can be in a split second lessened by 79 percent by means of pre-sifting the video activity through.


The diminished requirement for information stockpiling permits test hardware to be littler and a great deal more compact, empowering the gear to be utilized over various locales. Anite has embraced this way to deal with LTE Evolved Packet Core (EPC) testing with its Triton, a hand compact test instrument for fourth Generation EPC systems with LTE/EPC screen, investigation, record, and playback. It inactively screens the EPC interfaces by associating through a 10GbE (or numerous) totalled optical link(s).




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Nov/09/2016 


Most of us have unfortunately at one time or another experienced poor mobile reception on the iPhone – The weak signal is commonly
due to factors outside of our control such as:

·  Distance from the radio mast

·  Interference caused by geographical factors such as hills, or living in a basement flat

Living in a rural location miles from anywhere, it’s quite possible you might only receive 2G and no 3G at all, but at least having a strong 2G signal is better than nothing. Here are a few things that you can do to boost your signal.

1.   Disable 3G:

                        It might sound strange, but turning off 3G can actually boost your signal because in the UK at least, there are more and stronger 2G signals available than 3G. This is fine if you just want to make some phone calls and send a few SMS messages, but not really that great if you want to do anything else such as surfing the web or sending an email. One major advantage of disabling 3G also is that your battery should last longer, but of course you won’t be able to enjoy high speed data.

Instructions to turn off 3G on your iPhone:

1.       Go to Settings

2.       Select General

3.       Select Mobile Data

4.       Turn off Mobile Data and Enable 3G

Now it’s worth checking your signal – hopefully it’s gained an extra bar or two.






2.    Removing the iPhone from the case:      

                      Removing your phone from the case can supposedly increase your signal strength, because most normal cases slightly dampen the signal from your iPhone. Putting your phone on a flat surface without the case will enable it to get the strongest signal possible. However, there are cases available that claim to actually boost your signal, such as those from case maker PongWe’ve not been able to try these out personally, but reviews on the Internet are quite positive.

                      Pong cases feature a cool design and claim to increase the signal as well as protecting you from radiation – and they’re quite rugged to boot. Besides such cases that enhance your mobile signal, there are also a few specialist cases available that boost your Wi-Fi signal only. This can be quite handy if you use Wi-Fi a lot but can’t quite lock onto weak signals in your area.

        3. Prefer to use a signal booster

                  One guaranteed way to improve your iPhone’s reception is to use what is known as a signal booster – typically a small device that you use at home to increase your signal strength. They work by boosting the radio waves between your phone and the transmitter, or by acting as a local mobile phone cell (connected to your home network) and are often called a femtocell. These act just like tiny base stations and can really help to improve the cell phone signal reception.

4.Put your iPhone in an empty glass:

                    We did say this would include some creative ways to boost your signal…apparently sticking your iPhone in an empty glass can vastly increase your signal strength. Having tried this method, I cannot really see a vast improvement but it is worth having a go somewhere you know has a poor reception.


5.      Use a signal finding App

                   There are several apps available on the App Store, which can help you find the strongest mobile, or Wi-Fi signals in your area, based on crowd-sourced data or information provided by the mobile phone companies. While they will not physically improve your reception with the touch of a button, such apps will
help you find the best location in order to get the best chance of a decent signal, without having to randomly walk around town. Additionally, it can be quite convenient knowing where the nearest Wi-Fi hotspot is located when you’re visiting somewhere new and need to get online quickly without 
racking up large mobile data charges

                     One such free application is called OpenSignal, which also has a few nifty built-in features such as a speed tester.



 


Admin · 6 views · Leave a comment

Oct/22/2016 

Cell signal reliability widely depends on cell tower proximity, building material and geography.

 

A reliable cell phone signal cannot be achieved by many indoor barriers along with the possibility that you've resided in a weak external signal area. Nowadays, there are several solutions provided to achieve the signal strength one such is your cellular signal booster. To determine the solution, you should initially ascertain the barriers present in your way.

 

Indoor locations face challenges such as Low-E glass windows, as well as concrete and metal building materials, which block RF signals. The interruptions may also be experienced by a different cell phone strengths within a building. The geographical barriers such as trees, mountains, and valleys are the prime reason behind weak signals. Eventually, distance from the cell tower plays a pivotal role.


Boosting the cell phone signal

 

  Strong Cell Phone Signal:

 

Signal strength readings are measured in dB and usually appear as a negative number (for example, -85dBm). The stronger the signal, the closer it gets to zero. An extremely strong signal would register at -50dBm, while an average signal would be between -65 and -85 dB. Signals that are at -90 to -100dBm typically result in dropped and missed calls. You can determine the area with the strongest cellular signal by following the directions below.


How to Measure your Cellular Signal Strength?

 

To measure the strength of your existing cellular signal you can do one of the following, depending on the make of your cell phone:

 

For Apple iPhones – Launching field-test mode: Dial 3001#12345# and press the call button. A field-test screen will appear, press the home button for a few seconds and your dB reading will appear in the upper left-hand corner.

 

For Android devices: download an application such as “Network Signal” in the Google Play Store to measure signal strength.

 

If you discover that your indoor signal is too weak to handle, you might look out for cellular signal boosters for your car, office or home. Sure Call with the advanced signal booster technology enhances the connectivity for people and businesses. From the asphalt jungle to those dusty back roads, we help both doers and dreamers stay connected and in-the-know. Go to: www.surecall.com.

 

 

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