OpenSignal

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With OpenSignal you can map cellular coverage, find Wi-Fi hotspots, test and improve your reception & get faster data. Signal compass points you in the direction your signal is coming from, just walk towards it! WiFi map allows you to easily locate nearby public networks. Coverage maps allow you see the best places for signal. Speedtest feature allows you to see the true speed of your connection (download, upload & latency) NetworkRank allows you to see which carrier is best in your area. Keep track of your monthly data, text and voice usage so you don’t go over your limit. …

HSPA Architectural Evolution

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With the advent of LTE we are experiencing high speeds over the packet network. But what about the legacy WCMDA network. Operators have invested a lot of CAPEX in setting up a network which can provide a coverage for WCDMA/HSPA. In this context, the HSPA evolution plays a quite important role. HSPA networks will form an integral part of future 3G systems and as they evolve, should provide a smooth migration path towards LTE. HSPA operators are just as interested in the potential performance and cost savings which may be achieved through HSPA Evolution as they are in the future LTE …

Wear Sunscreen

This piecewas presented as Kurt Vonnegut’s commencement address at MIT in 1997. It’s great stuff, but apparently it wasn’t written or delivered by Vonnegut. It’s still a beautiful piece…  Ladies and gentlemen of the class of ’97: Wear sunscreen. If I could offer you only one tip for the future, sunscreen would be it. The long-term benefits of sunscreen have been proved by scientists, whereas the rest of my advice has no basis more reliable than my own meandering experience. I will dispense this advice now. Enjoy the power and beauty of your youth. Oh, never mind. You will not …

RRC reporting events in WCDMA, UMTS

RRC Reporting events or Handover events are sent from RBS or UE to trigger the different handover procedures in the RNC. The genertion of handover events depend on the different RF parameters and thresholds. event 1A: A Primary CPICH enters the reporting range; addition of a radio link. event 1B: A primary CPICH leaves the reporting range; removal of a radio link. event 1C: A non-active primary CPICH becomes better than an active primary CPICH; replacement of the worst cell in AS. event 1D: Change of best cell event 1E: A Primary CPICH becomes better than an absolute threshold event …

Tea and Cigarette

“A Cigarette, Please” asked Tuhin. As he lit the cigarette he moved his sight from the cigarette vendor towards the road. The road was noisy. For a moment his eyes were fixed on the road but mind was wandering somewhere else until an unrecognized voice brought him back. “Hey” , his face moved towards the unrecognized voice, ” You look sad. I saw you coming from the hospital. Everything OK? ” Tuhin nodded , “My father, is admitted there.” and looked away, taking a deep inhale from the cigarette. “Oh , I am sorry , Is he alright ?” “Yeah …