Month: November 2018

NR-Secondary Synchronization Signal (SSS)

November 8, 2018

NR-Secondary Synchronization Signal (SSS) NR-Secondary Synchronization Signal: 5G-NR Secondary Synchronization Signal (SSS) is Physical Layer specific signal and help UE to get subframe boundary. It is similar to PSS, as it is also an m-Sequence. NR-SSS has following characteristics NR-SSS a m-Sequence made up of 127 Values SSS is mapped to 127 active sub carriers around […]

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NR-Primary Synchronization Signal (PSS)

November 8, 2018

NR-Primary Synchronization Signal (PSS) 5G-NR Primary Synchronization Signal (PSS) is Physical Layer specific signal and help UE to get Radio Frame Boundary. It is type of an m-Sequence which is a special type of LFSR (Linear Feedback Shift Register) sequence provides the longest non-repeating sequence. NR-PSS has following characteristics NR-PSS a m-Sequence made up of […]

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5G-NR Cell:Physical Cell ID

November 8, 2018

5G-NR Cell:Physical Cell ID Like LTE, 5G NR also has synchronization signal and known as Primary Synchronization signal (PSS) and Secondary Synchronization signal (SSS). These signals are specific to NR physical layer and provides following information required by UE for downlink synchronization. PSS provides Radio Frame Boundary ( Position of 1st Symbol in a Radio frame) SSS […]

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5G NR Reference Signals (DMRS, PTRS,SRS and CSI-RS)

November 8, 2018

5G NR Reference Signals (DMRS, PTRS,SRS and CSI-RS) To increase protocol efficiency, and to keep transmissions contained within a slot or beam without having to depend on other slots and beams, NR introduces the following four main reference signals. Demodulation Reference Signal (DMRS)  Phase Tracking Reference Signal (PTRS) Sounding Reference Signal (SRS) Channel State Information […]

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Android Detect Internet Connection Status

November 6, 2018

Android Detect Internet Connection Status Android how Detecting internet connection status in your app. This is very easy . In this article you will learn how to detect internet connection  in android app status manually and automatically. Using broadcast receiver, your app will be automatically notified when there is a change in network connection. Creating […]

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