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What is URA and URA_PCH state? 28 May 2012 | 06:34 pm
URA or UTRAN Registration Area is a colection of cells that are used for fast moving UE’s in Connected mode when they are not transferring any data. In this case the UE is in CELL_PCH state. Everytime...
Difference Between HLR and VLR 7 Sep 2011 | 07:17 pm
HLR vs VLR Home Location Register (HLR) and Visitors Location Register (VLR) are databases that contain the mobile subscriber information as per the GSM architecture. In general there is one central ...
Difference Between WiMAX and Wifi 7 Sep 2011 | 07:12 pm
WiMAX vs Wifi WiMAX and Wi-Fi are both wireless technologies but Wi-Fi can only be operated in short ranges (Max 250 m) and WiMAX could be operated in long ranges (around 30 Km). WiMAX has fixed and ...
Difference Between LTE and WiMAX 7 Sep 2011 | 07:08 pm
LTE vs WiMAX LTE (3GPP Long Term Evolution) and WiMAX (Wireless Interoperability for Microwave Access) are high speed 4G wireless technologies. 3G growth ends at HSPA+ and mobile operators started de...
Difference Between 3G and 4G Network Technology 7 Sep 2011 | 07:06 pm
3G vs 4G Network Technology | LTE and WiMAX | 3G vs 4G Speed, Frequencies and Features Compared | Battery Life more in 3G 3G and 4G are wireless communication technology classifications by certain st...
Difference Between 4G and LTE 7 Sep 2011 | 07:00 pm
4G vs LTE 4G, known as 4th generation of mobile communications, and LTE (Long Term Evolution) are 3GPP specifications for mobile broadband networks. Different eras of mobile communication are categor...
What is the main functions of Twin TMA – Tower Mounted Amplifier 27 Jun 2011 | 10:55 pm
The main functions of Twin TMA is to decrease the noise as well as enhances the BTS receiver sensitivity and bring advantages for BTS coverage as follows: 1. Balance Uplink and Downlink 2. Increase ...
How does TMA – Tower Mounted Amplifier work? 27 Jun 2011 | 10:32 pm
A TMA – Tower Mounted Amplifier reduces system noise, improves uplink sensitivity and leads to longer UE battery life. Sensitivity is the minimum input power needed to get a suitable signal-to-noise ...
CDMA Drive Test – 5 Important Parameters 22 Jun 2011 | 11:58 pm
1. TXPOWER TXPOWER is the phone’s transmitter power. We know that power control is guaranteed call quality and address the CDMA community interference tolerance and one of the key means of mobile pho...
UMTS Data Rates and Modulation 15 Jun 2011 | 06:51 pm
UMTS uses a 3.84 Mcps chip rate on a 5Mhz carrier (effectively only using 3.84Mhz with the remaining bandwidth acting as a guard to adjacent frequencies). Since the maximum modulation in UMTS is QPSK ...
