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1800 MHz

A Novel Shield for GSM 1800 MHz
 Band Using Frequency Selective Surface

A Novel Shield for GSM 1800 MHz Band Using Frequency Selective Surface

... In this paper, a novel FSS design has been proposed for shielding GSM 1800 MHz downlink band. In addition, the proposed design with its circular apertures materializes the ventilation requirements. The ...

7

Subscriber Growth Forecasting of LTE Network 1800 MHz FDD at Denpasar City using Monte Carlo Simulation

Subscriber Growth Forecasting of LTE Network 1800 MHz FDD at Denpasar City using Monte Carlo Simulation

... Based on the literature review, this paper aims to determine the maximum subscriber connected for LTE network technology with capacity planning at 1800 MHz FDD for subscriber growth forecasting in 2025 at ...

6

Performance Evaluation of Rectangular Microstrip Patch Antennas Loaded with Plastic and Barium Titanate Substrates at GSM 1800 MHz Band

Performance Evaluation of Rectangular Microstrip Patch Antennas Loaded with Plastic and Barium Titanate Substrates at GSM 1800 MHz Band

... In this paper, the resonance and radiation characteristics of patch antennas fabricated with two different types of dielectric substrates have been investi- gated and compared at GSM 1800 MHz band. At ...

7

Investigation of Path Loss Prediction in Different Multi-Floor Stairwells at 900 MHz
 and 1800 MHz

Investigation of Path Loss Prediction in Different Multi-Floor Stairwells at 900 MHz and 1800 MHz

... Figure 6 presents the comparison of PL plots from measurement as well as calculation via standard empirical models and the proposed stairwell model. From the plotted graphs, it can be seen that PL calculated from the 3 ...

13

A compact MIMO antenna for smart phone application at 900 MHz and 1800 
		MHz

A compact MIMO antenna for smart phone application at 900 MHz and 1800 MHz

... The proposed antenna manage to operate for dual frequencies of 900 MHz and 1800 MHz in a single compact antenna. It is used as the MIMO antenna is Planar inverted F-antenna (PIFA) due to its own ...

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Measurements of MIMO Indoor Channels at 1800 MHz with Multiple Indoor and Outdoor Base Stations

Measurements of MIMO Indoor Channels at 1800 MHz with Multiple Indoor and Outdoor Base Stations

... Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2007, Article ID 28073, 10 pages doi 10 1155/2007/28073 Research Article Measurements of MIMO Indoor Cha[.] ...

10

Development of triple band planar inverted f antenna (pifa) for gsm 800 mhz, dcs 1800 mhz and bluetooth 2400 mhz

Development of triple band planar inverted f antenna (pifa) for gsm 800 mhz, dcs 1800 mhz and bluetooth 2400 mhz

... The multi band operation of the antenna can be achieved by using a low profile antenna structure like PIFA Planar Inverted F-Antenna with additional features to enhance the bandwidth cov[r] ...

24

Analysis of proteome response to the mobile phone radiation in two types of human primary endothelial cells

Analysis of proteome response to the mobile phone radiation in two types of human primary endothelial cells

... Results: Primary human umbilical vein endothelial cells and primary human brain microvascular endothelial cells were exposed for 1 hour to 1800 MHz GSM mobile phone radiation at an average specific ...

7

Investigation of GSM Signal Variation Dry and Wet Earth Effects

Investigation of GSM Signal Variation Dry and Wet Earth Effects

... 900 MHz and 1800 ...900 MHz and 1800 ...at 1800 MHz and about 1 dB to 3 dB extra loss at 900 ...Although 1800 MHz transmitter is 10 m higher, it loses its advantage ...

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Evaluation Of Electromagnetic Fields For Frequencies 900 MHz-1 800 MHz In Tirana

Evaluation Of Electromagnetic Fields For Frequencies 900 MHz-1 800 MHz In Tirana

... Abstract: The massive use of mobile phone, as a communication tool nowadays, is accompanied the ever increasing interest of the public and researchers for the possibly impact on human health, as a result of exposure to ...

5

Inter  and Intrasite Correlations of Large Scale Parameters from Macrocellular Measurements at 1800 MHz

Inter and Intrasite Correlations of Large Scale Parameters from Macrocellular Measurements at 1800 MHz

... The hardware used for these measurements is the same as the hardware described in [21, 22]. The transmitter continu- ously sends a unique tone on each antenna in the 1800 MHz band. The tones are separated 1 ...

12

Performance analysis of E-shaped dual band antenna for wireless hand-held devices

Performance analysis of E-shaped dual band antenna for wireless hand-held devices

... Thermal effects are mainly due to RF power absorbed by human tissues. Figures 10 and 11 show the 3D- thermal distributions in human brain tissue at 900 MHz/ 1800 MHz operating frequency. Heat induced ...

13

Data-Driven Performance Evaluation of Carrier Aggregation in LTE-Advanced

Data-Driven Performance Evaluation of Carrier Aggregation in LTE-Advanced

... RBs) PCell in the 1800 MHz band and a narrower (50 RBs) SCell in the 800 MHz. Due to the weaker pathloss at lower frequencies, this setup allows to provide more consistent service to cell-edge users. ...

6

Novel Miniaturized Wilkinson Power Divider for 3G Mobile Receivers

Novel Miniaturized Wilkinson Power Divider for 3G Mobile Receivers

... due to symmetry). The output and the input reflection coefficients at 3G downlink frequency band are depicted in Figure 4 and Figure 5, respectively. Reflection equal to − 18.45 dB for the input port and − 28.75 dB for the ...

8

Bandwidth Enhancement for Low Frequency Meander Line Antenna

Bandwidth Enhancement for Low Frequency Meander Line Antenna

... The effect of this impedance matching technique is validated by the simulated reflection coefficients of MLA1 and MLA2, as plotted in Fig. 1. This improvement of impedance matching performance comes virtually from the ...

9

1800 Product Annoucement Aug1978 pdf

1800 Product Annoucement Aug1978 pdf

... Datapoint family of compatible processors, the 1800 allows users to complete a wide range of business data entry, processing, and communications tasks.. The 1800's powerful processor con[r] ...

6

THE BETHE, BROWN AND STEHN LAMB SHIFT CALCULATION REVISITED

THE BETHE, BROWN AND STEHN LAMB SHIFT CALCULATION REVISITED

... 1051 MHz for the 2p−2s quantum transition in the hydrogen atom, close to the experimental value of 1062 ...8127 MHz for the shift of the 1s level, in agreement with the value of 8174 MHz now deduced ...

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Handsprechfunkgerät VHF 144 MHz

Handsprechfunkgerät VHF 144 MHz

... Das ALAN CT 1600 ist ein FM-Handsprechfunkgerät für das 2 m Amateurband mit 5.200 Kanälen im Frequenzbereich von 142 MHz bis 149 MHz. Das ALAN CT 1600 eignet sich besonders für den Mobil- und ...

6

Handsprechfunkgerät VHF 144 MHz

Handsprechfunkgerät VHF 144 MHz

... Mit dem Haupt-Kanalschalter (Fig. 1, Pos. 7) wird die Betriebs-Nennfrequenz des Gerätes eingestellt. Folgende Einstellungen sind möglich: Die Einstellung "400" entspricht einer Frequenz von 144,000 MHz, ...

8

Detection of endogenous electromagnetic field of the human body

Detection of endogenous electromagnetic field of the human body

... In analyzing human radiation frequency, a pilot study of human radiation measurement has been performed for 26 healthy participants on seven major chakra points. The results indicate that each of the seven chakras have ...

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