Basic RF Propagation Models for LTE

An RF propagation model is a mathematical formula used to characterize the radio is Wave transmitter at one end and the other end into the receiver propagation between It is...
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Fitch: Apple’s business model is not compatible with “AA” debt Rating

Although Fitch Ratings has not released the official rating on Apple; He said today that such a rating is likely to fall in the same category of “high” rating–and would...
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Windows Phone OS sees steady growth in 1 quarter of 2013

Although only 5.6% of sales of smartphones in the first quarter of 2013, Windows showed continued growth, gaining 1.9% compared to the same period last year, according to data released...
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Definition of Front to Back Ratio for LTE antenna

Front to back ratio is an important characteristic of directional antenna antenna. Is the ratio of power radiated from a corner with maximum radiation radiation levels at 180 degrees (the...
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What is effect of Antenna Beamwidth in LTE

The antenna beam width is measured in degrees between half power points ( -3 DB) compared to the main axis of the petals of the antenna. -3 DB point of...
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What is Side and Back Lobes in LTE antenna

Side and back lobes are regions in a template where the “directions” the antenna may be of benefit, except for the maximum rate. System engineer Note these characteristics with downtilting...
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What is CPE Antenna Variations in LTE

A couple of differences may exist between the CPE and device specifications  the alleged targets. The differences are mainly due to two factors not normally thought of in the design...
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What is Smart Antennas in LTE

At the beginning of wireless networks (e.g. GSM, AMPS) were mainly base station antennas Omni or directional. Using these Fixed antenna scheme, power radiated from antenna covers a larger area...
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What is Frequency Reuse and Resource Block reuse in LTE

LTE sites deployed by using 3 sector. Each sector operates on the same carrier frequency. Nomenclature for this reuse pattern is 1 x 3 x 1. This range of frequency...
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What is Carrier to Interference plus Noise Ratio in LTE

LTE is designed to operate in environments where there are peripheral interventions. Link performance degrades as the C/I (i.e. Carrier interference ratio) is reduced, however, it may be acceptable in...
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What is Methods to Reduce Co-channel Interference in LTE

Management of external interference from all other sites/sectors improves system performance and capacity. Intervention studies are used to examine areas that have significant peripheral interaction problems. Lighting and intervention studies...
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How to Control Inter-System Interference in LTE

The Various steps to control inter-system interference include: 1. external Filters, add the transmitters and receivers 2. Antenna isolation between transmitters and receivers of victims 3. the distance between transmitters...
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operators, transmitters, receivers, power, coordination, transmission, victims, problems, antennareverse power control, rf, rf amplifier, rf channel, rf design, rf guide, rf hopping, rf planing, rf site selection

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