. . . . . 1 4 4 5 5 8 8 10 14 17 17 19 20 21 23 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 26 26 27 27 28 28 28 28 Omnidirectional Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Directional Antennas and Sectorized Systems . . . . . . . . . . . . . . . . . . . Diversity Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Smart Antenna Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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IJEEE‚ Vol. 1‚ Issue 4 (August‚ 2014) e-ISSN: 1694-2310 | p-ISSN: 1694-2426 SURVEY OVER VANET ROUTING PROTOCOLS FOR VEHICLE COMMUNICATION 1 Amanpreet Kaur‚ 2Dr. Dinesh Arora 1‚2 Gurukul Vidyapeeth Institute of Engineering & Technology‚ Banur‚ Punjab‚ India 1 amanprt344@gmail.com‚ 2drdinesh169@gmail.com ABSTRACT: VANET (Vehicular Ad-hoc Network) is an appearing new technology with some distinctive characteristics that makes it unique from other ad-hoc networks. Due to rapidly changing the topologies
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Title: Directional Coupler Objective: To comprehend the propose and operational principle of the coupler by using the ED-3300D (Directional Coupler) module. Equipment: No | Module Name | Item Name | Quantities | 1 | ED-4770 | Combo Tester | 1 | 2 | ED-3300A | VCO | 1 | 3 | ED-3300B | Detector | 1 | 4 | ED-3300C | Circulator | 1 | 5 | ED-3300D | Directional Coupler | 1 | 6 | Spectrum Analyzer | 5CE006 | 1 | 7 | Accessory | Banana-Banana | 2 | 8 | Accessory | 50Q Load | 2 |
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History of Radio in Bangladesh_ Bangladesh Betar (Bengali: বাংলাদেশ বেতার) or BB is the state-owned radio broadcasting organisation of Bangladesh. It was also known as Radio Bangladesh between 1975 and 1996. Radio transmission in the region now forming Bangladesh started in Dhaka on December 16‚ 1939. Initially‚ the station was located in old Dhaka. Later‚ the station was relocated to Shahbag. It played an important role during the Bangladesh Liberation War of 1971. On March 26‚ 1971‚ the broadcasting
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Eulogio “Amang” Rodriguez Institute of Science and Technology Nagtahan‚ Sampaloc‚ Manila College of Engineering Electronics and Communications Engineering Department ECE 414 Elective 1 (Navigation) Omega Chapter 14 Omega was the first truly global radio navigation system for aircraft‚ operated by the United States in cooperation with six partner nations. It enabled ships and aircraft to determine their position by receiving very low frequency (VLF) radio signals transmitted
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are across the street from one another and need to share a network connection semi-directional would be a good choice. Or if you have a long narrow room where you need coverage throughout the whole room you can mount the antenna on an end wall. This is because the side-to side signal will not travel as far but the forward signal will travel quite far. What is its maximum transmission distance? Semi-directional range can vary greatly but is commonly used in situations that call for a range
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........................ 11 4.1.1 VLC PHY Header ............................................................................................................. 11 4.1.2 VLC to OWS transmission................................................................................................ 11 4.1.3 OWS to VLC transmission................................................................................................ 12 4.2 Composition of VLC – OWS connectors ........................................
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Radio waves are used not only in radio broadcasting but are also used in two-way communication for law enforcement‚ telephone transmission‚ wireless Internet‚ television‚ navigational systems‚ GPS‚ and space communication. Radio enables people to send messages over long distances in the form of words‚ music‚ signals‚ etc. However it is commonly used for one-way communication‚ i.e. broadcasting; to broadcast music‚ news‚ discussion‚ interviews‚ sports‚ adverts and other programmes. Aside the one-way function of radio
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twentieth century‚ the only ways to watch television were through over-the-air broadcasts and cable signals. With broadcast TV‚ an antenna picks up radio waves to transmit pictures and sound to your television set. With cable TV‚ wires connect to a set-top box or to your TV itself. These wires run from your house to the nearest cable TV station‚ which acts as one big antenna. Aside from a few options like satellite TV‚ broadcast and cable were -- and still are -- the main ways to watch television. New
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1) Describe a local land line phone system based on the following Landline Telephone Components: a. Local Loop: A wired connection from a telephone company’s central office in a locality to its customers home or business. A pair of coper wires called twisted pair is usually the connection. b. Central Office: An office responsible for providing certain services to a local loop with calls and signaling. c. Local Exchange: System of devices and or switches that direct the local calls. d. POP: Point
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