advantages of satellite communication over terrestrial communication
©2017-2020 ecstuff4u.com The content is copyrighted and may not be reproduced. An important advantage of satellite communication over alt other media for long distance communication is its ability to operate with mobile terminals. If you want to learn some different you are the right place for reading so keep reading for a few minutes for the right information regarding satellite communication. Manufacturing a satellite is expensive. Satellite radio can cover a larger geographic area than terrestrial radio signals, allowing the person to listen to the same station, even if … There are a number of differences between satellite based and terrestrial wireless communications 10 benefits satellite communications brings to the IoT Randy C. Roberts 3 min The nascent Internet of Things (IoT) movement promises to deliver many kinds of new services enabled by the relentless shift towards the interconnected network of devices, as well as set the stage for unleashing the next wave of disruptive technologies. This makes the system very complex, "Fall in Love with ENGINEERING and TECHNOLOGY by Easiest Way of Learning. range) is limited from Both configurations work at 6GHz(uplink) / 4GHz(downlink) bands. Disadvantages of satellite communication : The satellite has a life which is about 12-15 years. When is satellite is the best solution? Global Coverage. Difference between SISO and MIMO The baseband signal is multiplexed signal which carries number of individual low bandwidth signals such as Typically repeaters are placed at the distance of about 32 to 80 Km. fixed antenna at ground station is enough to establish RF link at all the times. In general in this system, baseband information is transmitted at microwave carrier frequency using Transmission cost of a satellite is independent of the distance from the center of the coverage area. Satellite IoT devices allow you to monitor your business remotely and provide tracking in near real-time on the Globalstar LEO satellite network. In digital systems, data information signals are time multiplexed(TDM) to form baseband signal. Figure-2 depicts satellite communication system. Hence repeaters will make up for the RF losses introduced due to path pass. It is one type of twisted pair cable. Number-2: Circuits for the satellite can be installed rapidly. Multiple repeaters are used between source and destination stations. Cell splitting is a method of subdividing cell into the smaller sized cell. In the case of LEO/MEO, a large number of satellites are needed to cover the radius of the earth. MCPC Terrestrial systems have greater limitations. Due to this fact, another launch has to be planned before it becomes un-operational, Satellite manufacturing requires more time. Indeed, satellites provide the only feasible way of providing reliable communication with ships and aircraft which are far out of sight of land. • Satellite communications link will have more degradations compare to terrestrial communication link but quality of transmission is usually quite good. directional antenna from ground station (i.e. Streamline your operation, monitor and manage assets, deliver redundancy to terrestrial communications networks and stay competitive in a connected, global marketplace. Satellite communication is known for its reliability advantages over terrestial connections. Advantage of communication satellite over terrestrial microwave system: The communication satellites can receive and broadcast over large terrestrial regions. Types Over the years, satellite communication networks provided niche services and acted as relays for long distance broadcasts and for connectivity in remote and harsh environments. High bandwidth. This ensures more cost in the installation phase. But both transmitting and receiving frequencies are different and hence will not create much problem. VSAT) to the satellite. capacity allocations Microwave frequency gets attenuated due to buildings, trees, geographical locations, hence the ground distance(i.e. They get attenuated when used as ground waves as well as surface waves. Due to this fact, tracking of satellite is not required and • In a satellite link delay from earth to satellite to earth is about 240ms while in terrestrial link it will be far less. In the United states, satellite radio has became very popular. There are many advantages of satellite communication available for different purposes, which can be seen as below: The satellite communication is very helpful for the people staying in remote areas, as this service covers the long distance transmissions being very powerful in sending and receiving the signals. Difference of 2GHz is carried out at the satellite transponder using LO frequency of value 2225 MHz. Satellite links give coverage at any location on earth. VSAT system basics Both of these systems require transmit part and receive part. The satellite Transponder converts the signal and sends it down to the second earth station. Orbits Terrestrial infrastructure facilities are extremely vulnerable to natural disasters. Main Page The other satellite system bands are Ku bands and works at 14GHz (Uplink) /11 GHz (Downlink) and 17/12 GHz frequency bands. one part of earth to the other. It is also used as a GPS application, It is used a wide variety of applications which include weather forecasting, aircraft, radio/TV, connecting remote area, gathering intelligence in the military, navigation of ships, etc, LEO and MEO both satellite types have lower propagation delay and lower losses compare to GEO satellite. The figure-1 depicts terrestrial communication system with two stations and repeater module. Powered by. VSAT basics. Satellite services can be interfaced with internet infrastructure to obtain internet service. Once the satellite is in position, earth station can be installed and communication can be established in day or hours. Global communications company, Viasat, has the most powerful, high-capacity communications satellites … FDMA vs TDMA vs CDMA A communication satellite is nothing but a microwave repeater station in space that plays a significant role in telecommunications, radio, and television along with internet applications. Applications that affect design. Difference between TDD and FDD Higher Bandwidths are available for use. Significant advantages of satellite communication systems over terrestrial communication systems are _____. SCPC The conductor has insulation which is rated at the ... STP stands for shielded twisted pair cable. Satellite communication services being so portable and are very easy to install and also have user-friendly as well, The satellite communication services are very helpful for the people staying in a remote area, The satellite communication services are very helpful for the department of defence where the people on the fields used the wired service every time, This service provides wider bandwidth based on SCPC or MCPC allocation types, It covers a wide area of the earth hence entire country or region can be covered with just one satellite, It is used for mobile as well as wireless communication applications find at independent of location, It also co-exists with terrestrial microwave line of sight communication system, It is easy to install and manage the cost per VSAT site, It does not incur much of costs per VSAT site, It has a small fading margin on the order of about 3 Db, It is easy to obtain service from one single provider and also uniform service is also available, It is used for voice, data and any other information transmission. wibro vs mobile wimax ", Advantages and disadvantages of digital communication, Advantages and disadvantages of full wave rectifier, Advantages and disadvantages of floppy disk, Umbrella cell approach in mobile communication, Advantages and disadvantages of pulse width modulation, Difference between cell splitting and cell sectoring, Advantages and disadvantages of Zigbee networks, Advantages and disadvantages of conduit wiring system, Advantages and disadvantages of shielded twisted pair cable. Refer function of satellite transponder. Satellite tutorial The cell with low traffic speed is called as micro-cells and large high-speed traffic called macro-cells. Manufacturing of satellites expensive but after that, it would operate typically for years, The satellite itself is a single repeater. Communication satellites are in service since 1960s. Repeater receives the signal from one end and amplifies and retransmits the signal to the other end. Satellite to Satellite communication is very precise. Moreover, satellite design and development requires a higher cost, Satellite once launched require to be monitored and controlled on regular periods so that it remains in the orbit, The redundant component is used in the network design. Once the satellite is in position, Earth Station can be installed and communication may be established within … This is called a Downlink.
ADVANTAGES OF SATELLITE
- The advantages of satellite communication over terrestrial communication are: 14. 09/20/18 The advantages of satellite broadband over other terrestrial services. This wide area coverage makes high-speed Internet access from remote locations quick and easy. FDM vs TDM, difference between FDM and OFDM Satellite receives the signal using on board antenna. MOSFET is a one types of power transistor device mostly u... A modem is a basic type of network device that both modulates and also has demodulated for analog carrier signals called as a sine wave fo... Engineering is Humanity, Electronics is Religion. Birth of satellite communications 1/11 Communications satellites may be used for many applications: • relaying telephone calls • providing communications to remote areas of the Earth, • TV direct-to-user broadcasting • providing communications to ships, aircraft and other mobile vehicles • etc . Parts ➨It covers wide area of the earth hence entire country or region can be covered with just one satellite. Satellite Radio is a digital radio signal that is broadcasted by a communications satellite. Bluetooth versus Zigbee This paper proposes a terrestrial to satellite commu-nication system aided by terrestrial relay nodes to facilitate a robust, reliable, and efficient communication link and improve the spectral efficiency. About satellite Zigbee is the wireless language that eve... Conduit wiring is a system where the cable is enclosed in metal or some plastic tubes. Satellites. This is later modulated (using either PM or PSK) and up converted for transmission using RF antenna. In mesh mode, VSAT1 and VSAT2 directly communicates using satellite. ECSTUFF4U | ONLINE ELECTRONICS, ELECTRICAL ENGINEERING KNOWLEDGE | RESEARCH | INFORMATION |, Full forms related to Wireless communication, Full forms related to Satellite communication, Full forms related to Computer networking, Full forms related to Antenna and Wave Propagation, Full forms related to Optical communication, Full form related to Microprocessor X86 programming, Full form related to Digital signal processing. • Satellite communications link will have more degradations compare to terrestrial communication link but quality of transmission is usually quite good. We all know that in today's world of totally depends on wireless communication technology, high definition television and global access to the internet, many people are unclear about the inherent advantages of satellite communications. Significant advantages of satellite communication systems over terrestrial communication systems are GLOBAL COVERAGE, SECURITY, FLEXIBILITY THIS SET IS OFTEN IN FOLDERS WITH... TECHNOLOGY IN THE MARITIME DOMAIN. 51.6.3 Satellite communication for mobile stations. satellite Communication possesses several advantages which are as follows: Number-1: Point to multipoint communication is possible whereas terrestrial relay are point to point, this is why satellite relay are wide area broadcast. Geo Stationary Satellite is placed at the height of 35800 Km. Due to this reason microwave communication is mainly LOS (Line of Sight) based communication. The transmit system converts baseband signal to microwave signal. Difference between SC-FDMA and OFDM Collectively provide an essential element of national Department of Defense (DOD) & Permit information transfer from the highest levels of Advantages of satellite communication over terrestrial communications : Terrestrial communication is a point to point whereas satellite communication is a point to multipoint approach, Satellite is mainly wide-area broadcast media as transmitter antenna may be designed to provide signals to service areas as small as a city or as large as a country, The satellite costs are independent of distance whereas the terrestrial network costs time cost is proportional to the distance, Relatively fast installation. ➨It provides wider bandwidth based on SCPC or MCPC allocation types. • Coverage area of a satellite based system is greater than that of a terrestrial based wireless communication system. Microcontroller vs microprocessor As is the case with terrestrial communications, the sensitivity of the data being transmitted via satellite must dictate the extent to which those data are protected. here is some basic quick look at some key advantages of satellite communication. In star mode, VSAT1 and VSAT2 communicates using Satellite/Hub. and later modulated (FM) and up converted Terrestrial system uses both analog and digital modulation types. As mentioned in terrestrial system, repeater is used between source and destination stations. The parent cell that was originally congested is called as mac... Zigbee network technology is a wireless protocol used for wireless networking and connectivity. The main reason for this high reliability is because the networks are largely independent of terrestrial infrastructure. Advantages of satellite over terrestrial communication The coverage area of a satellite greatly exceeds that of a terrestrial system. It is also possible to connect many remote locations spread across large distances through a secure private link. We do not generally consider VSAT satellite technology for providing primary WAN links in our organizations or broadband Internet access at our homes. A GEO satellite with one single antenna can cover about 1/4th of the earth. voice, data and video.Multiplexing is done either using TDM or FDM. Basics: Advantages of … It first shifts the received frequency to the other frequency band. It is basically similar to the UTP. speed of 11000 Km/Hour. This is the most significant advantage of using satellite links - coverageat any location on Earth. Four reasons satellite internet continues to grow in popularity CARLSBAD, Calif., September 20, 2018 – Innovations and expanded capabilities are changing the game in satellite internet. Bands Microwave frequencies are used for wireless communication as they penetrate ionosphere. There are two modes of satellite based network viz. It travels at approx. Transmission cost of a satellite is independent of the distance from the center of the coverage area. • In a satellite link delay from earth to satellite to earth is about 240ms while in terrestrial link it will be far less. For terrestrial links, antennas are located at a specific height to overcome obstacles and also repeaters are to be used in between the links to compensate for path losses. for the transmission using RF antenna. Reliability: Satellite communications can operate on its own from terrestrial infrastructure. The coverage area of a satellite greatly exceeds that of a terrestrial system. Transmit reject filter should be good enough to overcome this problem. But terrestrial circuits require time-consuming installations, Mobile communication is easy to achieve using satellite communication because of its broader coverage area and its flexibility in connecting mobile vehicles, Satellites have an average low operating cost. Satellite systems allow users to bypass typical carrier offices and to broadcast information to multiple locations. mesh and star. Floppy disk is a magnetic storage medium for a computer system. Speed. Point to multipoint communication is possible whereas terrestrial relay is point to point, this is why satellite relay is wide-area broadcast. EPABX basics Abstract—Satellite communications and relaying techniques have been receiving the attention of the research community over the last years. The whole satellite band is usually about 500MHz. This article elucidates the advantages and benefits of VSAT and tells you why VSAT Networks are becoming a compelling alternative to terrestrial WAN links and broadband connectivity. Dense small satellite networks (DSSN) in low earth orbits (LEO) can benefit several mobile terrestrial communication systems (MTCS). Services Satellite to Satellite communication is very precise. Advantages of the Satellite Communication 1. The term MOSFET full form is Metal-Oxide-Semiconductor-Field-Effect-Transistor. • In case of satellite based systems all the earth stations/VSATs can receive their own transmissions and hence transmitted power should be carefully decided based on the RF link budget. Satellite Communication. Satellite frequencies are selected to overcome effects of ionosphere, absorption by gases and water vapour. Microwave communication systems are mainly classified into satellite systems and terrestrial systems. • In a satellite based system satellite EIRP and bandwidth is very vital parameters which need to be carefully designed at the initial stage of both satellite and earth station point of view. The satellite communication is frequently used in mobile communication network. network configurations Mobile communication can easily be achieved by satellite communication as it has a great degree of flexibility in convincing mobile vehicles. The receive system converts microwave signal to baseband signal. Why does the satellite communication continue to grow? In order to extend the range of terrestrial communication system, multi section relays or repeaters are used. Higher Bandwidths are available for use.Jan 5, 2013 Satellite Communications 46 wimax vs lte, ©RF Wireless World 2012, RF & Wireless Vendors and Resources, Free HTML5 Templates, Difference between 802.11 standards viz.11-a,11-b,11-g and 11-n. It co-exists with terrestrial microwave line of sight communication. Global coverage, security, flexibility Unintentional interference is not as deleterious to SATCOM operations as deliberate jamming. This wide area coverage makes internet access quick and easy despite all kinds of geographical obstacles. A satellite is a body that passes around some other body in a mathematically foreseeable path which is often called an Orbit. Later it does amplification of the translated signal before being relayed over the large area of the earth. Following are the advantages of Satellite Communication: ➨It is used for mobile and wireless communication applications independent of location. Moreover, visibility from the earth is very short duration which requires fast satellite to satellite handover. Satellite … In analog systems, data information signals are frequency multiplexed(FDM) first As depicted in the figure 6GHz is used as uplink frequency and 4GHz is used as downlink frequency. Satellite communication is economical compared with terrestrial communication, particularly where long distances are involved. Wireless communication is undergoing explosive growth, and satellite-based delivery is a major player. In general, satellite usually will have total 12 transponders each with 36 MHz bandwidth. But transmission cost in a satellite system is independent of the distance within the area of coverage of the satellite antenna, while in terrestrial system it varies based on the distance. Advantages of Satellite Internet 1. Satellite Communications: Select all correct answers. • Very high bandwidths and very high data rates are achievable in a satellite based communication system. Terrestrial communication is a point to point whereas satellite communication is a point to multipoint … Difference between 802.11 standards viz.11-a,11-b,11-g and 11-n Fixed wimax vs mobile A single satellite in the geostationary orbit can cover distances as large as whole oceans or continents. Refer satellite tutorial covering following sub topics: Communications satellites cover all land masses and there is growing capacity to serve maritime and even aeronautical markets. 2. Satellite communications use artificial satellites as relays between a transmitter and a receiver at different locations on Earth. Thus satellite Communication possesses several advantages which are as follows: Number-1: Point to multipoint communication is possible whereas terrestrial relay are point to point, this is why satellite relay are wide area broadcast. global coverage, security, flexibility 6. CDMA vs GSM Significant advantages of satellite communication systems over terrestrial communication systems are _____. In satellite system, transponder is used to provide connectivity between source and destination stations. Due to the curvature of the Earth, uneven terrain, oceans and many natural and man-made obstacles, i… Satellites have low average operating costs. Compared to the optical fiber communication, satellite communication has the advantages that, quality of transmitted signal and location of sending and receiving stations are independent of distance. The coverage area of a satellite greatly exceeds that of a terrestrial system. Satellite systems can provide coverage to remote places where the terrestrial system fails. Remote sensing With the introduction of satellite personal communication services in the near future, an important step will be made toward the implementation of a global communication infrastructure.Satellite communications were first deployed in the 1960s and have their roots in military applications. A single satellite in the geostationary orbit can cover distances as large as whole oceans or continents. OFDM vs OFDMA Advantages : Through satellite transmission, coverage over geographical area is quite large mainly for sparsely populated areas. 2. Here 6 GHz is the frequency range from 5.925 to 6.425 GHz and 4 GHz from 3.7 to 4.2 GHz.