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