b. wireless network refers to the use of infrared or radio frequency signals to share information and resources between devices. WiFi Direct, hotspot: Bluetooth: v4.1, A2DP, LE: GPS: Yes, with A-GPS, GLONASS, BDS: Infrared port: No: Radio: FM radio: USB. Question : a. As an example, it is commonly employed in headsets for mobile phones, enabling hands-free phone use. (Read also: More Than Moore: 50 Years of Moore's Law. See chart below for a comparison of these technologies. Compare and contrast the Bluetooth and WiFi technologies. Question 2. a. separately in other articles. Bluetooth is a type of wireless technology, mostly has short range, coverage and used for source of connection between mobiles, computers and multiple electronic devices. For more technical resources and information relating to Bluetooth see the official Bluetooth site. Answer to 1. a. Another difference between Bluetooth and Wifi is that limited number of devices have provision to connect with other devices in Bluetooth. Wifi, Bluetooth Low Energy (BLE), Zigbee - A brief overview Wifi. Infrared is better used for direct connections while the Bluetooth is capable of connecting from one point to another or more at a specified range. In recent days, the wireless communication technology has become an integral part of several types of communication devices as it allows users to communicate even from remote areas. Refer Wireless system block diagram and Cellular wireless communication basics for more information. Due to  Line of Sight limitation infrared wireless is mostly used in devices that are placed in one place are close to each other. It required line-of-sight between the sender and receiver. Ride the Wave. Whereas it requires wireless adapteron all devices and wireless router for connectivity. Inventory control devices can use Bluetooth technology. Be able to contrast and compare Wi-Fi and Bluetooth. Bluetooth wireless communication occurs at a raw data rate of 1Mbps, with higher speeds being investigated. WiFi is short range technology. Join now. It requires bluetooth adapter on all devices for connectivity. Infrared is a wireless technology that lets devices to communicate with each other using short range wireless signals. In addition to technical differences such as packet structure and protocol layers that are not detailed here, other characteristics distinguish them. 3. However, radio waves are still key to the way Bluetooth and Wi-Fi operate, enabling your devices to connect to each other or to the internet. b. List the important usage models and briefly describe the functions provided and […] Two other technologies of interest, namely IrDA and HomeRF, are Explain the difference between a core specification and a profile specification in the Bluetooth standard. Latest posts by Prof. Fazal Rehman Shamil, Peer to Peer Network – Characteristics, Advantages, Disadvantages, Infrared used pulses of infrared light that not visible by naked eyes, Infrared transfer data over the 10 millimeters, Communicating devices can be placed anywhere in an effective range, Communicating devices must be close to each other, It mostly used in mobile phones for data transmission, It mostly used in home electronic devices, It needs line of sight or points to point transmission. It also wouldn’t be much fun if a fantastic piece of technology and engineering took five minutes to load a webpage. Bluetooth technology is one solution for wireless personal area networks (WPANs). WiFi, short for Wireless Fidelity. # The two main technologies that computers can use to communicate wirelessly are listed below: Wi-Fi; Bluetooth. It is used for the wireless communication between the two devices.it is used to send data on a short distance. Question 2. a.  It avoids interferences from other devices. HomeRF, like Bluetooth wireless technology, WiMax versus Wi-Fi A Comparison of Technologies, Markets, and Business Plans Michael F. Finneran dBrn Associates, Inc. Telephone: (516) 569-4557 Email: mfinneran@att.net. Wi-Fi Wi-Fi stands for Wireless Fidelity, which refers to wireless technology that allows devices to communicate over a wireless signal. Both technologies are effective, but because of their very different capabilities and limitations, they are best suited to very different applications. Bluetooth and infrared wireless technologies are commonly used for short-range wireless communication between electronic devices. The term “wireless” has been in use for more than a century. Bluetooth and WiFi are different standards for wireless communication. Answer (1 of 4): Bluetooth operates using radio waves while infra-red communication works on fast pulses of light. The following are the differences between Bluetooth and Infrared: Versatility: Bluetooth devices could work together; where as infrared devices need to be specially designed for specific devices. WLAN (also commonly referred to as WiFi) is the most widely used wireless standard. Indoor wireless technologies such as Wireless LAN(or WiFi), Bluetooth, IrDA, Zigbee, Zwave etc. Infrared is the wireless technology that is commonly used for wireless communication between electronic devices. It is used to transfer data on a particular frequency of 2.4 gigaHertz.It is used to send data from one device to another. 2. It works by transmitting low-power signals of about one milliwatt, which avoids interference with the signals of other wireless devices within its range. These pulses are invisible to the naked eye, but can be detected by… 1. If you have a smartphone, then you likely know about Bluetooth and what it does. Bluetooth VS infrared – Comparison of Range and transmission speed Range Of Bluetooth. It can lose connection in many situations. b. Question 1. a. With Infrared, the devices can transfer data in a bidirectional way. Still, it is commonly used in computer other peripheral devices. This illustrates an additional design parameter for WPANs: enhanced device usability enabled by the unconscious application of communications technology. IrDA hardware also already is less expensive than Bluetooth radio modules, owing largely to the maturity and wide deployment of IrDA. It supports short-range and performance is the degrade with long-distance, It can easily handle only one device at one. IrDA is relevant for comparison to Two reasons: Weaker Signals. Bluetooth Related Links. b. This brief discussion indicates that IrDA technology compares favorably to Bluetooth technology in the areas of cost, power, and data rate. The battery used in infrared devices run for a long time, The infrared technology is more effective for devices that are close to each other close more than 10 millimeter, Infrared wave at high power can damage the eyes. There you have it, all of the finely combed details about the two most popular wireless technologies ruling the world – WiFi and Bluetooth. Here we compare and contrast specific features of these technologies. Question 1. a. Refer NFC basics article which covers NFC (Near Field Communication) basics includingNFC operation modes, NFC frequency, NFC data rates, NFC tag types, NFC applications and NFC signalling types and more.Refer NFC-A vs NFC-B vs NFC-F for difference between different NFC signalling types. WiFi is used to wirelessly connect computers to a network while Bluetooth is used to wirelessly connect two devices to each other 2. Your comparison should be based on technical specification and performance (e.g., data rate, modulation, range, no of channels and MIMO antenna, security features and other parameters; you should list as … It is a very effective technique used in a different application. WiFi, short for Wireless Fidelity. Describe the application areas supported by Bluetooth. WiFi is known as a Local Area Network (LAN) technology due to its moderate coverage area. Bluetooth mostly used in mobile devices. Join now. Technically, Wifi is based on IEEE 802.11 standard and has several variants that include 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac. If your product requires access to the internet, and will always be used near a WiFi access point, then WiFi is the answer. b. Wireless technologies are designed to reduce the time and different type of obstacles created by the cables. Compare and contrast the Bluetooth and WiFi technologies. Compare and contrast the Bluetooth and WiFi technologies. However, like WiFi, Bluetooth also operates on the same radio frequency band at 2.45GHz, but the potential for interference is a lot lower. Takeaway: Bluetooth and Wi-Fi, as wireless technologies have similarities, but the differences are significant. In other words the sensors of both the devices must be in each other's immediate line of sight. Today, IrDA can achieve data rates of up to 4Mbps, with even higher rates already specified and beginning to be implemented. Bluetooth technology allows you to connect a variety of different electronic devices wirelessly to a system for the transfer and sharing of data and this is the main function of Bluetooth. We choose to discuss HomeRF and IrDA because they have interesting relationships with Bluetooth wireless technology. IrDA range is about 1 meter and, as noted already, generally requires a line of sight to establish a connection. WiMax Where all WiFi implementations use unlicensed. Bluetooth used to transfer data on the rate of 1 and 3 megabits per second. Infrared wireless is more effectively used by the device that closes to each other and relatively stationary. Bluetooth works in lower distance range than in comparison to a typical wireless LAN. It is refers to a network that connects two or more devices by using wireless data connections over short distances. RF technologies are well suited for this aspect of WPANs, and Bluetooth wireless technology further emphasizes device usability characteristics in the profiles. Other Bluetooth Applications. RF transmission patterns radiate in some pattern (ideally, spherical) around the radio antenna, so any two devices within range can communicate with each other, whether or not they are "pointed at" each other (in fact, the second device might not be visible at all to the user of the first device, as it could be in another room behind doors and walls or even on another floor of a building, for example). It provides very high data throughput but it is more vulnerable to interference than Bluetooth. Wireless LAN (WLAN) stands for Wireless Local Area Network. It first referred to communication without telegraph wires and was adopted as … However, the use of Bluetooth currently involves licensing certain key patents. b. 1. It is often used for production planning and data acquisition as well as applications where rapid roaming is required. The distance between the two devices is very short from the fixed, mobile device and building personal area network. Bluetooth technology is used in more than headsets, though. Explain the difference between a core specification and a profile specification in the Bluetooth standard. What are the main difference between 'Bluetooth' &'Infrared' technology? Infrared uses electromagnetic radiation principle where wavelength of the emitting light corresponds to the frequency range of 1~400Thz.This is used for the communication purposes on different schemes like Near infrared (0.75 - 1.4um), Short infrared (1.4um - 3um), Mid infrared (3-8um), Long infrared (8 - 15um), Far infrared (15um - 1000um) An interesting thing about the name “Bluetooth” is that it is far older than wireless technology. Infrared is point to point but Bluetooth is one to multiple point technology. Experts project there will be 75 billion connected devices by 2025. You can share a small piece of data in shape of image, music, video or documents to interconnected mobile, laptop or head set (for music and calls). Examples: Wi-Fi and Bluetooth are the two main ways to connect to networks wirelessly. Explain the difference between a core specification and a profile specification in the Bluetooth standard. Cell phones are connected to hands-free earpieces, wireless keyboard, mouse and mike to laptops with the help of Bluetooth as it transmits information from one device to other device. Refer page on wifi tutorial. Wifi; 1. In this article, we’ll look at the different wireless connectivity technologies in a bit more detail and compare them in terms of the most important attributes applicable in the case of commercial and industrial IoT applications. For wifi technically there is no limit for the clients but effective limit (optimum) is 15 clients. List the differences between Bluetooth vs Infrared. Explain the difference between a core specification and a profile specification in the Bluetooth standard. Satellite Satellite communication is one of the wireless technologies, which is widely spread all over the world allowing users to stay connected virtually anywh… Contrast ratio: 1560 (nominal), 2. 2. Certainly there are other technologies that could be employed in the WPAN The effective range for Bluetooth wireless communication is about 10 meters using the standard 0 dBm radio. (3) IrDA is a line of sight technology. Both were developed at roughly the same time, and both operate in the unlicensed 2.4GHz ISM band for RF communications. The main difference between Bluetooth and Wifi is the purpose behind its designing. Refer Bluetooth tutorial which covers basics of bluetooth system, bluetooth technical specifications or features and provides link to bluetooth physical layer, bluetooth MAC layer, bluetooth protocol stack, frequency allocations and bluetooth power classes. BlueTooth ZigBee WiFi ZigBee By: Mostafa Ali 2. The IoT is gaining more ground each year. Effective range for infrared is very short. Bluetooth used to transfer data using radio waves. Wi-Fi is a wireless Local Area Network (LAN) technology where two or more electronic devices use the ISM radio bandto communicate. List the important usage models and briefly describe the functions provided and the protocols used […] Though these licenses are free, you must agree to some terms. WiFi doesn’t have the same limitations, but how many devices a WiFi network can handle will be largely determined by the bandwidth of the router you are connected to. The impetus for developing the HomeRF technology was to provide a solution for wireless in-home networks. The Bluetooth technology is developed by the Bluetooth special interest group and its physical range is from 10m to 100m. It can only allow short-range communication between devices. while it consumes high power. It is used to transfer data not more than 5 meters, and often closer to each other. Although in some respects, certain technologies might be viewed as competing in the WPAN space, we believe that at least the ones discussed here are complementary to each other. IrDA is a specific use of infrared light as a communications medium; Bluetooth technology is a specific use of radio waves as a communications medium. Infrared wireless uses pulses of infrared light to transmit data from one device to another. This technology used  in many devices headsets in card system printer etc. What is a usage model? Fi - Differences between Bluetooth and Wi. HomeRF is a wireless radio communications technology developed by the HomeRF working group, an industry consortium not unlike the Bluetooth SIG (in fact, several companies participate in both groups). Other Bluetooth Applications. Bluetooth is essentially used to connect short-range devices for sharing data while Wifi provides high-speed internet access. WiFi. IrDA is an infrared wireless communication technology developed by the Infrared Data Association. WiMax is long range technology. So, mobile devices need to connect wirelessly and quickly, hence the two wireless broadband methods: cellular and WiFi. Other technologies also can be used in WPANs, and we reviewed two of these, IrDA and HomeRF. are not limited to the WPAN domain, although they can be considered part of it. The common effective speed is 3 Mbps. Bluetooth also uses the ISM band, but Wi-Fi technology doesn’t rely solely on the proximity of the user. Compare and contrast the Bluetooth and WiFi technologies. To support this incredible demand for bandwidth, new players have entered the IoT arena. How do they differ from each other in electromagnetic wave with respect to frequency and wavelength? Each one enables both voice and data traffic; and each one is designed for relatively short-range, low-power operation. At this wavelength, radio frequency (RF) communications can penetrate many of these sorts of obstacles. It is known as wireless technology. b. Describe the application areas supported by Bluetooth. IrDA is a specific use of infrared light as a communications medium; Bluetooth technology is a specific use of radio waves as a communications medium. • As shown a WiFi AP or Router is connected to the internet using a broadband cable or with cellular network. Inventory control devices can use Bluetooth technology. Bluetooth has no full form. However, Bluetooth technology can add convenience and user mobility by relaxing the device alignment and line of sight requirements of IrDA communications. Infrared devices are much greater than that of Bluetooth devices The most common speed for infrared is 3 Mbps. Local Area Network (LAN) Technologies. Describe the application areas supported by Bluetooth. Bluetooth used to transfer voice and data. Bluetooth technology is used in more than headsets, though. Bluetooth is a short range technology standard which allows devices to communicate in a wireless manner. 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