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Metric Systems Corporation
Metric Systems Corporation (MSC) is an American company that develops, manufactures and sells wireless networking equipment and systems. Based in Carlsbad, California, MSC focuses on White spaces (radio) and other equipment and systems for the commercial, industrial, and government market place. History In the late 2000s Metric Systems Corporation was tasked by Microsoft to provide White Space test equipment for use by the Federal Communications Commission in its decision to allow unlicensed use of White Space. Following the FCC's release of final rules for the use of TV-band devices in late 2010, Metric Systems began developing its line of VHF/UHF White Space Broadband Radios. Patents and technology Metric Systems Corporation holds several patents in the United States and Canada which focus on Dynamic Spectrum Management Dynamic spectrum management (DSM), also referred to as dynamic spectrum access (DSA), is a set of techniques based on theoretical concepts in network info ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wireless Network
A wireless network is a computer network that uses wireless data connections between network nodes. Wireless networking allows homes, telecommunications networks, and business installations to avoid the costly process of introducing cables into a building, or as a connection between various equipment locations. Admin telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure. Examples of wireless networks include cell phone networks, WLAN, wireless local area networks (WLANs), wireless sensor networks, satellite communication networks, and terrestrial microwave networks. History Wireless networks The first professional wireless network was developed under the brand ALOHAnet in 1969 at the University of Hawaii and became operational in June 1971. The first commercial wireless network was the WaveLAN product family, developed by NCR Corpor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vista, CA
Vista (; Spanish for "view") is a city in San Diego County, California, United States. It is a medium-sized city within the San Diego-Carlsbad metropolitan statistical area. As of the 2020 census, Vista had a population of 98,381. Current data estimates a 2023 population of 99,835. Vista's sphere of influence also includes portions of unincorporated San Diego County to the north and east, with a county island in the central west. Located just inland from the Pacific Ocean, it has a Mediterranean climate. Much of Vista's current territory was once part the Mexican land grants Rancho Buena Vista and Rancho Guajome. A post office was established on October 9, 1882, and Vista was incorporated as a city on January 28, 1963, later becoming a charter city on June 13, 2007. History The Vista area was originally inhabited by the Luiseño people, who established a village in today's Vista called ''Tovalum.'' The prosperity of the mission-era declined by the 1830s with the indepe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carlsbad, California
Carlsbad is a beach city in the North County area of San Diego County, California, United States. The city is north of downtown San Diego and south of downtown Los Angeles. As of the 2020 United States census, 2020 census, the population of the city was 114,746. Carlsbad is a popular tourist destination and home to many businesses in the golf industry. History Carlsbad's history began with the Luiseño people (the Spanish name given to them because of their proximity to Mission San Luis Rey), as well as some Kumeyaay in the La Costa area. Nearly every reliable fresh water creek had at least one native village, including one called Palamai. The site is located just south of today's Buena Vista Lagoon. The first European land exploration of Alta California, the Spanish Portolá expedition of 1769, met native villagers while camped on Buena Vista Creek. Another Luiseño villages within today's city of Carlsbad was a village at the mouth of the San Marcos Creek that the Kumey ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White Spaces (radio)
In telecommunications, white spaces refer to radio frequencies allocated to a broadcasting service but not used locally. National and international bodies assign frequencies for specific uses and, in most cases, license the rights to broadcast over these frequencies. This frequency allocation process creates a bandplan which for technical reasons assigns white space between used radio bands or channels to avoid interference. In this case, while the frequencies are unused, they have been specifically assigned for a purpose, such as a guard band. Most commonly however, these white spaces exist naturally between used channels, since assigning nearby transmissions to immediately adjacent channels will cause destructive interference to both. In addition to white space assigned for technical reasons, there is also unused radio spectrum which has either never been used, or is becoming free as a result of technical changes. In particular, the switchover to digital television frees u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microsoft Research
Microsoft Research (MSR) is the research subsidiary of Microsoft. It was created in 1991 by Richard Rashid, Bill Gates and Nathan Myhrvold with the intent to advance state-of-the-art computing and solve difficult world problems through technological innovation in collaboration with academic, government, and industry researchers. The Microsoft Research team has more than 1,000 computer scientists, physicists, engineers, and mathematicians, including Turing Award winners, Fields Medal winners, MacArthur Fellows, and Dijkstra Prize winners. Between 2010 and 2018, 154,000 AI patents were filed worldwide, with Microsoft having by far the largest percentage of those patents, at 20%.Louis Columbus, January 6, 201Microsoft Leads The AI Patent Race Going Into 2019 ''Forbes'' According to estimates in trade publications, Microsoft spent about $6 billion annually in research initiatives from 2002 to 2010 and has spent from $10–14 billion annually since 2010. Microsoft Research has made si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, internet, wi-fi, satellite, and cable across the United States. The FCC maintains jurisdiction over the areas of broadband access, fair competition, radio frequency use, media responsibility, public safety, and homeland security. The FCC was established pursuant to the Communications Act of 1934 to replace the radio regulation functions of the previous Federal Radio Commission. The FCC took over wire communication regulation from the Interstate Commerce Commission. The FCC's mandated jurisdiction covers the 50 states, the District of Columbia, and the territories of the United States. The FCC also provides varied degrees of cooperation, oversight, and leadership for similar communications bodies in other countries in North America. The FCC is funded entirely by regulatory fees. It has an estimated fiscal-2022 budg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TV-band Device
{{Short description, Radio frequency device TV band devices or TVBDs are unlicensed radio frequency devices operating in the vacant channels or white spaces between US television channels in the range of 54 to 698 MHz. The rules defining these devices were announced on November 4, 2008, and published by the U.S. Federal Communications Commission (FCC) on November 14, 2008. The rules were finalized on September 23, 2010. Much of the work behind the definition of these devices was done by the White Spaces Coalition. Types of TVBDs * A Mode I TVBD is portable device that does not have an internal geolocation Geopositioning is the process of determining or estimating the geographic position of an object or a person. Geopositioning yields a set of Geographic coordinate system, geographic coordinates (such as latitude and longitude) in a given map datum ... capability and access to a database of channels in use. Mode I devices must get a list of available channels from a Mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ultra High Frequency
Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one tenth of a meter (one decimetre). Radio waves with frequencies above the UHF band fall into the super-high frequency (SHF) or microwave frequency range. Lower frequency signals fall into the VHF ( very high frequency) or lower bands. UHF radio waves propagate mainly by line of sight; they are blocked by hills and large buildings although the transmission through building walls is strong enough for indoor reception. They are used for television broadcasting, cell phones, satellite communication including GPS, personal radio services including Wi-Fi and Bluetooth, walkie-talkies, cordless phones, satellite phones, and numerous other applications. The IEEE defines the UHF radar band as frequencies between 300 MHz and 1 GHz. Two other IEEE ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Broadband
In telecommunications, broadband or high speed is the wide-bandwidth (signal processing), bandwidth data transmission that exploits signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access. The transmission medium can be coaxial cable, optical fiber, wireless Internet (radio), twisted pair cable, or satellite broadband, satellite. Originally used to mean 'using a wide-spread frequency' and for services that were analog at the lowest level, nowadays in the context of Internet access, 'broadband' is often used to mean any high-speed Internet access that is seemingly always 'on' and is faster than Dial-up Internet access, dial-up access over traditional plain old telephone service, analog or ISDN public switched telephone network, PSTN services. The ideal telecommunication network has the following characteristics: ''broadband'', ''multi-media'', ''multi-point'', ''multi-rate'' and economical implementation for a di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dynamic Spectrum Management
Dynamic spectrum management (DSM), also referred to as dynamic spectrum access (DSA), is a set of techniques based on theoretical concepts in network information theory and game theory that is being researched and developed to improve the performance of a communication network as a whole. The concept of DSM also draws principles from the fields of cross-layer optimization, artificial intelligence, machine learning etc. It has been recently made possible by the availability of Software-defined radio, software radio due to development of fast enough processors both at servers and at terminals. These are techniques for Cooperation, cooperative optimization. This can also be compared or related to optimization of one link in the network on the account of losing performance on many links negatively affected by this single optimization. It is most commonly applied to optimize digital subscriber line (ITU G.992.1, DSL) performance of a computer network, network. Another potential applica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Centro De Pesquisa E Desenvolvimento Em Telecomunicações
CPQD is a Research and Development Center in Telecommunications and one of the largest Latin American Research and development, R&D centers in Telecommunications and Information technology, IT. Located in Campinas, São Paulo (state), São Paulo, Brazil, CPQD has operated as a contractor for institutions and enterprises in a wide range of fields: telecommunications, finance, energy, industrial, corporate and public administration. History CPQD was founded in 1976, as a Telecom research and development center for Telebras. In 1998, with the privatization of Telebras, CPQD became an independent Foundation. Selected projects The CONVERTE Project, started in 2003 in partnership with Trópico Telecomunicações Avançadas, developed new technologies for Technological convergence, convergent Next-generation network, next-generation Computer network, networks. CPQD has participated in the development of the Brazilian digital television system (SBTVD). The GIGA Project, developed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
