Wireless LANA wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office building. This gives users the ability to move around within the area and remain connected to the network. Through a gateway, a WLAN can also provide a connection to the wider Internet. Wireless LANs based on the IEEE 802.11 standards are the most widely used computer networks in the world.
Point d'accès sans filvignette|Photographie d'un point d'accès sans fil. Dans les réseaux informatiques, un point d'accès sans fil (WAP ou simplement AP de l'anglais [wireless] access point) est un dispositif qui permet aux périphériques sans fil de se connecter à un réseau câblé ou au réseau Internet à l'aide d'une connexion radio. Le point d'accès en tant que dispositif autonome est habituellement relié à un routeur (par l'intermédiaire d'un réseau câblé), mais il peut aussi faire partie intégrante du routeur lui-même.
M-CommerceLe m-commerce ou commerce mobile (mobile commerce en anglais), correspond à l'utilisation de technologies sans fil, et plus particulièrement de la téléphonie mobile, afin d'effectuer des achats. Il regroupe l’ensemble des applications commerciales liées aux terminaux mobiles et effectuées le plus souvent en situation de mobilité. Le commerce mobile ne se limite pas aux téléphones portables de type smartphones mais aussi aux tablettes tactiles et PDA. Une réservation d’un billet de cinéma ou de train à partir d’un téléphone mobile est un acte de M-commerce.
Japanese mobile phone cultureIn Japan, mobile phones became ubiquitous years before the phenomenon spread worldwide. In Japanese, mobile phones are called keitai denwa, literally "portable telephones," and are often known simply as keitai (携帯). A majority of the Japanese population own cellular phones, most of which are equipped with enhancements such as video and camera capabilities. As of 2018, 65% of the population owned such devices.
Technologie large bande mobileWireless broadband is a telecommunications technology that provides high-speed wireless Internet access or computer networking access over a wide area. The term encompasses both fixed and mobile broadband. Originally the word "broadband" had a technical meaning, but became a marketing term for any kind of relatively high-speed computer network or Internet access technology. According to the 802.16-2004 standard, broadband means "having instantaneous bandwidths greater than 1 MHz and supporting data rates greater than about 1.
Marketing mobileLe mobile marketing ou marketing mobile ou m-marketing est le fait de réaliser des actions marketing à destination d’un consommateur, par le moyen du téléphone mobile, de façon ciblée Aujourd’hui, quatre milliards de personnes dans le monde utilisent un téléphone, dont plus de un milliard de smartphones. Dans les années à venir, aux alentours de 2014, l’utilisation du téléphone portable devrait dépasser celle de l’ordinateur. Le mobile marketing est un canal relationnel entre une marque ou une entreprise, de tous secteurs d’activités confondus, et les consommateurs.
Fixed wirelessFixed wireless is the operation of wireless communication devices or systems used to connect two fixed locations (e.g., building to building or tower to building) with a radio or other wireless link, such as laser bridge. Usually, fixed wireless is part of a wireless LAN infrastructure. The purpose of a fixed wireless link is to enable data communications between the two sites or buildings. Fixed wireless data (FWD) links are often a cost-effective alternative to leasing fiber or installing cables between the buildings.
Special operationsSpecial operations or spec ops are military activities conducted, according to NATO, by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment." Special operations may include reconnaissance, unconventional warfare, and counterterrorism, and are typically conducted by small groups of highly trained personnel, emphasizing sufficiency, stealth, speed, and tactical coordination, commonly known as special forces.
Neonatal intensive care unitA neonatal intensive care unit (NICU), also known as an intensive care nursery (ICN), is an intensive care unit (ICU) specializing in the care of ill or premature newborn infants. The NICU is divided into several areas, including a critical care area for babies who require close monitoring and intervention, an intermediate care area for infants who are stable but still require specialized care, and a step down unit where babies who are ready to leave the hospital can receive additional care before being discharged.
Unité de soins intensifsvignette|Une unité de soins intensifs (2007). Une unité de soins intensifs ou USI (en anglais, intensive care unit ou ICU) est un service de l’hôpital qui prodigue des soins de suppléance à une défaillance aiguë. Elle est la structure médiane entre les services de réanimation (réa) et les unités de surveillance continue (USC), et prend en charge une défaillance unique sur une durée limitée. Elles constituent avec les USC les unités intermédiaires entre la réanimation et les services de soins généraux hospitaliers.
