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Gateway (telecommunications)

About: Gateway (telecommunications) is a research topic. Over the lifetime, 6121 publications have been published within this topic receiving 56649 citations.


Papers
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Patent
18 Apr 1996
TL;DR: In this paper, a system and method for providing Internet access via a Public Switched Telecommunications Network (PSTN) using full time asymmetric digital subscriber line connections between subscriber premises processor terminals and a local area network (LAN) node and router gateway on Telco premises connected to a Telco digital packet network connected to Internet service providers and Internet information providers.
Abstract: A system and method for providing Internet access via a Public Switched Telecommunications Network (PSTN) using full time asymmetric digital subscriber line connections between subscriber premises processor terminals and a local area network (LAN) node and router gateway on Telco premises connected to a Telco digital packet network connected to Internet service providers and Internet information providers. A domain name server (DNS) and a dynamic host configuration protocol (DHCP) server are connected to the router to provide domain name to IP address translations and temporary assignment of IP addresses to said customer premises processor terminal. The customer or subscriber going on-line communicates with the DHCP using encryption and preferably public/private key encryption to both authenticate the customer and the DHCP. The DHCP updates the database in the DNS to maintain freshness. The digital packets in the network use several protocols with a TCP/IP payload encapsulated therein without the need for translation or conversion.

851 citations

Patent
30 Jun 1994
TL;DR: In this article, a video server for providing Video-On-Demand is described, where a plurality of data sources are coupled individually to a first and second bi-directional data/instruction switch.
Abstract: A video server for providing Video-On-Demand is disclosed. A plurality of data sources are coupled individually to a first and second bi-directional data/instruction switch. The first switch is additionally coupled to a data storage system and the second switch is coupled to a network interface. A real time controller is coupled to the data sources and the switches and can couple any part of the data storage system to any selected data source and any given network channel to any selected data source. A control system coupled to the real time controller and the second switch provides support services to the real time controller and acts as a gateway to third party services and products. The data storage system is largely comprised of disk drive arrays. Video data is striped across the individual arrays, each video data program that a user requests being striped across one array. Each array provides video data to many users through the data sources. The video server is tolerant of individual failures in the data storage system and among the data sources, as operating portions of the data storage system and spare data sources can be rapidly switched to substitute for failed units. The server can also be readily expanded and provides a user experience similar to that of a video cassette recorder.

581 citations

Patent
27 Sep 2002
TL;DR: In this article, a gateway server is interposed between wireless access points and protected networks to provide security and integration functions, for example, authentication, access control, link privacy, link integrity, and bandwidth metering in various embodiments.
Abstract: The present invention can be used to facilitate the integration of wireless capability provided by wireless access points into an enterprise computer network. A gateway server is interposed between wireless access points and protected networks to provide security and integration functions, for example, authentication, access control, link privacy, link integrity, and bandwidth metering in various embodiments. Use of such a gateway server allows substantial control to be gained over network access even with the use of relatively simple access points. In general, such a gateway server receives a request to access the protected network. An authentication subsystem of the gateway server authenticates the user, preferably by accessing an external authentication server and returns a role to the authenticated user. An access controller in the gateway server provides differential access to the protected network based on the user's assigned role. A multiple gateway servers can be connected together to form a mesh network architecture.

542 citations

Proceedings ArticleDOI
17 Aug 2014
TL;DR: Wi-Fi Backscatter is presented, a novel communication system that bridges RF-powered devices with the Internet and shows that it is possible to reuse existing Wi-Fi infrastructure to provide Internet connectivity to RF- powered devices.
Abstract: RF-powered computers are small devices that compute and communicate using only the power that they harvest from RF signals. While existing technologies have harvested power from ambient RF sources (e.g., TV broadcasts), they require a dedicated gateway (like an RFID reader) for Internet connectivity. We present Wi-Fi Backscatter, a novel communication system that bridges RF-powered devices with the Internet. Specifically, we show that it is possible to reuse existing Wi-Fi infrastructure to provide Internet connectivity to RF-powered devices. To show Wi-Fi Backscatter's feasibility, we build a hardware prototype and demonstrate the first communication link between an RF-powered device and commodity Wi-Fi devices. We use off-the-shelf Wi-Fi devices including Intel Wi-Fi cards, Linksys Routers, and our organization's Wi-Fi infrastructure, and achieve communication rates of up to 1 kbps and ranges of up to 2.1 meters. We believe that this new capability can pave the way for the rapid deployment and adoption of RF-powered devices and achieve ubiquitous connectivity via nearby mobile devices that are Wi-Fi enabled.

541 citations

Patent
02 Jun 1997
TL;DR: In this paper, an internet on-demand system for television presents internet content and traditional television programming as part of a single coherent interface, where the user can select a channel from a rotary menu wheel.
Abstract: An internet on-demand system for television presents internet content and traditional television programming as part of a single coherent interface. The user can select a channel from a rotary menu wheel. The system includes a server and a client capable of providing a dynamic graphical user interface. The system can display an internet gateway interface which actively scrolls through and highlights links to selected web pages which are organized according to templates corresponding to their content. The web pages are presented on the graphical user interface as channels as part of the same milieu as channels of traditional television programming. An intelligent agent passively filters selected web pages for a user to explore based on the user's past pattern of usage of the client. The server queries the client regarding its available data stream connections, including telephone modems, cable modems, and digital satellite broadcasting, in order to determine the most efficient delivery of different types of data through all of the available bandwidth connections. The efficient delivery of data allows the client to present text, graphics, video, audio and other multimedia information from a web page over the internet as a coordinated presentation.

436 citations


Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20221
2021130
2020338
2019559
2018555
2017536