Search results

...r of global operators that would require a dedicated link. This meant that mobile subscribers who wanted to use GPRS whilst roaming could only do so if their ...developed the idea of GRX to handle all roaming between [[PLMN|public land mobile networks]] (PLMNs).<ref>{{cite web|url=http://www.gsma.com/newsroom/wp-cont ...

...ref name=Book1>{{cite book|last=Stüber|first=Gordon L.|title=Principles of mobile communication|date=8 September 2011 |publisher=Springer|location=New York|i ...

...nicating through a shared channel. The problem of interference between two mobile users in close proximity or [[crosstalk]] between two parallel [[landline|l Unlike in the [[Point-to-point (telecommunications)|point-to-point channel]], where the amount of information that can be sent ...

...ed]] transmission and data as well as voice transmission. Like other land mobile systems, NXDN systems use the [[very high frequency|VHF]] and [[ultrahigh f ...www.mccmag.com/News/NewsDetails/NewsID/15362 an international digital land mobile system]. ...

...]; for example, it is used for the Iu interfaces in the [[Universal Mobile Telecommunications System]], and is also used for transporting digital voice. The standard spe ...

...nt for Smart Antenna System Evaluation |journal=[[European Transactions on Telecommunications]] |volume=12 |issue=5 |pages=427–438 |doi=10.1002/ett.4460120508 |url=https ...|date=May 2004 |title=Multidimensional high-resolution channel sounding in mobile radio |conference=IMTC |volume=1 |pages=257–262 |doi=10.1109/IMTC.2004.1351 ...

...nal]] beams with [[Orthogonality|orthogonal]] phase-modes so that multiple mobile stations can all simultaneously use the same frequency, each using a differ ...e station]]s of [[mobile network]]s to keep the beams pointing towards the mobile users.<ref>Balanis & Ioannides, pp. 39-40</ref> ...

...orter and more compact, allowing it to be contained within the case of the mobile device, and it can be [[impedance matching|impedance matched]] to the feed ...ost widespread use is as a '''planar inverted-F antenna''' ('''PIFA''') in mobile wireless devices for its space saving properties. PIFAs can be printed usi ...

...geometry models]] in order to model the SINR, particularly for cellular or mobile phone networks.<ref name="haenggi2012stochastic">M. Haenggi. ''Stochastic g [[Category:Telecommunications]] ...

...ncements driven by the increasing demand for high-speed data conversion in telecommunications and other fields. A notable project during this period was the development ...d]], where high-speed ADCs were essential for digital signal processing in mobile phones. Companies like [[Analog Devices]] and [[Texas Instruments]] began t ...

In [[electrical engineering]] and [[telecommunications]] the '''Chu–Harrington limit''' or '''Chu limit''' sets a lower limit on t ...that can be sent to and received from small antennas such as are used in [[mobile phone]]s. ...

...oint Conference on e-Business and Telecommunications |chapter=Coverage and Mobile Sensor Placement for Vehicles on Predetermined Routes: A Greedy Heuristic A ...

{{Short description|Telecommunications performance metric}} ...in many actual configurations, for instance in an antenna array built in a mobile phone to provide spatial diversity and/or spatial multiplexing.<ref name=Si ...

In [[mathematics]] and [[telecommunications]], '''stochastic geometry models of wireless networks''' refer to [[mathema ...number of wireless network technologies including [[mobile ad hoc networks|mobile ''ad hoc'' networks]], [[sensor networks]], [[Vehicular ad hoc network|vehi ...

...instrumental in a wide array of applications, extending beyond commercial telecommunications — including important roles in [[5G]] and forthcoming [[6G]] networks, wher ...l on UAVs: A Blue Sky View on Wireless Communication| journal = Journal of Mobile Multimedia| volume = 14| issue = 4| pages = 395–468| year = 2018| doi = 10. ...

...e=1997 |publisher=Erlbaum |isbn=978-0-8058-2557-2 |edition=Revised |series=Telecommunications |location=Mahwah, NJ |pages=50 |language=en}}</ref><ref>{{Cite web |last=Le ...S |number=2272070}}</ref> By this time Reeves had started working at the [[Telecommunications Research Establishment]].<ref name=Vardalas/> ...

...d targets key [[Internet of things]] (IoT) requirements, such as [[Duplex (telecommunications)|bi-directional communication]], end-to-end security, mobility and localiza ...C]] layer protocol for managing communication between [[LPWAN]] [[Gateway (telecommunications)|gateways]] and end-node devices. For communication within the cloud, LoRaW ...

{{Infobox mobile phone | form = [[Mobile phone form factors#Touchscreen/Slate|Slate]] ...

|[[China Mobile|China Mobile Ltd]] * Telecommunications (電訊業) ...

==Mobile phone signals== ...provide over-the-air communication [[privacy]] in the [[Global System for Mobile Communications|GSM]] [[Cell phone|cellular telephone]] standard. ...