3G (third generation): Describes wireless technology that offers highspeed packet data mobile wireless Internet access and multimedia capabilities. 3G commonly refers to HSPA networks.
4G (fourth generation): As defined by the International Telecommunications Union, 4G is the next generation of wireless technologies, including HSPA+ and LTE, which offers a substantial speed improvement over HSPA.
ADSL2+ (asymmetric digital subscriber line 2+): An IP technology that allows existing copper telephone lines to carry voice, data and video at speeds of up to 19 Mbps, which enables three simultaneous video streams into a home.
AWS (advanced wireless services) spectrum: AWS spectrum in the 1.7 and 2.1 GHz ranges that is utilized in North America for 4G services. It is commonly utilized in urban and suburban areas but, due to propagation limitations, is not economical for rural deployment.
bandwidth: The difference between the top and bottom limiting frequencies of a continuous frequency band, or indicator of the informationcarrying capacity of a channel. A greater bandwidth provides a larger information-carrying capacity.
broadband: Used to refer to telecommunications services that allow high-speed transmission of voice, data and video simultaneously at rates of 1.5 Mbps and above.
CDMA (code division multiple access): A wireless technology that spreads a signal over a frequency band that is larger than the signal to enable the use of a common band by many users and to achieve signal security and privacy.
cloud computing: A system where software, data and services reside in data centres accessed over the Internet from any connected device.
CRTC (Canadian Radio-television and Telecommunications Commission): The federal regulator for radio and television broadcasters, and cable-TV and telecommunications companies in Canada.
digital: A transmission method employing a sequence of discrete, distinct pulses that represent binary digits 0 and 1 to indicate specific information, in contrast to the continuous signal of analogue. Digital networks provide improved clarity, capacity, features and privacy compared to analogue systems.
EVDO (evolution data optimized): Part of the CDMA family of standards, EVDO is a wireless radio broadband protocol that delivers data download rates of up to 2.4 Mbps. EVDO Rev A increased data download rates to up to 3.1 Mbps.
fastest: Canada's fastest coast-to-coast HSPA+ wireless network is based on TELUS' tests of data throughput speeds in large Canadian urban centres available from national HSPA+ service providers. Internet access speed provided by the network operator may vary due to the device being used, network congestion, distance from the cell site, local conditions and other factors. Speed on the Internet is beyond the wireless network operator's control and may vary with the user's configuration, Internet traffic, website server and management policies, and other factors.
fibre network: Hair-thin glass fibres along which light pulses are transmitted. Fibre networks are used to transmit large amounts of data between computers or many simultaneous telephone conversations.
forbearance: Policies refraining from the regulation of telecom services, allowing for greater reliance on competition and market forces.
FTTx (fibre to the x): A collective term for any broadband network architecture using optical fibre to replace all or part of the existing copper local loops. FTTH denotes fibre to the home while FTTN can denote node or neighbourhood.
GPON (gigabit-capable passive optical network): A fibre-based transmission technology that delivers data download rates of up to 2.5 Gbps and upload rates of up to 1.25 Gbps.
hosting: The management of data, which incorporates the business of housing, serving and maintaining files for one or more websites.
HSPA+ (high-speed packet access plus): A 4G technology capable of delivering manufacturer-rated wireless data download speeds of up to 21 Mbps (typical speeds of 4 to 6 Mbps expected).
HSPA+ dual-cell technology: A 4G technology that uses advanced multiplexing techniques to combine two wireless data carriers, each capable of delivering download speeds of up to 21 Mbps, into a single carrier with manufacturer-rated download speeds of up to 42 Mbps (typical speeds of 7 to 14 Mbps expected).
iDEN (integrated digital enhanced network): A network technology developed by Motorola to utilize 800 MHz channels, which may be non-contiguous, for digital service. The digital signals offer greatly enhanced spectrum efficiency and system capacity. TELUS uses this technology for its Mike service, which also includes PTT service.
ILEC (incumbent local exchange carrier): An established telecommunications company providing local telephone service.
IP (Internet protocol): A packet-based protocol for delivering data across networks.
IP-based network : A network designed using IP and QoS (quality of service) technology to reliably and efficiently support all types of customer traffic including voice, data and video. An IP-based network enables a variety of IP devices and advanced applications to communicate over a single common network.
IPTV (Internet protocol television): Television service that uses a two-way digital broadcast signal sent through a switched telephone or other network by way of streamed broadband connection to a dedicated set-top box. The TELUS service is trademarked as Optik TV.
local loop: The transmission path between the telecommunications network and a customer's terminal equipment.
LTE (long-term evolution): A 4G mobile telecommunications technology, capable of advanced wireless broadband speeds, that has emerged as a leading global wireless industry standard. TELUS' 4G LTE coverage is capable of delivering manufacturer-rated peak download speeds of up to 75 Mbps (typical speeds of 12 to 25 Mbps expected).
Mbps (megabits per second): A measurement of data transmission speed for the amount of data transferred in a second between two telecommunications points or within a network. Mbps is millions of bits per second and Gbps (gigabits per second) is billions.
MDU (multiple dwelling unit): An apartment or condominium.
MMS (multimedia messaging service): Allows wireless customers to send and receive messages that contain formatted text, graphics, photographs, and audio and video clips.
MVNO (mobile virtual network operator): A mobile service operator without licensed spectrum or network that leases wireless capacity from other carriers to resell to end customers.
non-ILEC (non-incumbent local exchange carrier): The telecommunications operations of TELUS outside its traditional ILEC operating territories, where TELUS competes with the incumbent telephone company (e.g. Ontario, most of Quebec, etc.).
OTT (over-the-top): Content, services and applications in a video environment where the delivery occurs through a medium other than the main video delivery infrastructure.
PCS (personal communications services): Digital wireless voice, data and text messaging services in the 1.9 GHz frequency range.
penetration: The degree, expressed as a percentage, to which a product or service has been sold into or adopted by a base of potential customers in a given geographic area or market segment.
POP: One person living in a populated area that is included in a network's coverage area.
postpaid: A conventional method of payment for service where a subscriber is billed and pays for a significant portion of services and usage in arrears, after consuming the services.
prepaid: A method of payment for wireless service that allows a subscriber to prepay for a set amount of airtime and/or text messaging in advance of actual usage.
PTT (Push To Talk): A two-way communication service that works like a walkie-talkie using a button switch. With PTT, communication can only travel in one direction at any given moment. PTT is provided by TELUS through its Mike service using iDEN technology.
PVR (personal video recorder): An interactive TV set-top box that records and plays back television programs.
roaming: A service offered by wireless network operators that allows subscribers to use their mobile phones while in the service area of another operator.
set-top box: A device that connects to a television and converts a signal into content that is displayed by the television. In IP TV, a set-top box allows two-way communications on the IP network.
SIM (subscriber identification module) card: A small electronic chip used to identify a particular wireless subscriber on the network as a legitimate user. Subscribers can switch between devices and carrier networks by removing the SIM card and inserting it into another unlocked mobile device. The SIM card can store personal information, phone numbers, text messages and other data.
smartphone: An advanced mobile device that provides text messaging, email, multimedia downloads and social networking functionality in addition to voice. TELUS includes in this category iPhone, BlackBerry, Android and other devices.
SMS (short messaging service): A wireless messaging service that permits the transmission of a short text message from and/or to a digital wireless device.
spectrum: The range of electromagnetic radio frequencies used in the transmission of sound, data and video. The capacity of a wireless network is in part a function of the amount of spectrum licensed and utilized by the carrier.
tablet: A portable computer that includes a touchscreen interface with a wireless and/or Wi-Fi connection. It combines the features and portability of a smartphone with the power of a laptop.
VDSL2 (very high-speed digital subscriber line 2): Fibre-to-the-node technology offering accelerated data download rates of up to 30 Mbps, which enables four simultaneous video streams into a home. These rates can be increased further by bonding multiple lines together.
VOD (video on demand): An interactive TV technology that allows customers to access content at their convenience, allowing them to view programming in real time or download and view it later. SVOD (subscription VOD) provides customers with unlimited access to specific subscribed programming.
VoIP (voice over Internet protocol): The transmission of voice signals over the Internet or IP network.
Wi-Fi (wireless fidelity): The commercial name for networking technology that allows any user with a Wi-Fi-enabled device to connect to a wireless access point (e.g. hotspot).
WiMax: A standards-based wireless technology that provides high throughput fixed broadband connections over long distances. The WiMax standard also includes a mobile variation that can be used for cellular service, but mobile WiMax has experienced very limited uptake globally.