LTE Icon glossary NACK Negative ACKnowledgment is a signal transmitted to show that one or more blocks of data have not been successfully received and decoded. Negative ACKnowledgment is a signal transmitted to show that one or more blocks of data have not been successfully received and decoded.
Wireless Icon glossary Nanometer (nm) A unit of measurement equal to one billionth of a meter; 10- 9 meters. Typically used to express the wavelength of light, e.g., 1300 nm. A unit of measurement equal to one billionth of a meter; 10- 9 meters. Typically used to express the wavelength of light, e.g., 1300 nm.
Wireless Icon glossary Narrowband Generally, narrowband describes telecommunication that carries voice information in a narrow band of frequencies. More specifically, a specific frequency range set aside by the U.S. FCC for mobile or radio… Generally, narrowband describes telecommunication that carries voice information in a narrow band of frequencies. More specifically, a specific frequency range set aside by the U.S. FCC for mobile or radio services, including paging systems, from 50 cps to 64 Kbps. Show more
Wireless Icon glossary NAT (Network Address Translation) Defined in RFC 1631. A scheme that isolates Subscriber Modules from the Internet. Defined in RFC 1631. A scheme that isolates Subscriber Modules from the Internet.
Wireless Icon glossary NAT (Network Address Translation) For outbound transmission to the Internet, NAT translates a private IP address to a public IP address. It also translates a public IP address to private for inbound transmission on… For outbound transmission to the Internet, NAT translates a private IP address to a public IP address. It also translates a public IP address to private for inbound transmission on the internal network. Show more
Wireless Icon glossary native VLAN VLAN 1 by default, traffic stremming from the native VLAN is not tagged over the trunk link. VLAN 1 by default, traffic stremming from the native VLAN is not tagged over the trunk link.
Wireless Icon glossary NBI (Northbound Interface) The interface within Prizm to higher-level systems. This interface consists of a Simple Network Management Protocol (SNMP) agent for integration with a network management system (NMS); a Simple Object Access… The interface within Prizm to higher-level systems. This interface consists of a Simple Network Management Protocol (SNMP) agent for integration with a network management system (NMS); a Simple Object Access Protocol (SOAP) XML-based application programming interface (API) for web services that supports integration with an operations support systems (OSS) such as a customer relationship management (CRM), billing, or provisioning system; and console automation that allows such higher-level systems to launch and appropriately display the PrizmEMS management console in a custom-developed GUI. Show more
Wireless Icon glossary NBMA (nonbroadcast multiaccess) Frame Relay is one example of an NBMA network. In this WAN type, the design allows multiple clients to attach, but does not allow broadcast messages to be sent to… Frame Relay is one example of an NBMA network. In this WAN type, the design allows multiple clients to attach, but does not allow broadcast messages to be sent to one other. Show more
Wireless Icon glossary NCP (Network Control Protocol) A sublayer protocol of PPP responsible for facilitating multiple Network layer protocols to function over a PPP-encapsulated WAN connection. A sublayer protocol of PPP responsible for facilitating multiple Network layer protocols to function over a PPP-encapsulated WAN connection.
LTE Icon glossary NDS Network Domain Security is the term in the 3G that covers security of the communication between network elements. In particular, the mobile station is not affected by network domain security.… Network Domain Security is the term in the 3G that covers security of the communication between network elements. In particular, the mobile station is not affected by network domain security. The two communicating network elements may both be in the same network administrated by a mobile operator or they may belong to two different networks. Show more
Wireless Icon glossary NEC (National Electrical Code) The set of national wiring standards that are enforced in the U.S.A. The set of national wiring standards that are enforced in the U.S.A.
Wireless Icon glossary NetBIOS Protocol defined in RFC 1001 and RFC 1002 to support an applications programming interface in TCP/IP. This interface allows a computer to transmit and receive data with another host computer… Protocol defined in RFC 1001 and RFC 1002 to support an applications programming interface in TCP/IP. This interface allows a computer to transmit and receive data with another host computer on the network. RFC 1001 defines the concepts and methods. RFC 1002 defines the detailed specifications. Show more
Wireless Icon glossary network ID Also known as a network number or a subnet ID, this is the first IP address in a network. Each host bit for the network ID address is turned off… Also known as a network number or a subnet ID, this is the first IP address in a network. Each host bit for the network ID address is turned off (all 0s). Show more
Wireless Icon glossary network interface Connectivity from an end-user computer to the public network is provided by the network interface. With some interfaces, three LEDs can signal the status of the connection. Connectivity from an end-user computer to the public network is provided by the network interface. With some interfaces, three LEDs can signal the status of the connection.
Wireless Icon glossary Network layer OSI Model Layer 3, the NTP resolves the most advantageous path for packet delivery across the network. Routed protocols like IP are utilized to determine logical addressing that will identify… OSI Model Layer 3, the NTP resolves the most advantageous path for packet delivery across the network. Routed protocols like IP are utilized to determine logical addressing that will identify the destination of a packet. Layer 3 switches can be used at the Network Layer, yet the most common network device implemented at this layer is a router. Show more
Wireless Icon glossary NIC (Network Interface Card) This hardware device deals with an interface to a computer network and enables a network-capable device to gain access to that network. The NIC is on the ‘Data Link Layer’… This hardware device deals with an interface to a computer network and enables a network-capable device to gain access to that network. The NIC is on the ‘Data Link Layer’ (Layer 2) of the OSI model. Show more
LTE Icon glossary NLOS Non-Line-Of-Sight (NLOS) or near-Line-Of-Sight (nLOS) is radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Non-Line-Of-Sight (NLOS) or near-Line-Of-Sight (nLOS) is radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone.
Wireless Icon glossary NMS (Network Management Station) Monitor device that uses Simple Network Management Protocol (SNMP) to control, gather, and report information about predefined network variables (objects). Monitor device that uses Simple Network Management Protocol (SNMP) to control, gather, and report information about predefined network variables (objects).
LTE Icon glossary NSDU Network service data unit, A unit of data passed between the user and the GPRS network across a Network Service Access Point (NSAP). Network service data unit, A unit of data passed between the user and the GPRS network across a Network Service Access Point (NSAP).
Wireless Icon glossary NTP (Network Time Protocol) To provide accurate local time on the end-user system, this Application layer protocol works to synchronize clocks on the Internet. To provide accurate local time on the end-user system, this Application layer protocol works to synchronize clocks on the Internet.
