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KG70C
Modulation Symbol. The output of the data modulator before spreading. On the Reverse Traffic
Channel, 64-ary orthogonal modulation is used and six code symbol (when the data rate is 9600bps)
or each repeated code symbol (when the data rate is less than 9600bps) is one modulation symbol.
Ms. Millisecond.
MSB. Most significant bit.
MSC. See Mobile Switching Center.
Multiplex Option. The ability of the multiplex sublayer and lower layer to be tailored to provide special
capabilities. A multiplex option defines such characteristics as the frame format and the rate decision
rules. See also Multiplex Sublayer.
Multiplex Sublayer. One of the conceptual layers of the system that multiplexes and demultiplexes
primary traffic, secondary traffic, and signaling traffic.
NAM. See Number Assignment Module.
Narrow Analog. A type of voice channel that uses 10kHz channel spacing and subaudible signaling.
Neighbor Set. The set of pilots associated with the CDMA Channel that are probable candidates for
handoff. Normally, the Neighbor Set consists of the pilots associated with CDMA Channel that cover
geographical areas near the mobile station. See also Active Set, Candidate Set, and Remaining Set.
A network is a subset of a cellular system, such as an area-wide cellular network, a private group of
base stations, or a group of base stations set up to handle a special requirement. A network can be as
small or as large as needed, as long as it is fully contained within a system. See also System.
Network Identification (NID). A number that uniquely identifies a network within a cellular system.
See also System Identification.
NID. See Network Identification.
Non-Autonomous Registration. A registration method in which the base station initiates registration.
See also Autonomous Registration.
Non-Slotted Mode. An operation mode of the mobile station in which the mobile station continuously
monitors the Paging Channel when in the Mobile Station Idle State.
Ns. Nanosecond.
NULL. Not having any value.
Null Traffic Channel Data. One or more frames of 16 '1's followed by eight '0's sent at the 1200bps
rate. Null Traffic Channel data is sent when no service option is active and no signaling message is
being sent. Null Traffic Channel data serves to maintain the connectivity between the mobile station
and the base station.
Number Assignment Module (NAM). A set of MIN-related parameters stored in the mobile station.
Numeric Information. Numeric information consists of parameters that appear as numeric fields in
message exchanged by the base station and the mobile station and information used to describe the
operation of the mobile station.
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