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Rev 1 Jan.13
Proprietary and Confidential - Contents subject to change
21
5
5: Acronyms
Table 5-1: Acronyms and definitions
Acronym or term
Definition
3GPP
3rd Generation Partnership Project
8PSK
Octagonal Phase Shift Keying
AGC
Automatic Gain Control
A-GPS
Assisted GPS
A-GNSS
Assisted GNSS
API
Application Programming Interface
BER
Bit Error Rate — A measure of receive sensitivity
BLER
Block Error Rate
bluetooth
Wireless protocol for data exchange over short distances
CQI
Channel Quality Indication
COM
Communication port
CS
Circuit-switched
CW
Continuous waveform
dB
Decibel = 10 x log
10
(P1 / P2)
P1 is calculated power; P2 is reference power
Decibel = 20 x log
10
(V1 / V2)
V1 is calculated voltage, V2 is reference voltage
dBm
A logarithmic (base 10) measure of relative power (dB for decibels); relative to
milliwatts (m). A dBm value will be 30 units (1000 times) larger (less negative)
than a dBW value, because of the difference in scale (milliwatts vs. watts).
DC-HSPA+
Dual Carrier HSPA+
DCS
Digital Cellular System
A cellular communication infrastructure that uses the 1.8 GHz radio spectrum.
DL
Downlink (network to mobile)
DUN
Dial-Up Networking
DRX
Discontinuous Reception
DSM
Distributed Shared Memory
DUT
Device Under Test
EDGE
Enhanced Data rates for GSM Evolution
EIRP
Effective (or Equivalent) Isotropic Radiated Power
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