[Bluetooth] LIST OF ACRONYMS AND ABBREVIATIONS

LIST OF ACRONYMS AND ABBREVIATIONS

 

Acronym or abbreviation	Writing out in full	Comments
8DPSK	8 phase Differential Phase Shift Keying	3 Mb/s modulation type used by Enhanced Data rate
AAD	Additional Authenticated Data
ACI	Antenna Configuration Index
ACK	Acknowledge/Acknowledgment
ACL	Asynchronous Connection-oriented [logical transport]	Reliable or time-bounded, bi-directional, pointto-point
ACL-C	ACL Control [logical link] (LMP)
ACL-U	ACL User [logical link] (L2CAP)
ACO	Authenticated Ciphering Offset
AD	Advertising Data
Adv_idx	Advertising channel index
ADVB	LEAdvertising Broadcast
ADVB-C	LE Advertising Broadcast Control(Logical Link)
ADVB-U	LE Advertising Broadcast User Data (Logical Link)
ADI	AdvDataInfo
AES	Advanced Encryption Standard
AES-CCM	Advanced Encryption Standard - Counter with CBC-MAC
AFH	Adaptive Frequency Hopping
AHS	Adapted Hop Sequence
AoA	Angle of Arrival
AoD	Angle of Departure
APB	Active Peripheral Broadcast [logical transport]	Unreliable, uni-directional broadcast to any devices synchronized with the physical channel
APB-C	APB Control [logical link] (LMP)
APB-U	APB User [logical link] (L2CAP)
ARQ	Automatic Repeat Request
ASK	Amplitude Shift Keying
ATT	Attribute Protocol
BB	Baseband
BCH	Bose, Chaudhuri & Hocquenghem	Type of code The persons who discovered these codes in 1959 (H) and 1960 (B&C)
BD_ADDR	Bluetooth Device Address
BER	Bit Error Rate
BIG	Broadcast Isochronous Group	A group of one or more time-related Broadcast Isochronous Streams
BIS	Broadcast Isochronous Stream	Connectionless isochronous logical transport
BT	Bandwidth Time
C	Central
C.#	Conditional Any number may be used. See [Vol 1] Part E, Section 2.11
CAC	Channel Access Code
CBC-MAC	Cipher Block Chaining Message Authentication Code
CCM	Counter with CBC-MAC
CIG	Connected Isochronous Group	A group of one or more time-related Connected Isochronous Streams
CIS	Connected Isochronous Stream	Point-to-point isochronous logical transport
CLKN	Native Clock
CLK	Central's Clock
CLKE	Estimated Clock
CODEC	COder DECoder
COF	Ciphering Offset
CP	CTEInfo Present	A field in the Data Channel PDU Header to indicate the presence of the CTEInfo field
CPB	Connectionless Peripheral Broadcast	The logical transport enabled by the Connectionless Peripheral Broadcast feature
CRC	Cyclic Redundancy Check
CS	Channel Sounding
CS	Tone Channel Sounding Tone	Unmodulated carrier associated with the phase-based ranging technique
CSA	Core Specification Addendum (In plural Addenda)
CSRK	Connection Signature Resolving Key
CTE	Constant Tone Extension
CTEInfo	Constant Tone Extension Information	A field in the Data Channel PDU Header and the extended advertising header
CTS	Clear to send
CVSD	Continuous Variable Slope Delta Modulation
DAC	Device Access Code
DCI	Default Check Initialization
DEVM	Differential Error Vector Magnitude	Measure of modulation error used for Enhanced Data Rate transmitter testing
DH	Data-High Rate Data packet type for high rate data
DHK	Diversifier Hiding Key
DIAC	Dedicated Inquiry Access Code
DID	(Advertising) Data ID
DIV	Diversifier
DM	Data - Medium Rate	Data packet type for medium rate data
DPSK	Differential Phase Shift Keying	Generic description of Enhanced Data Rate modulation
DQPSK	Differential Quaternary Phase Shift Keying	Modulation type used by Enhanced Data Rate
DRBG	Deterministic Random Bit Generator
DTM	Direct Test Mode
DV	Data Voice Data packet type for data and voice
E	Excluded	See [Vol 1] Part E, Section 2.11
ECLD	Early Commit Late Detect
EDIV	Encrypted Diversifier
EDLC	Early Detect Late Commit
EDR	Enhanced Data Rate
EIR	Extended Inquiry Response	Host supplied information transmitted in the Inquiry Response substate
EIRP	Effective Isotropic Radiated Power	Equivalent power that an isotropic antenna must transmit to provide the same field power density
(e)SCO	Synchronous logical link or Extended Synchronous logical link	SCO or eSCO
eSCO	Extended Synchronous Connection-Oriented [logical transport]	Bi-directional, symmetric or asymmetric, point to-point, general regular data, limited retransmission
eSCO-S	Stream eSCO (unframed)	Used to support isochronous data delivered in a stream without framing
ETSI	European Telecommunications Standards Institute
FAE	Fractional Frequency Offset Actuation Error
FCC	Federal Communications Commission
FCS	Frame Check Sequence
FDMA	Frequency Division Multiple Access
FEC	Forward Error Correction code
FFO	Fractional Frequency Offset
FHS	Frequency Hop Synchronization
FHSS	Frequency Hopping Spread Spectrum
FIFO	First In First Out
FIPS	Federal Information Processing Standards
FM	Frequency Modulation	Modulation type
GAP	Generic Access profile
GATT	Generic Attribute profile
GFSK	Gaussian Frequency Shift Keying
GIAC	General Inquiry Access Code	Used for GAP General Discoverable mode and General Inquiry procedure. See Assigned Numbers.
HCI	Host Controller interface
HEC	Header-Error-Check
HID	Human Interface Device
HV	High quality Voice e.g. HV1 packet
HW	Hardware
IAC	Inquiry Access Code
IC	Industry Canada
IEC	International Electrotechnical Commission
IEEE	Institute of Electrical and Electronics Engineers
IETF	Internet Engineering Task Force
IFS	Inter Frame Space
IP	Internet Protocol
IPv4	Internet Protocol version 4
IPv6	Internet Protocol version 6
IQ	In-phase and Quadrature
IrDA	Infra-red Data Association
IRK	Identity Resolving Key
ISM	Industrial, Scientific, Medical
ISO	International Organization for Standardization
ISO	Isochronous
ISOAL	Isochronous Adaptation Layer	The layer that converts data units from the upper layer to data units in the Link Layer and vice versa
ITU	International Telecommunication Union
IUT	Implementation Under Test
IV	Initialization Vector
IV_C	Initialization Vector (Central)
IV_P	Initialization Vector (Peripheral)
L2CAP	Logical Link Control and Adaptation protocol
LAP	Lower Address Part
LC	Link Controller	Link Controller (or Baseband) part of the Bluetooth protocol stack. Low level Baseband protocol handler
LC	Link Control [logical link]	The control logical links LC and ACL-C are used at the link control level and link manager level, respectively
LE	Low Energy
LEB-C	Low Energy Broadcast Control	A logical link for control of Broadcast Isochronous Streams in a Broadcast Isochronous Group
LE-C	Low Energy Control (link)
LE-F	Low Energy Framed	A logical link for transferring framed isochronous data packets using a Connected or Broadcast Isochronous Stream logical transport
LE-S	Low Energy Stream	A logical link for transferring unframed isochronous data packets using a Connected or Broadcast Isochronous Stream logical transport
LE-U	LE User [logical link]
LFAE	Local Frequency Actuation Error
LFSR	Linear Feedback Shift Register
LIAC	Limited Inquiry Access Code	Used for GAP Limited Discoverable mode and Limited Inquiry procedure. See Assigned Numbers.
LL	Link Layer
LLID	Logical Link Identifier
LM	Link Manager
LMP	Link Manager protocol	For LM peer to peer communication
LR	Loudness Rating
LSB	Least Significant Bit
LSO	Least Significant Octet
LSTO	Link Supervision Timeout event	Controller can send LSTO event to Host
LT_ADDR	Logical Transport ADDRess
LTK	Long-Term Key
M	Mandatory	See [Vol 1] Part E, Section 2.11
MAC	Message Authentication Code
Mb/s	Megabits (millions of bits) per second MD More Data
MIC	Message Integrity Check
MITM	Man-in-the-middle
Msym/s	Megasymbols per second
MSB	Most Significant Bit
mSBC	modified Sub Band Codec	Hands-Free Profile v1.6 or later
MSC	Message sequence chart
MSO	Most Significant Octet
MTU	Maximum Transmission Unit
MWS	Mobile Wireless Standards	For example LTE and WiMAX
N_AP	Number of Antenna Paths
NADM	Normalized Attack Detector Metric
NAK	Negative Acknowledge
NAP	Non-significant Address Part
NESN	Next Expected Sequence Number
NIST	National Institute of Standards and Technology
O	Optional	See [Vol 1] Part E, Section 2.11
OBEX	OBject EXchange protocol
OCF	Opcode Command Field
OGF	Opcode Group Field
OOB	Out of Band
π/4-DQPSK	π/4 Rotated Differential Quaternary Phase Shift Keying	2 Mb/s modulation type used by Enhanced Data Rate
P	Peripheral
PADVB	LE Periodic Advertising Broadcast(Logical Transport)
PAwR	Periodic Advertising with Responses
PBD	Profile Broadcast Data	The name of the logical link enabled by the Connectionless Peripheral Broadcast feature
PBF	Packet Boundary Flag	The device supports the capability to correctly handle HCI ACL Data packets
PBR	Phase-Based Ranging
PCM	Pulse Coded Modulation
PCT	Phase Correction Term
PDU	Protocol Data Unit	A message
PHY	Physical Layer
PIN	Personal Identification Number
PN	Pseudo-random Noise
ppm	Part Per Million
PPP	Point-to-Point Protocol
PRBS	Pseudo Random Bit Sequence
PRNG	Pseudo Random Noise Generation
PSK	Phase Shift Keying	Class of modulation types
ptt	Packet Type Table	The ptt parameter is used to select the logical transport types via LMP.
QoS	Quality of Service
RAND	Random number
RF	Radio Frequency
RFC	Request For Comments
RFCMode	Retransmission and Flow Control Mode
RFCOMM		Serial cable emulation protocol based on ETSI TS 07.10
RFU	Reserved for future use
RMS	Root Mean Square
RPA	Resolvable Private Address
RPL	Reference Power Level
RSSI	Received Signal Strength Indication
RTT	Round-Trip Time
RX	Receive
SAR	Segmentation and Reassembly
SCA	Sleep Clock Accuracy
SCO	Synchronous Connection-Oriented [logical transport]	Bi-directional, symmetric, point-to-point, AV channels
SCO-S	Stream SCO (unframed)	Used to support isochronous data delivered in a stream without framing
SDP	Service Discovery protocol
SDU	Service Data Unit
SEQN	Sequential Numbering scheme
SID	(Advertising) Set ID
SK	Session Key
SKD_C	Session Key Diversifier (Central)	Central portion of the Session Key Diversifier
SKD_P	Session Key Diversifier (Peripheral)	Peripheral portion of the Session Key Diversifier
SM	Security Manager
SMP	Security Manager Protocol
SN	Sequence Number
SNR	Signal-to-Noise Ratio
SRES	Signed Response
SRK	Signature Resolving Key
SSI	Signal Strength Indication
SSP	Secure Simple Pairing
STK	Short Term Key
SW	Software
T_FCS	Time for Frequency Change Spacing
T_FM	Time for Frequency Measurement
T_GD	Time for Guard period
T_IFS	Time Inter Frame Space	Time interval between consecutive packets on same channel index in the situation indicated by the suffix. See [Vol 6] Part B, Section 4.1.1.
T_IP1	Time for Interlude Period 1 (between CS packets)
T_IP2	Time for Interlude Period 2 (between CS tones)
T_MCES	Time Minimum Connection Event Spacing	Minimum time interval between connection events. See [Vol 6] Part B, Section 4.1.5.
T_MSS	Time Minimum Subevent Spacing	Minimum time interval between subevents in the situation indicated by the suffix. See [Vol 6] Part B, Section 4.2.2.
T_PM	Time for Phase Measurement
T_RD	Time for (transmission) RampDown
T_SY	Time for synchronization sequence (CS packet)
TCP/IP	Transport Control Protocol/Internet Protocol
TCS	Telephony Control protocol Specification
TDD	Time-Division Duplex
TDMA	Time Division Multiple Access
TK	Temporary Key
ToA	Time of Arrival
ToD	Time of Departure
ToF	Time of Flight
TX	Transmit
UAP	Upper Address Part
UART	Universal Asynchronous receiver Transmitter
UI	User Interface
ULAP	Upper and Lower Address Parts
USB	Universal Serial Bus
UTF-8	8-bit UCS/Unicode Transformation Format
UUID	Universal Unique Identifier