Bluetooth Core Specification

8DPSK

8 phase Differential Phase Shift Keying

3 Mb/s modulation type used by Enhanced Data rate

AAD

Additional Authenticated Data

AC

Access Category

ACI

Access Category Index

ACK

Acknowledge/Acknowledgment

ACL

Asynchronous Connection-oriented [logical transport]

Reliable or time-bounded, bi-directional, point-to-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

LE Advertising 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

AGC

Automatic Gain Control

AHS

Adapted Hop Sequence

AIFSN

Arbitration Interframe Space Number

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

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 Cipher Block Chaining-Message Authentication Code

CCMP

CTR with CBC-MAC Protocol

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

CL

Connectionless

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

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

DA

Destination address

DAC

Device Access Code

DCE

Data Communication Equipment

DCE

Data Circuit-Terminating Equipment

In serial communications, DCE refers to a device between the communication endpoints whose sole task is to facilitate the communications process; typically a modem

DCI

Default Check Initialization

DEVM

Differential Error Vector Magnitude

Measure of modulation error used for Enhanced Data Rate transmitter testing

DFS

Dynamic Frequency Selection

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

DSAP

Destination Service Access Point

DTE

Data Terminal Equipment

In serial communications, DTE refers to a device at the endpoint of the communications path; typically a computer or terminal.

DTM

Direct Test Mode

DUT

Device Under Test

DV

Data Voice

Data packet type for data and voice

E

Excluded

See [Vol 1] Part E, Section 2.11

ECWmax

Enhanced Contention Window maximum

ECWmim

Enhanced Contention Window minimum

ED

Erroneous Data

EDCA

Enhanced Distributed Channel Access

EDIV

Encrypted Diversifier

EDR

Enhanced Data Rate

EFS

Extended Flow Specification

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

EOC

Extreme Operating Conditions

EPR

Encryption Pause and Resume

Mode allowing the device to initiate the pause and resume encryption sequence

ER

Encryption Root

ERP

Extended Rate PHY conforming to Clause 19

(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

ESS

Extended Service Set

ETSI

European Telecommunications Standards Institute

FCC

Federal Communications Commission

FCS

Frame Check Sequence

FDMA

Frequency Division Multiple Access

FEC

Forward Error Correction code

FH

Frequency Hopping

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

IR

Identity Root

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)

JRL

Japanese Radio Law

KCC

Korea Communications Commission

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.

LCP

Link Control protocol

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]

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

LLCP

Link Layer Control protocol

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

Medium Access Control

MAC

Message Authentication Code

Usually meaning the Medium Access Control code

Mb/s

Megabits (millions of bits) per second

MD

More Data

MIC

Message Integrity Check

MIIT

Ministry of Industry and Information Technology

MITM

Man-in-the-middle

MMI

Man Machine Interface

MS

Mobile Station

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

NAK

Negative Acknowledge

NAP

Non-significant Address Part

NCC

National Communications Commission

NESN

Next Expected Sequence Number

NIST

National Institute of Standards and Technology

NOC

Normal Operating Conditions

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

$\text{π}$/4-DQPSK

$\text{π}$/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

PCM

Pulse Coded Modulation

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

PSTN

Public Switched Telephone Network

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

RSSI

Received Signal Strength Indication

RX

Receive

SAP

Service Access Points

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

SD

Service Discovery

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

SLR

Send Loudness Ring

SM

Security Manager

SMP

Security Manager Protocol

SN

Sequence Number

SRES

Signed Response

SRK

Signature Resolving Key

SS

Supplementary Services

SSI

Signal Strength Indication

SSP

Secure Simple Pairing

Simplifies the pairing process and improves Bluetooth security

SSR

Sniff Subrating

A mode that defines the anchor points at which the Central transmits to the Peripheral.

STK

Short Term Key

STP

Synchronization Train Packet

Packets transmitted using the Synchronization Train feature

SW

Software

T_IFS

Time Inter Frame Space

Time interval between consecutive packets on same channel index

TC

Test Control

Test Control layer for the test interface

TCP/IP

Transport Control Protocol/Internet Protocol

TCS

Telephony Control protocol Specification

TDD

Time-Division Duplex

TDMA

Time Division Multiple Access

TK

Temporary Key

TX

Transmit

UAP

Upper Address Part

UART

Universal Asynchronous receiver Transmitter

UI

User Interface

UI

Unnumbered Information

ULAP

Upper and Lower Address Parts

USB

Universal Serial Bus

UTF-8

8-bit UCS/Unicode Transformation Format

UUID

Universal Unique Identifier

WAP

Wireless Application Protocol