Glossary of Technical Terms Issue 14
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Glossary of Technical Terms Issue 14 Page 1 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Document History Revision Date Change Reason 1 07 APR 08 Original publication of this document 2 03 DEC 08 Update 3 06 APR 09 Update 4 26 NOV 09 Update 5 01 JUN 10 Update 6 18 OCT 10 Update 7 24 MAR 11 Update 8 29 JUN 11 Update 9 28 SEP 11 Update Glossary of Technical Terms 10 30 MAR 12 Update 11 20 JUL 12 Update 12 09 OCT 12 Update 13 26 DEC 12 Update 14 08 NOV 11 Updated to current CSR branding If you have any comments about this document, email [email protected] giving the number, title and section with your feedback. 1 Introduction This document defines the technical terms used by CSR. Terms and Definitions Term Definition 2DRMS Twice the Distance Root Mean Square 2G 2nd Generation of mobile communications technology 2WH 2-Way Handshake (e.g. WPA) 3G 3rd Generation of mobile communications technology 3GPP™ 3rd Generation Partnership Project, a collaboration between groups of telecommunications associations, to make a globally applicable 3rd Generation mobile phone system specification 3WH 3-Way Handshake (e.g. TCP) 4WH 4-Way Handshake (e.g. WPA, WPA2) 802® A family of IEEE standards covering metropolitan area networks and local area networks 802.11™ WLAN specification defined by a working group within the IEEE Page 2 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition 8DPSK 8-phase Differential Phase Shift Keying π/4 DQPSK π/4 rotated Differential Quaternary Phase Shift Keying µ-law Audio companding standard (G.711) A-GPS Assisted Global Positioning System A-law Audio companding standard (G.711) A/V Audio/Video A2DP Advanced Audio Distribution Profile AAC Advanced Audio Coding AAC-LC Advanced Audio Coding Low Complexity AAC-LTP Advanced Audio Coding Long Term Prediction AARP AppleTalk Address Resolution Protocol Glossary of Technical Terms ABCSP Variant of BCSP designed for embedded applications ABM Asynchronous Balanced Mode ABP Almanac Based Positioning ABS Anti-lock Braking System AC Access Category AC Admission Control AC Alternating Current ACELP Algebraic CELP ACES (Motorola) Automotive Communications and Electronic Systems ACK ACKnowledge ACL Application Control Layer ACL Asynchronous Connection-oriented ACLR Adjacent Channel Leakage Ratio ACO Authenticated Ciphering Offset ACP Adjacent Channel Power ACQCLK ACQuisition CLocK (RF analogue to digital sample clock) ACR Advanced Communications Riser ACT Asian Compression for TrueType ActiveSync A synchronisation program developed by Microsoft that allows a mobile device to be synchronised with a desktop PC or a server ad-hoc In wireless communication, ad-hoc is discovering and communicating to other devices with peer- to-peer communications without using central access points ADC Analogue to Digital Converter Page 3 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition ADDTS ADD Traffic Stream ADL Application Data Layer ADPCM Adaptive Differential Pulse Code Modulation (e.g. G.726) AE Auto(matic) Exposure AEC Acoustic Echo Cancellation AEQ Adaptive EQualiser AES Advanced Encryption Standard AES Audio Engineering Society AF Alternative Frequencies list AF Auto(matic) Focus AFC Automatic Frequency Control Glossary of Technical Terms AFE Analogue Front-End AFH Adaptive Frequency Hopping AG Address Generator AG Audio Gateway AGC Automatic Gain Control AGHFP Audio Gateway Hands Free Profile AGP Auto Generated Payload AGR Automatic Gain Reduction AHB Advanced High-performance Bus AIC Advanced Interrupt Controller AIFS Arbitration InterFrame Space AIO Analogue Input/Output AIO Asynchronous Input/Output ALC Automatic Level Control ALU Arithmetic Logic Unit AM Amplitude Modulation AM_ADDR Active Member ADDRess AMBA Advanced Microprocessor Bus Architecture (ARM standard) AMP Alternate MAC/PHY AMR Adaptive Multi-Rate AMR-WB AMR Wide-Band (G.722.2) AMUX Analogue MUltipleXor Page 4 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition AP Access Point AP Access Preamble APB Advanced Peripheral Bus APE Audio file format from Monkey's Audio API Application Programming Interface APM Advanced Power Management APME Access Point Management Entity APSD Automatic Power-Save Delivery ARIB Association of Radio Industries and Businesses AR_ADDR Access Request Address ARC4 Alleged Rivest Cipher 4 Glossary of Technical Terms ARM Advanced RISC Machines ARP Address Resolution Protocol ARQ Automatic Repeat reQuest AS Authentication Server ASB Anti-SideBand ASCII American Standard Code for Information Interchange ASD Application Specific Device ASF Advanced Streaming Format ASIC Application Specific Integrated Circuit ASN.1 Abstract Syntax Notation One ASSP Application-Specific Standard Product AT ATtention, modem command AT ATtenuation AT Terminal control commands ATA Advanced Technology Attachment ATE Automatic Test Equipment ATIM Announcement Traffic Indication Message ATM Asynchronous Transfer Mode ATP Adaptive TricklePower ATS Abstract Test Suite ATS Application Test Suite ATT ATTribute protocol Page 5 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition AuriStream CSR proprietary ADPCM codec AUX Auxiliary AVCTP Audio/Video Control Transport Protocol AVDTP Audio/Video Distribution Transport Protocol AVI Audio Video Interleave AVRCP Audio/Video Remote Control Profile AWB Automatic White Balance b Bit B Byte B/W BandWidth BAF Benefield Anechoic Facility Glossary of Technical Terms balun balanced/unbalanced interface or device that changes a balanced output to an unbalanced input or vice versa BAR Base Address Register BB BaseBand BBRAM Battery Backed RAM BC BlueCore BCCH Broadcast Control CHannel BCCMD BlueCore CoMmanD BCD Binary Coded Decimal BCH Bose-Chaudhuri-Hochquenghem error correction code BCHS BlueCore Host Software BCSP BlueCore Serial Protocol BD_ADDR Bluetooth Device ADDRess BDF Bitstream Distribution Format BDR Basic Data Rate BDR Battery Divider Ratio BE Best-Effort BE Broadcast Ephemeris BEC Bit Error Concealment BER Basic Encoding Rules BER Bit Error Rate BFI Bad Frame Indicator BGA Ball Grid Array Page 6 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition BHT Bluetooth Hardware Timer BIOS Basic Input Output System BIP Basic Imaging Profile BIP Broadcast Integrity Protocol BIST Built-In Self-Test BIU Bus Interface Unit (external memory interface) BK BacKground BLE Bluetooth low energy Block Ack Block Acknowledge BlueCore® Group term for CSR’s range of Bluetooth wireless technology ICs BlueICE BlueCore Input Connection Enhancement Glossary of Technical Terms BlueFlash Software for programming BlueCore’s associated flash device BlueLab® CSR’s development toolset for building applications to run in the firmware’s VM BlueSuite® BlueCore family of software utilities for Bluetooth evaluation and development BlueTest A programme in the BlueSuite family that runs a BlueCore chip's self test routines Bluetooth® Set of technologies providing audio and data transfer over short-range radio connections Bluetooth APM Bluetooth Advanced Power Management BLS Black Light Scaling BMC Burst Mode Controller BMM Base Memory Managers BNEP Bluetooth Network Encapsulation Protocol BOM Bill Of Materials BON Bed Of Nails bpp bits per pixel bps Bits Per Second BPSK Binary Phase Shift Keying BQA Bluetooth Qualification Administrator BQB Bluetooth Qualification Body BQP Bluetooth Qualification Program BQRB Bluetooth Qualification Review Board BQTF Bluetooth Qualification Test Facility BRC Bit Rate Control BSC Base Station Controller Page 7 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition BSD Berkeley Standard Distribution BSP Board Support Package BSS Base Station Subsystem BSS Basic Service Set BSSID BSS IDentification (network address) BSSLAP Base Station System Location services Assistance Protocol BSSMAP Base Station System Management Application Part BT Bluetooth BTA Bluetooth Technical Assessors BTAB Bluetooth Technical Advisory Board BTCli Bluetooth Command Line Interface Glossary of Technical Terms BTI WG Bluetooth Test and Interoperability Working Group BTL Bridge Tied Load BTS Base Transceiver Station C/A Code Coarse/Acquisition Code C/I Carrier over Interferer C/N Carrier over Noise C/No Carrier to Noise Density C99 ISO/IEC 9899:1999 (past version of C programming language) CAB CABinet, a file format used in a variety of Microsoft installation engines CABAC Context-based Adaptive Binary Arithmetic Code CAC Channel Access Code CAE Computer Aided Engineering Capability The functional behaviour of a DSPManager operator CardBus 32-bit high performance bus mastering architecture for PC cards CAS Column Address Strobe Casira™ Bluetooth development hardware from CSR CATS CSR Automated Test System. A general test execution framework for hardware and software CB Core Board CC Call Control CCA Clear Channel Assessment CCCR Card Common Control Registers CCD Charge-Coupled Device Page 8 of 48 CS-119471-UGP14 © Cambridge Silicon Radio Limited 2008 - 2013 www.csr.com Term Definition CCH Control CHannel CCIR International Telecommunication Union - Radiocommunications sector (formerly CCIR) CCK Complementary Code Keying CCM Colour Conversion Manager CCMP CTR (Counter mode) with CBC-MAC (Cipher Block Chaining-Message Authentication Code) Protocol CCX Cisco Compatible eXtensions CDAC Digital to Analogue Converter Capacitor CD ROM