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TA的排名 46w+

GAP Generic access profile

2020-02-09 12:56:29

SECURITY ARCHITECTURE

The Bluetooth security model includes five distinct security features: pairing,bonding, device authentication, encryption and message integrity.• Pairing: the process for creating one or more shared...

2020-01-31 13:16:40

CHARACTERISTIC DEFINITION

2020-01-27 22:05:42

GATT Profile hierarchy

2020-01-27 13:09:14

UUID

UUID values in the pre-allocated range have aliases that are represented as 16-bit or 32-bit values. These aliases are often called 16-bit and 32-bit UUIDs, but each actually represents a 128-bit UUID...

2020-01-24 10:59:42

蓝牙频段

BR/EDR频段

2020-01-22 08:48:25

蓝牙功率

经典蓝牙功率:power class 1:100mv,20dbmpower class 2:2.5mv,4dbmpower class 3:1mv,0dbm低功耗蓝牙:0.01mv,-20dbm说明:4.0,4.1,4.2版本,功耗为10mv,10dbm

2020-01-21 15:27:41

蓝牙框架

蓝牙速度:The Basic Rate system offerssynchronous and asynchronous connections with data rates of 721.2 kb/s forBasic Rate, 2.1 Mb/s for Enhanced Data Rate and high speed operation up to54 Mb/s with th...

2020-01-16 08:15:50

Packet type

DV:Data Voice. Data packet type for data andvoiceDM: Data - Medium Rate. Data packet type for medium rate dataDH: Data-High Rate. Data packet type for high rate dataHV: High quality Voice. e.g. HV...

2020-01-15 09:27:51

FEC编码

FEC编码:ES流:也叫基本码流,包含视频、音频或数据的连续码流.PES流:也叫打包的基本码流,是将基本码流ES流根据需要分成长度不等的数据包,并加上包头就形成了打包的基本码流PES流.TS流:也叫传输流,是由固定长度为188字节的包组成,含有独立时基的一个或多个节目,适用于误码较多的环境.在DVB-S标准中,只规定了1/2、2/3、3/4、5/6、7/8这5种FEC码率,为什么只规定这5...

2020-01-15 09:11:57

蓝牙学习

ACL(Asynchronous Connectionless)异步无连接链路;对时间要求不敏感的数据通信,如文件数据、控制信令等。SCO(Synochronous Connection Oriented)同步面向连接链路;对时间比较敏感的通信,如:语音;最多只支持3条SCO链路,不支持重传。...

2019-12-23 22:24:53
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