|
本帖最后由 rgmlfofiw 于 2011-10-27 21:46 编辑
附件内容:
葵花宝典第三章PHY层(该部分由outman翻译)
葵花宝典第三章MAC层(数据帧格式部分暂未翻译)
MAC层功能总结
1 产生信标(如果设备是协调器的话)
2 同步设备到信标(在信标使能网络中)
3 使用CSMA-CA访问信道
4 管理GTS信道访问
5 为两个MAC实体(不同的设备)间提供可靠的链接
6 提供安全支持,MAC层负责自己的安全处理,但它的上层决定使用哪一个安全等级。
目录:
3 第三章 ZigBee和IEEE 802.15.4协议层 34
3.1 ZigBee和IEEE 802.15.4网络层 34
3.2 ZigBee和IEEE 802.15.4物理层 34
3.2.1 频率安排 35
3.2.2 能量检测——ED 36
3.2.3 载波检测――CS 36
3.2.4 连接质量指示――LQI 36
3.2.5 空闲频道评估――CCA 37
3.2.6 物理层常量和属性 38
3.2.7 物理层服务 39
3.2.7.1 物理层数据服务 40
3.2.7.2 物理层管理服务 41
3.2.7.2.1 空闲频道评估――CCA 41
3.2.7.2.2 能量检测――ED 42
3.2.7.2.3 打开/关闭发送器 42
3.2.7.2.4 从PHY-PIB中获取信息 42
3.2.7.2.5 设置PHY-PIB属性 42
3.2.8 服务原语 42
3.2.9 物理层的数据包格式 44
3.2.10 物理层的职责总结 45
3.3 IEEE 802.15.4 MAC层 47
3.3.1 信标操作和超帧结构 47
3.3.2 帧间间隔 50
3.3.3 CSMA-CA 51
3.3.3.1 隐藏和暴露节点问题 52
3.3.4 MAC服务 53
3.3.4.1 MAC数据服务 53
3.3.4.2 MAC管理服务 54
3.3.4.2.1 管理MAC PIB 55
3.3.4.2.2 MAC复位 55
3.3.4.2.3 设备加入网络(Association)和退出网络(Disassociation) 55
3.3.4.2.4 通信状态 57
3.3.4.2.5 使能和屏蔽接收器 58
3.3.4.2.6 GTS管理 58
3.3.4.2.7 更新超帧配置 60
3.3.4.2.8 孤立通知(Orphan Notification) 60
3.3.4.2.9 信道扫描 61
3.3.4.2.10 信标通知 62
3.3.4.2.11 与协调器进行同步 62
3.3.4.2.12 从协调器请求数据 62
第三章中缩写词较多,因此附上一份缩写词汇总(勤快的人可以直接去英文版的葵花宝典中看):
缩写词汇总
Abbreviation Phrase
AIB Application Support Layer Information Base
AES Advanced Encryption Standard
AF Application Framework
APDU Application Support Sublayer Protocol Data Unit
APL Application Layer
APS Application Support Sublayer
APSDE Application Support Sublayer Data Entity
APSDE-SAP APSDE-Service Access Point
APSME Application Support Sublayer Management Entity
APSME-SAP APSME-Service Access Point
ASDU APS Service Data Unit
ASK Amplitude Shift Keying
AWGN Additive White Gaussian Noise
BPSK Binary Phase-Shift Keying
BRT Broadcast Retry Timer
BSN Beacon Sequence Number
BTR Broadcast Transaction Record
BTT Broadcast Transaction Table
CAP Contention Access Period
CBC-MAC Cipher Block Chaining Message Authentication Code
CCA Clear Channel Assessment
CCM Counter with CBC-MAC
CCM* CCM (extended version)
CFP Contention-Free Period
CRC Cyclic Redundancy Check
CSMA-CA Carrier Sense Multiple Access with Collision Avoidance
DSN Data Sequence Number
DSSS Direct Sequence Spread Spectrum
ED Energy Detection
EIRP Effective Isotropic Radiated Power
ERP Effective Radiated Power
EVM Error Vector Magnitude
FCS Frame Check Sequence
FFD Full-Function Device
FH Frequency Hopping
FHSS Frequency Hopping Spread Spectrum
GTS Guaranteed Time Slot
HDR Header
IB Information Base
IFS Interframe Spacing
ISM Industrial, Scientific, and Medical
LIFS Long Interframe Spacing
LQI Link Quality Indicator
LR-WPAN Low-Rate Wireless Personal Area Network
LSB Least Significant Bit
MAC Medium Access Control
MCPS MAC Common Part Sublayer
MCPS-SAP MAC Common Part Sublayer Service Access Point
MFR MAC Footer
MHR MAC Header
MIC Message Integrity Code
MLME MAC Layer Management Entity
MLME-SAP MAC Layer Management Entity Service Access Point
MSB Most Significant Bit
MPDU MAC Protocol Data Unit
MSDU MAC Service Data Unit
NF Noise Figure
NHLE Next Higher Layer Entity
NIB Network Layer Information Base
NLDE Network Layer Data Entity
NLDE-SAP Network Layer Data Entity Service Access Point
NLME Network Layer Management Entity
NLME-SAP Network Layer Management Entity Service Access Point
NPDU Network Layer Protocol Data Unit
NSDU Network Service Data Unit
NWK Network Layer
OCDM Orthogonal Code Division Multiplexing
O-QPSK Offset Quadrature Phase-Shift Keying
OSI Open Systems Interconnection
PAN Personal Area Network
PC Personal Computer
PD PHY Data
PD-SAP PHY Data Service Access Point
PER Packet Error Rate
PHR PHY Header
PHY Physical Layer
PIB PAN Information Base
PLME Physical Layer Management Entity
PLME-SAP Physical Layer Management Entity Service Access Point
PN Pseudorandom Noise
POS Personal Operating Space
PPDU PHY Protocol Data Unit
PSD Power Spectral Density
PSDU PHY Service Data Unit
PSSS Parallel Sequence Spread Spectrum
QOS Quality of Service
RF Radio Frequency
RFD Reduced Function Device
RREP Route Reply
RREQ Route Request
RX Receiver
SAP Service Access Point
SFD Start-of-Frame Delimiter
SHR Synchronization Header
SIFS Short Interframe Spacing
SIR Signal-to-Interference Ratio
SNR Signal-to-Noise Ratio
SKKE Symmetric-Key Key Establishment
SSP Security Services Provider
TRX Transceiver
TX Transmitter
WLAN Wireless Local Area Network
WPAN Wireless Personal Area Network
ZDO ZigBee Device Object |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?立即注册
x
|