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RINGRAZIAMENTI ABBREVIAZIONI E ACRONIMI
ACK acknowledgment Volevo innanzitutto ringraziare il Professor Giordano e l’Ingegner
Garroppo per i loro insegnamenti duranti questi anni, per il loro supporto, e l’infinita pazienza dimostrate durante la stesura di questo lavoro.
AID association identifier AP access point
AssocID association identifier
ATIM announcement traffic indication message Ringrazio la mia famiglia, alla quale dedico questo lavoro, per il loro
supporto, per il coraggio e la serenità donatami in questi anni. ATP association timeout period AWGN additive white Gaussian noise Ringrazio i miei amici di oggi e quelli di ieri, per aver creduto in me, e
per aver reso possibile quello che sembrava impossibile. BER bit error rate
BIFS backoff interframe space BSA basic service area BSID beacon source identifier BSS basic service set
BSSID basic service set identification CAP contention access period CBC cipher block chaining
CBC-MAC cipher block chaining-message authentication code CCA clear channel assessment
CF contention free
CFP contention-free period CID connection identifier CP contention period
CRC cyclic redundancy check CRC cyclic redundancy code CS carrier sense
CSMA/CA carrier sense multiple access with collision avoidance CTA channel time allocation
CTAP channel time allocation period CTRq channel time request
CTRqB channel time request block CTS clear to send
CW contention window
DBPSK differential binary phase shift keying DCF distributed coordination function DCS dynamic channel selection DEV device
DEV-host device-host DEVID device identifier
DIFS distributed (coordination function) interframe space DLL data link layer
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DQPSK differential quadrature phase shift keying MSC message sequence chart
DS distribution system MSDU MAC service data unit
DSM distribution system medium N/A not applicable
DSS distribution system service NAV network allocation vector
DSSS direct sequence spread spectrum PAN personal area network
ED energy detection PC point coordinator
EIFS extended interframe space PCF point coordination function
ESA extended service area PDU protocol data unit
ESS extended service set PHY physical layer
FC frame control PHY-SAP physical layer service access point
FCS frame check sequence PIFS point (coordination function) interframe space
FCSL frame convergence sublayer PLCP physical layer convergence protocol
FEC forward error correction PLME physical layer management entity
FER frame error rate PMD physical medium dependent
FER frame error ratio PMD-SAP physical medium dependent service access point
FH frequency hopping PN pseudo-noise (code sequence)
FHSS frequency-hopping spread spectrum PNC piconet coordinator
GFSK Gaussian frequency shift keying PNCID piconet coordinator identifier
IBSS independent basic service set PNID piconet ID
ID identifier PPDU PHY protocol data unit
IDU interface data unit PPDU PLCP protocol data unit
IE information element PPM pulse position modulation
IFS interframe space PRNG pseudo-random number generator
IP internet protocol PS power save (mode)
IR infrared PSPS piconet synchronized power save
ISM industrial, scientific, and medical PSRC power source
IV initialization vector QAM quadrature amplitude modulation
LAN local area network QPSK quadrature phase-shift keying
LLC logical link control RF radio frequency
LME layer management entity RIFS retransmission interframe space
MAC medium access control RSSI received signal strength indication
MAN metropolitan area network RTS request to send
MCDU MAC command data unit RX receive or receiver
MCTA management channel time allocation SAP service access point
MDF management-defined field SDU service data unit
MIB management information base SFD start frame delimiter
MIFS minimum interframe space SIFS short interframe space
MLME MAC sublayer management entity SMT station management
MMPDU MAC management protocol data unit SNR signal to noise ratio
MPDU MAC protocol data unit SPS synchronous power save
msb most significant bit SQ signal quality (PN code correlation strength)
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________________________________________________ 6 BIBLIOGRAFIA
SRC short retry count SS station service
SSAP source service access point
[1] ANSI/IEEE Std 802.11, 1999 Edition (R2003) SSID service set identifier
Local and metropolitan area networks—Specific requirements—
SSRC station short retry count
“Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications “ Reaffirmed 12 June 2003, IEEE-SA Standards Board
STA station
TA transmitter address TCM trellis coded modulation
[2] Dallas Semiconductor MAXXIM– Application note 1890 – An introduction to direct sequence spread spectrum communications TPC transmit power control
TU time unit
[3] N. Golmie, R.E. Van Diyck, A. Soltanian. “Interference of Bluetooth and IEEE 802.11: Simulation Modelling And Performance Evaluation”, National Institute of Standards and Technology.
TX transmit or transmitter WAN wide area network WEP wired equivalent privacy
[4] Bluetooth Special Interest Group, “Specifications of the Bluetooth WLAN wireless local area network
System, vol. 1, v.1.0B ’Core’ and vol. 2 v1.0B ’Profiles’,”
WM wireless medium
December 1999.
WPAN wireless personal area network
[5] IEEE Std. 802-11, “IEEE Standard for Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specification ,” June 1997.
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code keying for rake-based wireless communication,” in
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[10] ANSI/IEEE Standard 802.11, “Local and Metropolitan Area Networks:
Wireless LAN,” 1999 Edition.
[11] J.C. Haartsen, “The Bluetooth Radio System,” IEEE Personal Communications
Magazine, pp. 28–36, February 2000.
[12] Bluetooth Core Specification, http://www.bluetooth.com .
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[13] J. LANsford, MEHTA: A Method for Coexistence between Co- located
802.11b and Bluetooth Systems, IEEE 802.15-00/360r0, November 2000.
http://www.ieee802.org/15/pub/TG2.html .
[14] S. Shellhammer, Collocated Collaborative Coexistence Mechanism:
TDMA of 802.11 and Bluetooth, IEEE 802.15-01/025r0, January 2001.
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[15] B. Treister, H.B. Gan, K.C. Chen, H.K. Chen, A. Batra, and O.
Eliezer,
Components of the AFH Mechanism, IEEE 802.15-01/252r0, May 2001.
http://www.ieee802.org/15/pub/TG2-Coexistence-Mechanisms.html . [16] A. Kamerman, Coexistence between Bluetooth and IEEE 802.11 CCK Solutions
to Avoid Mutual Interference, IEEE 802.11-00/162, July 2000.
[17] S. Shellhammer, Packet Error Rate of an IEEE 802.11 WLAN in the Presence
of Bluetooth, IEEE 802.15-00/133r0, May 2000.
[18] D.C. Johnson, Interference Potential of Wideband Frequency Hopping
Systems on Packet Data Systems, IEEE 802.11-99/205, September 1999.
[ 19] J. Zyren, “Reliability of IEEE 802.11 Hi Rate DSSS WLANs in High
Density Bluetooth Environment,” Bluetooth’99, June 1999.
[20] I. Howitt, “IEEE 802.11 and Bluetooth Coexistence Analysis Methodology,”
IEEE Vehicular Technology Conference (VTC’01), Rodhe IsLANd, Greece, May 2001.
[ 21] C.F. Chiasserini and R.R. Rao, “Performance of IEEE 802.11 WLANs
in a Bluetooth Environment,”, IEEE Wireless Communications and Networking
Conference 2000 (WCNC 2000), Chicago, IL, September 2000.
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