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Glossary
Glossary- 2
BPA105 Bluetooth Protocol Analyzer User Manual -- COMPANY CONFIDENTIAL
1/2001
Bluetooth Host
This is a computing device, peripheral, cellular telephone, access point to
PSTN (public switched telephone network), etc. A host attached to a
Bluetooth unit may communicate with other Bluetooth hosts attached to their
Bluetooth units.
Bluetooth Neighborhood
A Bluetooth application created by Digianswer that provides an interface for
you to interact with Bluetooth systems. Its basic functions are to perform
device and service discovery and to enable you to make service-oriented
connections to other Bluetooth devices.
Bluetooth Service Type
One or more services a device can provide to other devices. The service
information is defined in the service class field of the Bluetooth device class
parameter.
Bluetooth Unit
A voice/data circuit equipment for a short-range, wireless communication
link. It allows voice and data communications between Bluetooth units.
Channel
A logical connection at the L2CAP level between two devices serving a
single application or higher layer protocol.
Channel (Hopping) Sequence
A
pseudo-random sequence of 79 frequencies (23 for the 23MHz system).
The frequency is calculated using the BD_ADDR of the master of the
piconet. The phase in the sequence is derived from an estimate of the master
clock. The channel hopping sequence has a very long period that does not
show repetitive patterns over a short time interval, but which distributes the
hop frequencies equally over the 79 MHz (23 MHz for the 23 MHz system)
during a short time interval. See also Frequency sequence.
CID (Channel Identifier)
An abbreviation for Channel Identifier. Used to identify L2CAP connections.
CLK
An acronym for Clock, this is the master clock that defines the timing used
on a Bluetooth piconet.
CLKE
An estimate of the clock of another device.
CLKN
The native clock of a Bluetooth device. A slave device must add an offset to
its own CLKN to synchronize with the master clock (CLK).
Summary of Contents for BPA105
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