Handheld
personal computer. A palmtop device or personal digital assistant that can wirelessly
access e-mail, PalmPilot, barcode printers, laser scanners. |
Handoff The process occurring when a wireless network automatically
switches a mobile call to an adjacent cell site. Handover protocol
Tasks: Inform an access point that one of the station change association.
Old AP forwards buffered frames to the new access point. New AP updates filter
tables and forwards frames. Hands-free A feature for mobile phones
that allows the driver to use their car phone without lifting or holding the handset
to their ear HDLS High level Data Link Control. ISO protocol
for link synchronization and error control. HDML handheld device
markup language. Written to allow Internet access from wireless devices such
as handheld personal computers and smart phones. Derived from hypertext markup
language. | HDTV
high definition television. Digital television signals transmitted in the very
high frequency band by national and local TV stations. HDTV promises improved
image broadcasts and compact disc-quality sound. HLR home location
register. A database residing in a local wireless network that checks the
identity of a local subscriber. Hopping code Determines the frequencies
the radio will transmit and in which order HRFWG Home RF Working
Group. Working on the shared wireless access communications in home.
HRT Human readable text. To allowed human to read information about
the item without using a bar code reader. HTML Hyper Text Markup
Language. Standard used on the World Wide Web for defining hypertext links
between documents. |