VARIABLE FREQUENCY SPACING IN A FDD COMMUNICATION SYSTEM

A wireless communications system 300 includes a wireless serving communication unit 322 serving a plurality of remote units 312-316 with a communication resource 318-320. The at least one wireless serving communication unit 322 includes a transmitter (421, see figure 4) for transmitting data on an o...

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Bibliographic Details
Main Author SERFATY, SALOMON
Format Patent
LanguageEnglish
French
German
Published 20.10.2004
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A wireless communications system 300 includes a wireless serving communication unit 322 serving a plurality of remote units 312-316 with a communication resource 318-320. The at least one wireless serving communication unit 322 includes a transmitter (421, see figure 4) for transmitting data on an outbound communication resource, and a receiver (422, see figure 4) for receiving a communication on an inbound communication resource, wherein said inbound and outbound resources have a variable communication resource offset. Said resource offset may be a frequency difference between inbound and outbound resources in FDD or a inbound and outbound timeslot separation in TDD. Information relating to said resource offset may be encrypted and transmitted to at least one of said remote units. Also disclosed is a communication unit 322-332, 312-316 adapted to operate in said communications system 300, and a method of communication. By using a variable communication resource offset, the potential for a third party to jam a communication between the wireless serving unit 322 and a remote unit 312-316 is reduced.
Bibliography:Application Number: EP20020791835