Signalling method and telecommunication system
First Claim
1. A signalling method in a wireless digital telecommunication system between a base station and a terminal, the method comprising steps of generating the signals between the base station and the terminal from bursts comprising symbols, the bursts comprising a known training sequence, generating from symbols a second training sequence of the same length as the known training sequence, generating a burst comprising said second training sequence, using the burst comprising said second training sequence for transmitting at least one signalling message, and using stealing symbols in the burst comprising said second training sequence for specifying the signalling message to be transmitted.
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Abstract
A signalling method in a wireless digital telecommunication system between a base station and a terminal, where the signals between the base station and the terminal are generated from bursts comprising symbols, the bursts comprising a known training sequence. The symbols are used for generating a second training sequence of the same length as the known training sequence and a burst comprising said training sequence to be used for transmitting signalling messages. The number of training sequences used can be restricted to two, whereby conventional user data is sent in the burst comprising the known training sequence and information deviating from the conventional user data is sent by the burst comprising the second training sequence, and the stealing symbols in the burst can be used for specifying a signalling message to be transmitted.
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Citations
14 Claims
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1. A signalling method in a wireless digital telecommunication system between a base station and a terminal, the method comprising steps of
generating the signals between the base station and the terminal from bursts comprising symbols, the bursts comprising a known training sequence, generating from symbols a second training sequence of the same length as the known training sequence, generating a burst comprising said second training sequence, using the burst comprising said second training sequence for transmitting at least one signalling message, and using stealing symbols in the burst comprising said second training sequence for specifying the signalling message to be transmitted.
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10. A wireless digital telecommunication system for signalling between a base station and a terminal, where the signals to be transmitted over a radio connection between the base station and the terminal comprise bursts generated from symbols, the bursts comprising a known training sequence, the system comprising at least one transmitter and at least one receiver, whereof
the transmitter comprises means for generating said training sequence, means for generating a second training sequence of the same length as the known training sequence and means for generating a burst comprising said second training sequence and for coding a signalling message into said burst and the receiver comprises means for identifying said training sequence, means for receiving the burst comprising said second training sequence, means for identifying said second training sequence and means for decoding the coded signalling message in said burst, wherein at least one stealing symbol in the burst comprising said second training sequence is arranged to specify the contents in the signalling message to be transmitted.
Specification