Abstract
A modulator and a modulation method for a communication device are disclosed. The modulator is configured to multiplex control symbols and data symbols for transmission in a signal based on information of the distance between the positions of at least two control symbols in a representation of symbol positions in the signal
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A modulator for a communication device, the modulator being configured to multiplex control symbols and data symbols for. transmission in a signal based on information of the distance between the positions of at least two control symbols in a representation of symbol positions in the signal.
2. A modulator as claimed in claim1. wherein the modulator is configured to multiplex the centra! symbols based on at least one Euclidean distance.
3. A modulator as claimed in claim 1 or 2, wherein the modulator is configured to map at least two control symbols into positions that have the largest distance between them.
4. A modulator as claimed in claim 1 or 2, wherein the modulator is configured to map at least two control symbols into positions that ate located at least a predetermined length apart from each other.
5. A modulator as claimed in any preceding claim, wherein the modulator is configured to base the multiplexing also on information about the power on at least one position in the representation.
6. A modulator as claimed in claim 5, wherein the modulator is configured to select positions with the highest power for the control symbols.
7. A modulator as claimed in claim 5, wherein the modulator is configured to select positions with a power ihat exceeds a predefined power threshold for the
8. A modulator as claimed In any preceding claim, wherein the control symbols comprise an acknowledgement by a first communication device of a transimission from a second communication device and the modulator is configured to multiplex the acknowledgement with the data symbols into a signal for transmission from the first communication device.
9. A modulator as claimed in any preceding claim, wherein the modulator is configured to time multiplex the symbols
10. A modulator as claimed in any preceding claim, wherein the modulator is configured to multiplex downlink ACK/MACK symbols with uplink data symbols
11. A modulator as claimed in any preceding claim, wherein the representation comprises a constellation diagram
12. A modulator as claimed in any preceding data, configured for at least one of quadrature amplitude modulation and phase shift keying
13. A station for a communication system comprising a modulator as claimed in any of the preceding claim
14. A station as claimed in claim 13 comprising one of a user device and a base station15. A station as claimed in claim 13 or 14, wherein the station is configured for Evolved Universal Terrestrial Radio Access (E-UTRA)
16. A modulation method, comprising: multiplexing control symbols with data symbols for transmission in a signal based on information of the distance between positions of at least two control symbols in a representation of symbol positions in the signal
17. A method as claimed in claim 16, comprising multiplexing the control . symbols based on at least one Euclidean distance
18. A method as claimed in claim 16 or 17, comprising mapping at least two control symbols into positions that have the largest distance between them
19. A method as claimed in daim 16 or 17, comprising mapping at least two control symbols into positions that are located at least a predetermined length apart from each other.
20. A method as claimed in any of claims 16 to 19, comprising faking also Information about the power on at least one position in the representation into account in the multiplexing.
21. A method as claimed in daim 20, comprising selecting positions with the highest powerfor the control symbols.
22. A method as damned in claim 20, comprising selecting positions with a power that exceeds a predefined power threshold for the control symbols.
23. A method as claimed in any of claims 16 to 22, comprising receiving a transmission by a first communication device from a second communication device; and multiplexing symbols representing an acknowledgement of the transmission by the first communication device with the data symbols into a signal for transmission of data from the first communication device to the second communication device.
24. A method as claimed in any of claims 16 to 23, comprising fine multiplexing symbols.
25. A method as claimed in any of claims 16 to 24, composing multiplexing downlink ACK/NACK symbols with uplink data symbols.
26. A computer program comprising program code means adapted to perform any of steps of any of claims 16 to 25 when the program is run on a processor.
27. A computer program as claimed in claim 26, wherein the processor is for a station of a communication system.
28. A communication system comprising a first communication device and a second communication device, wherein at least one of the devices is configured to multiplex control symbols and data symbols for transmission in a signal to the other device based on information of the distance betøeen the positions of at least two control symbols in a representation of symbol positions in the signal receiving a transmission by a first communication device from a second communication device.
29. A communication system as claimed in claim 28, wherein the control symbols represent an acknowledgement by the first communlcaiion device of a transmission by the second communication device, and the control symbols are mulltiplexed with the data symbols into a signal for transmission of data from the first communication device to the second communication device.']
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.