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1. WO2020164837 - ÉQUIPEMENT D'INFRASTRUCTURE, DISPOSITIF ET PROCÉDÉS DE COMMUNICATION

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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CLAIMS

What is claimed is:

1. An infrastructure equipment forming part of a wireless communications network for transmitting data to or receiving data from a plurality of communications devices, the infrastructure equipment providing a cell having a coverage area in which the plurality of communications devices are located, the infrastructure equipment comprising

transmitter circuitry configured to transmit signals to the communications devices via a wireless access interface provided by the wireless communications network,

receiver circuitry configured to receive signals from the communications devices via the wireless access interface, and

controller circuitry configured in combination with the receiver circuitry and the transmitter circuitry

to transmit to the plurality of communications devices an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the plurality of communications devices are to transmit uplink data to the infrastructure equipment,

to receive a first signal comprising a random access preamble and uplink data from one of the communications devices, and

to transmit a random access response message to the one of the communications devices, wherein the one or more of the plurality of uplink data transmission configurations defining the values of the communications parameters in accordance with which the uplink data of the first signal is received by the infrastructure equipment is dependent on a distance between the one of the

communications devices and the infrastructure equipment.

2. An infrastructure equipment according to Claim 1 , wherein the one or more communications parameters comprise communications resources of the wireless access interface in which the uplink data of the first signal is to be transmitted by the plurality of communications devices.

3. An infrastructure equipment according to Claim 2, wherein the uplink data is received from the one of the communications devices in a set of communications resources of the wireless access interface defined by one of the plurality of uplink data transmission configurations, wherein the random access preamble is associated with the set of communications resources.

4. An infrastructure equipment according to Claim 1 , wherein the one or more communications parameters comprise a modulation and coding scheme with which the uplink data of the first signal is to be transmitted by the plurality of communications devices.

5. An infrastructure equipment according to Claim 1, wherein the one or more communications parameters comprise a transmission power with which the uplink data of the first signal is to be transmitted by the plurality of communications devices.

6. An infrastructure equipment according to Claim 1 , wherein the controller is configured in combination with the transmitter to broadcast the indication of all of the plurality of uplink data transmission configurations to be receivable by one or more of the plurality of communications devices.

7. An infrastructure equipment according to Claim 1 , wherein the controller is configured in combination with the transmitter to signal the indication of all of the plurality of uplink data transmission configurations directly to one or more of the plurality of communications devices.

8. An infrastructure equipment according to Claim 1, wherein the indication of the one or more of the plurality of uplink data transmission configurations are signalled in at least one system information block.

9. An infrastructure equipment according to Claim 1 , wherein the indication of the one or more of the plurality of uplink data transmission configurations are fixed and predefined.

10. An infrastructure equipment according to Claim 1, wherein the controller is configured in combination with the transmitter to transmit an indication of a suggested one of the plurality of uplink data transmission configurations to one or more of the plurality of communications devices as part of a radio resource control, RRC, release message indicating that a communications link between the one or more of the communications devices and the infrastructure equipment should either be released or suspended, the suggested one of the plurality of the uplink data transmission configurations being selected for each of the one or more of the plurality of communications devices by the infrastructure equipment based on a most recently known location of the each of the one or more of the plurality of

communications devices.

11. An infrastructure equipment according to Claim 10, wherein the RRC release message comprises an indication of a validity timer defining a period for which the suggested uplink data transmission configuration remains valid for defining how the one or more of the communications devices should transmit uplink data to the infrastructure equipment.

12. An infrastructure equipment according to Claim 10, wherein the RRC release message comprises an indication of a boundary within which a parameter of the one or more of the communications devices must remain for the suggested uplink data transmission configuration to remain valid for defining how the one or more of the communications devices should transmit uplink data to the infrastructure equipment.

13. An infrastructure equipment according to Claim 12, wherein the parameter of the one or more of the communications devices is the distance between the one or more of the communications devices and the infrastructure equipment.

14. An infrastructure equipment according to Claim 12, wherein the parameter of the one or more of the communications devices is a reference signal received power, RSRP, of signals received by the one or more of the communications devices from the infrastructure equipment.

15. An infrastructure equipment according to Claim 1, wherein the controller is configured in combination with the transmitter to transmit an indication of a suggested one of the plurality of uplink data transmission configurations to one or more of the plurality of communications devices as part of an RRC connection reconfiguration message indicating that a communications link between the one or more of the communications devices and the infrastructure equipment should be modified, the suggested one of the plurality of the uplink data transmission configurations being selected for each of the one or more of the plurality of communications devices by the infrastructure equipment based on a most recently known location of the each of the one or more of the plurality of communications devices.

16. A method of operating an infrastructure equipment forming part of a wireless communications network for transmitting data to or receiving data from a plurality of communications devices, the infrastructure equipment providing a cell having a coverage area in which the plurality of

communications devices are located, the method comprising

transmitting, to the plurality of communications devices via a wireless access interface provided by the wireless communications network, an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the plurality of

communications devices are to transmit uplink data to the infrastructure equipment,

receiving, via the wireless access interface, a first signal comprising a random access preamble and uplink data from one of the communications devices, and

transmitting, via the wireless access interface a random access response message to the one of the communications devices,

wherein the one or more of the plurality of uplink data transmission configurations defining the values of the communications parameters in accordance with which the uplink data of the first signal is received by the infrastructure equipment is dependent on a distance between the one of the

communications devices and the infrastructure equipment.

17. Circuitry for an infrastructure equipment forming part of a wireless communications network for transmitting data to or receiving data from a plurality of communications devices, the infrastructure equipment providing a cell having a coverage area in which the plurality of communications devices are located, the infrastructure equipment comprising

transmitter circuitry configured to transmit signals to the communications devices via a wireless access interface provided by the wireless communications network,

receiver circuitry configured to receive signals from the communications devices via the wireless access interface, and

controller circuitry configured in combination with the receiver circuitry and the transmitter circuitry

to transmit to the plurality of communications devices an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the plurality of communications devices are to transmit uplink data to the infrastructure equipment,

to receive a first signal comprising a random access preamble and uplink data from one of the communications devices, and

to transmit a random access response message to the one of the communications devices, wherein the one or more of the plurality of uplink data transmission configurations defining the values of the communications parameters in accordance with which the uplink data of the first signal is received by the infrastructure equipment is dependent on a distance between the one of the

communications devices and the infrastructure equipment.

18. A communications device for transmitting data to or receiving data from an infrastructure equipment forming part of a wireless communications network, the infrastructure equipment providing a cell having a coverage area in which the communications devices is located, the communications device comprising

transmitter circuitry configured to transmit signals to the infrastructure equipment via a wireless access interface provided by the wireless communications network,

receiver circuitry configured to receive signals from the infrastructure equipment via the wireless access interface, and

controller circuitry configured in combination with the receiver circuitry and the transmitter circuitry

to determine a distance between the communications device and the infrastructure equipment, to receive from the infrastructure equipment an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the communications device is to transmit uplink data to the infrastructure equipment,

to determine that one of the indicated uplink data transmission configurations should be used to transmit uplink data to the infrastructure equipment dependent on distance between the communications device and the infrastructure equipment,

to transmit a first signal comprising a random access preamble and uplink data to the

infrastructure equipment in accordance with values of the parameters defined by the determined uplink data transmission configuration, and

to receive a random access response message from the infrastructure equipment.

19. A communications device according to Claim 18, wherein the one or more communications parameters comprise communications resources of the wireless access interface in which the uplink data of the first signal is to be transmitted by the communications device.

20. A communications device according to Claim 19, wherein the controller and the transmitter are configured in combination to transmit the uplink data to the infrastructure equipment in a set of communications resources of the wireless access interface defined by one of the plurality of uplink data transmission configurations, wherein the random access preamble is associated with the set of communications resources.

21. A communications device according to Claim 18, wherein the one or more communications parameters comprise a modulation and coding scheme with which the uplink data of the first signal is to be transmitted by the communications device.

22. A communications device according to Claim 18, wherein the one or more communications parameters comprise a transmission power with which the uplink data of the first signal is to be transmitted by the communications device.

23. A communications device according to Claim 18, wherein the controller is configured in combination with the receiver to receive the indication of all of the plurality of uplink data transmission configurations via a broadcast from the infrastructure equipment.

24. A communications device according to Claim 18, wherein the controller is configured in combination with the receiver to receive the indication of all of the plurality of uplink data transmission configurations via dedicated signalling from the infrastructure equipment.

25. A communications device according to Claim 18, wherein the indication of the one or more of the plurality of uplink data transmission configurations are signalled in at least one system information block.

26. A communications device according to Claim 18, wherein the indication of the one or more of the plurality of uplink data transmission configurations are fixed and predefined.

27. A communications device according to Claim 18, wherein the communications device is configured to determine the distance between the communications device and the infrastructure equipment by performing a calculation based on a location of the communications device with respect to a location of the infrastructure equipment.

28. A communications device according to Claim 18, wherein the controller is configured in combination with the receiver to receive an indication of a suggested one of the plurality of uplink data transmission configurations from the infrastructure equipment as part of a radio resource control, RRC, release message indicating that a communications link between the communications device and the infrastructure equipment should either be released or suspended, the suggested one of the plurality of the uplink data transmission configurations being selected for the communications device by the

infrastructure equipment based on a most recently known location of the communications device.

29. A communications device according to Claim 28, wherein the RRC release message comprises an indication of a validity timer defining a period for which the suggested uplink data transmission configuration remains valid for defining how the communications device should transmit uplink data to the infrastructure equipment.

30. A communications device according to Claim 28, wherein the RRC release message comprises an indication of a boundary within which a parameter of the communications device must remain for the suggested uplink data transmission configuration to remain valid for defining how the communications device should transmit uplink data to the infrastructure equipment.

31. A communications device according to Claim 30, wherein the parameter of communications device is the distance between the communications device and the infrastructure equipment.

32. A communications device according to Claim 30, wherein the parameter of the communications device is a reference signal received power, RSRP, of signals received by the communications device from the infrastructure equipment.

33. A communications device according to Claim 28, wherein the controller and the transmitter and configured in combination to transmit the first signal to the infrastructure equipment in accordance with values of the parameters defined by the suggested one of the plurality of uplink data transmission configurations.

34. A communications device according to Claim 18, wherein the controller is configured in combination with the receiver to receive an indication of a suggested one of the plurality of uplink data transmission configurations from the infrastructure equipment as part of an RRC connection

reconfiguration message indicating that a communications link between the communications device and the infrastructure equipment should be modified, the suggested one of the plurality of the uplink data transmission configurations being selected for the communications device by the infrastructure equipment based on a most recently known location of the communications device.

35. A communications device according to Claim 34, wherein the controller and the transmitter and configured in combination to transmit the first signal to the infrastructure equipment in accordance with values of the parameters defined by the suggested one of the plurality of uplink data transmission configurations.

36. A method of operating a communications device for transmitting data to or receiving data from an infrastructure equipment forming part of a wireless communications network, the infrastructure equipment providing a cell having a coverage area in which the communications devices is located, the method comprising

determining a distance between the communications device and the infrastructure equipment, receiving, from the infrastructure equipment via a wireless access interface provided by the wireless communications network, an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the communications device is to transmit uplink data to the infrastructure equipment,

determining that one of the indicated uplink data transmission configurations should be used to transmit uplink data to the infrastructure equipment dependent on distance between the communications device and the infrastructure equipment,

transmitting, via the wireless access interface, a first signal comprising a random access preamble and uplink data to the infrastructure equipment in accordance with values of the parameters defined by the determined uplink data transmission configuration, and

receiving, via the wireless access interface, a random access response message from the infrastructure equipment.

37. Circuitry for a communications device for transmitting data to or receiving data from an infrastructure equipment forming part of a wireless communications network, the infrastructure equipment providing a cell having a coverage area in which the communications devices is located, the communications device comprising

transmitter circuitry configured to transmit signals to the infrastructure equipment via a wireless access interface provided by the wireless communications network,

receiver circuitry configured to receive signals from the infrastructure equipment via the wireless access interface, and

controller circuitry configured in combination with the receiver circuitry and the transmitter circuitry

to determine a distance between the communications device and the infrastructure equipment, to receive from the infrastructure equipment an indication of one or more of a plurality of uplink data transmission configurations, the uplink data transmission configurations each defining different values of a set of one or more communications parameters in accordance with which the communications device is to transmit uplink data to the infrastructure equipment,

to determine that one of the indicated uplink data transmission configurations should be used to transmit uplink data to the infrastructure equipment dependent on distance between the communications device and the infrastructure equipment,

to transmit a first signal comprising a random access preamble and uplink data to the infrastructure equipment in accordance with values of the parameters defined by the determined uplink data transmission configuration, and

to receive a random access response message from the infrastructure equipment.