D2D scheduling based on priorities
First Claim
1. A method of communicating using a communications device via a wireless access interface to perform device-to-device communications, the method comprising:
- configuring the communications device withan indication of one or more first communications resources of the wireless access interface which can be allocated on request to the communications device by a mobile communications network for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with the first mode of operation, when the communications device is within a coverage area provided by the mobile communications network, andan indication of one or more second communications resources of the wireless access interface which can be used by the communications device for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with a second mode of operation using a device to device communications protocol, when the communications device is within the coverage area provided by the mobile communications network,receiving, from the mobile communications network, an indication of whether the communications device can use at least one of the first communications resources of the wireless access interface for performing device-to-device communications in accordance with the first mode of operation or the second communications resources of the wireless access interface for performing device to device communications in accordance with the second mode of operation,depending on the indication provided by the mobile communications network and the configuration of the one or more of the first communications resources,transmitting signals to the one or more other communications devices via the first communications resources allocated by the mobile communications network in accordance with a first mode of operation or receiving signals from the one or more other communications devices via the first communications resources, ordepending on the indication provided by the mobile communications network and the configuration of the one or more of the second communications resources, transmitting signals to the one or more other communications devices via the second communications resources or receiving signals from the one or more other communications devices via the second communications resources in accordance with the second mode of operation using the device to device communications protocol,configuring the communications device with one of a predetermined plurality of classes, each of the predetermined classes indicating an access class, each access class having associated therewith an access probability level and a wait time, anddetermining in accordance with the access probability whether the communications device can transmit signals via the first communications resources or the second communications resources depending on the received indication at a current time, and if the communications device cannot transmit signals at the current time according to the access probability waiting for the wait time.
1 Assignment
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Accused Products
Abstract
A communications device and method for performing device-to-device communications. The method includes receiving, from a mobile communications network, an indication of whether a communications device can use at least one of first communications resources of a wireless access interface for performing device-to-device communications in accordance with a first mode of operation or second communications resources of the wireless access interface for performing device to device communications in accordance with the second mode of operation, and depending on the indication provided by the mobile communications network and the configuration of the first communications resources and/or the second communications resources, transmitting signals to the one or more other communications devices via the first communications resources or transmitting signals to the one or more other communications devices via the second communications resources in accordance with the second mode of operation using the device to device communications protocol.
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Citations
17 Claims
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1. A method of communicating using a communications device via a wireless access interface to perform device-to-device communications, the method comprising:
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configuring the communications device with an indication of one or more first communications resources of the wireless access interface which can be allocated on request to the communications device by a mobile communications network for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with the first mode of operation, when the communications device is within a coverage area provided by the mobile communications network, and an indication of one or more second communications resources of the wireless access interface which can be used by the communications device for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with a second mode of operation using a device to device communications protocol, when the communications device is within the coverage area provided by the mobile communications network, receiving, from the mobile communications network, an indication of whether the communications device can use at least one of the first communications resources of the wireless access interface for performing device-to-device communications in accordance with the first mode of operation or the second communications resources of the wireless access interface for performing device to device communications in accordance with the second mode of operation, depending on the indication provided by the mobile communications network and the configuration of the one or more of the first communications resources, transmitting signals to the one or more other communications devices via the first communications resources allocated by the mobile communications network in accordance with a first mode of operation or receiving signals from the one or more other communications devices via the first communications resources, or depending on the indication provided by the mobile communications network and the configuration of the one or more of the second communications resources, transmitting signals to the one or more other communications devices via the second communications resources or receiving signals from the one or more other communications devices via the second communications resources in accordance with the second mode of operation using the device to device communications protocol, configuring the communications device with one of a predetermined plurality of classes, each of the predetermined classes indicating an access class, each access class having associated therewith an access probability level and a wait time, and determining in accordance with the access probability whether the communications device can transmit signals via the first communications resources or the second communications resources depending on the received indication at a current time, and if the communications device cannot transmit signals at the current time according to the access probability waiting for the wait time. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communications device comprising:
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a transmitter configured to transmit signals to one or more other communications devices via a wireless access interface to perform device-to-device communications, a receiver configured to receive signals from the one or more other communications devices via the wireless access interface, and a controller for controlling the transmitter and the receiver to transmit or to receive the signals via the wireless access interface to transmit or to receive data represented by the signals in accordance with a device to device communications, wherein the controller is provided with an indication of one or more first communications resources of the wireless access interface which can be allocated on request to the communications device by a mobile communications network for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with the first mode of operation, when the communications device is within a coverage area provided by the mobile communications network, and an indication of one or more second communications resources of the wireless access interface which can be used by the communications device for transmitting signals to one or more other communications devices or receiving signals from the one or more other communications devices in accordance with a second mode of operation using device to device communications protocol, when the communications device is within the coverage area provided by the mobile communications network, and the controller is configured in combination with the transmitter and the receiver to receive, from the mobile communications network, an indication of whether the communications device can use at least one of the first communications resources of the wireless access interface for performing device-to-device communications in accordance with the first mode of operation or the second communications resources of the wireless access interface for performing device to device communications in accordance with the second mode of operation, and depending on the indication provided by the mobile communications network and the configuration of the one or more of the first communications resources, to transmit signals to the one or more other communications devices via the first communications resources allocated by the mobile communications network in accordance with a first mode of operation or receiving signals from the one or more other communications devices via the first communications resources, or depending on the indication provided by the mobile communications network and the configuration of the one or more of the second communications resources, to transmit signals to the one or more other communications devices via the second communications resources or receiving signals from the one or more other communications devices via the second communications resources in accordance with the second mode of operation using the device to device communications protocol, wherein the controller is provided with one of a predetermined plurality of classes, each of the predetermined classes indicating an access class, each access class having associated therewith an access probability level and a wait time, and the controller is configured in combination with the transmitter to determine in accordance with the access probability whether the communications device can transmit signals via the first communications resources or the second communications resources depending on the received indication at a current time, and if the communications device cannot transmit signals at the current time according to the access probability waiting for the wait time. - View Dependent Claims (8, 9, 10, 11, 12)
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13. The method of communicating using an infrastructure equipment forming part of a mobile communications network, the method comprising
transmitting signals to communications devices via a wireless access interface, receiving signals from the communications devices via the wireless access interface, and controlling the transmitting and the receiving to form the wireless access interface, wherein the controlling the transmitting comprises transmitting an indication to each of one or more of the communications devices identifying whether the communications device, is allowed to access first communications resources of the wireless access interface which can be allocated on request to the communications device by the infrastructure equipment for transmitting signals from the communications device to one or more others of the communications devices or receiving signals from the one or more other communications devices in accordance with the first mode of operation, when the communications device is within a coverage area provided by the infrastructure equipment, and second communications resources of the wireless access interface, which can be used by the communications device for transmitting signals to one or more others of the communications devices or receiving signals from the one or more other communications devices in accordance with a second mode of operation using device to device communications protocol, when the communications device is within the coverage area provided by the mobile communications network, wherein the transmitting the indication to each of one or more of the communications devices identifying whether the communications device is allowed to access at least one of the first communications resources or the second communications resources, comprises identifying a class of each of the one or more communications devices, determining, depending on the class of each communications device, whether the communications device can have access to one or more of the first communications resources of the wireless access interface or the second communications resources of the wireless access interface, generating, for each of the one or more communications devices, the indication as to whether or not the communications device is allowed access to one or more of the first communications resources of the wireless access interface or the second communications resources of the wireless access interface depending on the class of the communications device, and to transmitting to each of the one or more communications device the generated indication for the communications device.
Specification