Resource allocation control
View Patent ↗There are provided measures for resource allocation control. Such measures may exemplarily include allocating resources based on a resource allocation assignment including at least an assignment of a resource allocation amount of granted resources for transmission to logical channels, for which data is available for transmission, according to a priority and a prioritized bit rate of each logical channel, and calculating a metric indicative of a result of the resource allocation in terms of at least one of requirements of the prioritized bit rates of the logical channels and the available data of the logical channels. Such measures may also exemplarily include receiving, from at least one device, a metric indicative of a result of resource allocation at said at least one device in terms of at least one of requirements of prioritized bit rates and available transmission data of logical channels, evaluating the received at least one metric with respect to a resource allocation assignment, and modifying the resource allocation assignment based on a result of the evaluation.
1. A method for operating a user terminal, the method comprising:
obtaining a resource allocation assignment including at least an assignment of a resource allocation amount of granted resources for transmission,
allocating resources out of the granted resources to logical channels, for which data is available for transmission, according to a priority and a prioritized bit rate of each logical channel;
calculating a metric indicative of a result of the resource allocation in terms of at least one of requirements of the prioritized bit rates of the logical channels and the available data of the logical channels; and at least one of:
sending the calculated metric to an access node, and obtaining from the access node a modified resource allocation assignment including at least one of an assignment of a resource allocation amount of granted resources for transmission and an assignment of a resource sharing balance of granted resources between devices involved in the transmission, and
sending the calculated metric to a device involved in the transmission, and obtaining from said device a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device; and/or receiving from a device involved in the transmission the metric of said device, establishing a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device based on the calculated metric and the received metric, and providing the modified resource allocation assignment to said device.
2. The method according to claim 1 , wherein
the resource allocation comprises a first round of allocating resources to the logical channels in a decreasing order of priority of each logical channel up to a prioritized bit rate of each logical channel,
the method further comprises determining whether, as a result of the first round of resource allocation, the granted resources are sufficient for fulfilling the requirements of the prioritized bit rates or the available data of the logical channels, and
the metric calculation comprises summing a data amount of the logical channels, which is not allocated by the first round of resource allocation, and which is necessary to be allocated for fulfilling the requirements of the prioritized bit rates or the available data of the logical channels, if it is determined that the granted resources are not sufficient.
3. The method according to claim 2 , wherein, if it is determined that the granted resources are sufficient,
the resource allocation comprises a second round of allocating resources, which are not allocated by the first round of resource allocation, to the logical channels in a decreasing order of priority of each logical channel, and
the metric calculation comprises summing a data amount of the logical channels, which is allocated by the second round of resource allocation.
4. The method according to claim 3 , wherein at least one of the following applies
the metric calculation further comprises at least one of averaging the summed data amount of the logical channels and forming a ratio with an amount of the granted resources,
the granted resources are represented by a protocol data unit of medium access control, and an amount of the granted resource is represented by the allocatable size of the protocol data unit of medium access control, and
the requirements of the prioritized bit rates or the available data of the logical channels are fulfilled when the prioritized bit rate is provided for each logical channel where the available data for transmission equals or exceeds a data amount according to the prioritized bit rate, and all of the available data is allocated for each logical channel where a data amount according to the prioritized bit rate exceeds the available data for transmission.
5. The method according to claim 1 , wherein
at least one of the following applies:
the transmission is to be part of a device-to-device communication between terminals or an uplink communication between a terminal and an access node, and
the terminal is configured for operation in accordance with long-term evolution specifications.
6. An apparatus for operating a user terminal, the apparatus comprising:
an interface configured for communication with at least another apparatus, and
a processor configured to
obtain, via the interface, a resource allocation assignment including at least an assignment of a resource allocation amount of granted resources for transmission,
allocate resources out of the granted resources to logical channels, for which data is available for transmission, according to a priority and a prioritized bit rate of each logical channel,
calculate a metric indicative of a result of the resource allocation in terms of at least one of requirements of the prioritized bit rates of the logical channels and the available data of the logical channels; and at least one of:
send, via the interface, the calculated metric to an access node, and obtain, from the access node via the interface, a modified resource allocation assignment including at least one of an assignment of a resource allocation amount of granted resources for transmission and an assignment of a resource sharing balance of granted resources between devices involved in the transmission, and
send, via the interface, the calculated metric to a device involved in the transmission and obtain, from said device via the interface, a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device; and/or receive via the interface from a device involved in the transmission the metric of said device, establish a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device based on the calculated metric and the received metric, and provide via the interface the modified resource allocation assignment to said device.
7. The apparatus according to claim 6 , wherein the processor is configured to
perform a first round of allocating resources to the logical channels in a decreasing order of priority of each logical channel up to a prioritized bit rate of each logical channel,
determine whether, as a result of the first round of resource allocation, the granted resources are sufficient for fulfilling the requirements of the prioritized bit rates or the available data of the logical channels, and
sum, for metric calculation, a data amount of the logical channels, which is not allocated by the first round of resource allocation, and which is necessary to be allocated for fulfilling the requirements of the prioritized bit rates or the available data of the logical channels, if it is determined that the granted resources are not sufficient.
8. The apparatus according to claim 7 , wherein, if it is determined that the granted resources are sufficient, the processor is configured to
perform a second round of allocating resources, which are not allocated by the first round of resource allocation, to the logical channels in a decreasing order of priority of each logical channel, and
sum, for metric calculation, a data amount of the logical channels, which is allocated by the second round of resource allocation.
9. The apparatus according to claim 8 , wherein at least one of the following applies
the processor is configured to, for metric calculation, at least one of average the summed data amount of the logical channels and form a ratio with an amount of the granted resources,
the granted resources are represented by a protocol data unit of medium access control, and an amount of the granted resource is represented by the allocatable size of the protocol data unit of medium access control, and
the requirements of the prioritized bit rates or the available data of the logical channels are fulfilled when the prioritized bit rate is provided for each logical channel where the available data for transmission equals or exceeds a data amount according to the prioritized bit rate, and all of the available data is allocated for each logical channel where a data amount according to the prioritized bit rate exceeds the available data for transmission.
10. The apparatus according to claim 9 , wherein
at least one of the following applies:
the transmission is to be part of a device-to-device communication between terminals or an uplink communication between a terminal and an access node, and
the apparatus is configured for operation in accordance with long-term evolution specifications.
11. A non-transitory computer-readable memory storing comprising computer-executable code which, when executed by a processor causes a user terminal hosting the memory and processor to at least:
obtain a resource allocation assignment including at least an assignment of a resource allocation amount of granted resources for transmission,
allocate resources out of the granted resources to logical channels, for which data is available for transmission, according to a priority and a prioritized bit rate of each logical channel,
calculate a metric indicative of a result of the resource allocation in terms of at least one of requirements of the prioritized bit rates of the logical channels and the available data of the logical channels; and at least one of:
send the calculated metric to an access node, and obtain from the access node a modified resource allocation assignment including at least one of an assignment of a resource allocation amount of granted resources for transmission and an assignment of a resource sharing balance of granted resources between devices involved in the transmission, and
send the calculated metric to a device involved in the transmission, and obtain from said device a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device; and/or receiving from a device involved in the transmission the metric of said device, establish a modified resource allocation assignment including an assignment of a resource sharing balance of granted resources with said device based on the calculated metric and the received metric, and provide the modified resource allocation assignment to said device.