Discontinuous transmission/reception in a communications system
First Claim
Patent Images
1. A method comprising:
- transmitting, by a network element, allocation information for suggesting allocation of sets of transmission resources;
negotiating at least one configurable allocation rule for associating at least one sequence of sets of transmission resources with at least one communications device in an active state to allow discontinuous reception at the at least one communications device, wherein at least one of said at least one communications device is configured to monitor allocation information of sets of transmission resources associated with the at least one communications device and wherein said at least one configurable allocation rule defines that a communications device monitors allocation information at least periodically using a first period and a second period , which is shorter than the first period, and conditionally monitors allocation information periodically using the second period wherein the at least one configuration allocation rule defines that the second period is used on one of the following conditions;
the allocation information monitored using the first period does not indicate transmission resources allocated to the communications device until the communication device determines transmission resources allocated to the device,the allocation information monitored using the first period indicates the start of transmission resources allocated to the communications device until the allocation information indicates no more transmission resources allocated to the communication device, andinformation carried by transmission resources associated with the first period is erroneously received by the communications device wherein the second period is used for retransmissions until a positive acknowledgement is received; and
allocating transmission resources for said at least one communications device based at least on said at least one configurable allocation rule.
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Abstract
Allocation information is transmitted in a communications system for indicating allocation of sets of transmission resources to communications devices. At least one allocation rule is defined for associating sequences of sets of transmission resources with communications devices, and a communications device monitors allocation information of sets of transmission resources associated with it. Communications devices are informed of their respective allocation rules. Transmission resources for the communications devices are allocated based at least on said allocation rules.
53 Citations
38 Claims
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1. A method comprising:
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transmitting, by a network element, allocation information for suggesting allocation of sets of transmission resources; negotiating at least one configurable allocation rule for associating at least one sequence of sets of transmission resources with at least one communications device in an active state to allow discontinuous reception at the at least one communications device, wherein at least one of said at least one communications device is configured to monitor allocation information of sets of transmission resources associated with the at least one communications device and wherein said at least one configurable allocation rule defines that a communications device monitors allocation information at least periodically using a first period and a second period , which is shorter than the first period, and conditionally monitors allocation information periodically using the second period wherein the at least one configuration allocation rule defines that the second period is used on one of the following conditions; the allocation information monitored using the first period does not indicate transmission resources allocated to the communications device until the communication device determines transmission resources allocated to the device, the allocation information monitored using the first period indicates the start of transmission resources allocated to the communications device until the allocation information indicates no more transmission resources allocated to the communication device, and information carried by transmission resources associated with the first period is erroneously received by the communications device wherein the second period is used for retransmissions until a positive acknowledgement is received; and allocating transmission resources for said at least one communications device based at least on said at least one configurable allocation rule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to negotiate at least one configurable allocation rule to associate at least one sequence of sets of transmission resources with at least one communications device in an active state to allow discontinuous reception at the at least one communications device, wherein at least one of said at least one communications device is configured to monitor allocation information of sets of transmission resources associated with the at least one communications device and wherein said at least one configurable allocation rule defines that a communications device monitors allocation information at least periodically using a first period and a second period , which is shorter than the first period, and conditionally monitors allocation information periodically using the second period wherein the at least one configuration allocation rule defines that the second period is used on one of the following conditions; the allocation information monitored using the first period does not indicate transmission resources allocated to the communications device until the communication device determines transmission resources allocated to the device, the allocation information monitored using the first period indicates the start of transmission resources allocated to the communications device until the allocation information indicates no more transmission resources allocated to the communication device, and information carried by transmission resources associated with the first period is erroneously received by the communications device wherein the second period is used for retransmissions until a positive acknowledgement is received, and allocate transmission resources for said at least one communications device based at least on said at least one configurable allocation rule. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification