Balancing of transmission time interval bundling and coordinate multipoint
First Claim
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1. A method comprising:
- determining, by a base station that is serving a user equipment (UE), an uplink coordinated multipoint (CoMP) status of the UE;
based at least in part on the uplink CoMP status of the UE, selecting, by the base station, a transmission time interval (TTI)-bundling mode from a plurality of TTI-bundling modes, wherein;
(a) when the determined uplink CoMP status indicates uplink CoMP is disabled for the UE, a TTI bundling mode having a first bundling size is selected, and(b) when the determined uplink CoMP status indicates uplink CoMP is enabled for the UE, TTI bundling is disabled or a TTI bundling mode having a second bundling size less than the first bundling size is selected; and
receiving, by the base station, an uplink communication from the UE according to the selected TTI-bundling mode.
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Abstract
In a long term evolution (LTE) network, coordinated multipoint (CoMP) and transmission time interval (TTI) bundling can both help to improve uplink communications, but both can also place a burden on network resource. Further, since both utilize redundancy to improve uplink communications, albeit in different ways, use of CoMP and TTI bundling may be considered unnecessary. Accordingly, example methods and systems are provided that may help to balance the application of TTI bundling and CoMP.
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Citations
14 Claims
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1. A method comprising:
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determining, by a base station that is serving a user equipment (UE), an uplink coordinated multipoint (CoMP) status of the UE; based at least in part on the uplink CoMP status of the UE, selecting, by the base station, a transmission time interval (TTI)-bundling mode from a plurality of TTI-bundling modes, wherein; (a) when the determined uplink CoMP status indicates uplink CoMP is disabled for the UE, a TTI bundling mode having a first bundling size is selected, and (b) when the determined uplink CoMP status indicates uplink CoMP is enabled for the UE, TTI bundling is disabled or a TTI bundling mode having a second bundling size less than the first bundling size is selected; and receiving, by the base station, an uplink communication from the UE according to the selected TTI-bundling mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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determining, by a base station that is serving a user equipment (UE), a transmission time interval (TTI) bundling status for the UE; based at least in part on the TTI bundling status, selecting, by the base station, an uplink coordinated multipoint (CoMP) mode from a plurality of uplink CoMP modes, wherein; (a) when the TTI bundling status indicates a TTI bundling mode having a first bundling size, the selected uplink CoMP mode disables uplink CoMP for the UE, and (b) when the TTI bundling status indicates that TTI bundling is disabled or indicates a TTI bundling mode having a second bundling size less than the first bundling size, the selected uplink CoMP mode enables uplink CoMP for the UE; and processing, by the base station, uplink communications from the UE according to the selected uplink CoMP mode. - View Dependent Claims (10)
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11. A system that is configured to provide service in one or more sectors of a wireless communication network, the system comprising:
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a communication interface configured to receive an uplink signal from a UE in a first sector of the wireless communication network; at least one processor; and program instructions stored on a non-transitory computer readable medium and executable by the at least one processor to; determine an uplink coordinated multipoint (CoMP) status of the UE; based at least in part on the uplink CoMP status of the UE, select a transmission time interval (TTI)-bundling mode from a plurality of TTI-bundling modes, wherein;
(a) when the determined uplink CoMP status indicates uplink CoMP is disabled for the UE, a TTI bundling mode having a first bundling size is selected, and (b) when the determined uplink CoMP status indicates uplink CoMP is enabled for the UE, TTI bundling is disabled or a TTI bundling mode having a second bundling size less than the first bundling size is selected; andoperate the communication interface to receive an uplink signal from the UE according to the selected TTI-bundling mode. - View Dependent Claims (12, 13, 14)
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Specification