Method and Network Node for Providing Radio Resources for Radio Communication in a Cellular Network
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Abstract
A method and network node (600) for providing radio resources in resource blocks in frequency domain in a first system bandwidth (BW1) and in a second system bandwidth (BW2) different than the first system bandwidth and overlapping the first system bandwidth, wherein the first and second system bandwidths have a common frequency centre. The network node (600) applies a number of resource blocks in the first system bandwidth,and appliesan even or odd number of resource blocks in the second system bandwidth when the number of resource blocks in the first system bandwidth is even or odd, respectively. Thereby, an even or odd number of resource blocks is applied in both system bandwidth (BW1, BW2) such that successive resource blocks in frequency are aligned across the first and second system bandwidths (BW1, BW2) which enables full utilization of the potential capacity. The network node further signals an indication of the applied number of resource blocks in at least one of the first and second system bandwidths to at least one mobile terminal (604, 606).
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A method performed by a network node of a cellular network for radio communication, for providing radio resources in resource blocks in the frequency domain in a first system bandwidth and in a second system bandwidth, wherein the second system bandwidth is different than the first system bandwidth and overlaps the first system bandwidth, wherein the first and second system bandwidths have a common frequency center and the radio resources are used for radio communication with mobile terminals in a cell or coverage area of the cellular network, the method comprising:
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applying a number of resource blocks in the first system bandwidth; applying an even number of resource blocks in the second system bandwidth, when the number of resource blocks in the first system bandwidth is even; applying an odd number of resource blocks in the second system bandwidth, when the number of resource blocks in the first system bandwidth is odd; and signaling an indication of the applied number of resource blocks in at least one of the first and second system bandwidths, to at least one mobile terminal in the cell or coverage area. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A network node configured for operation in a cellular network for radio communication, the network node being configured to provide radio resources in resource blocks in the frequency domain in a first system bandwidth and in a second system bandwidth, wherein the second system bandwidth is different than the first system bandwidth and overlaps the first system bandwidth, wherein the first and second system bandwidths have a common frequency center and the radio resources are used for radio communication with mobile terminals in a cell or coverage area of the cellular network, and wherein the network node comprises:
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a processing circuit configured to; apply a number of resource blocks in the first system bandwidth; apply an even number of resource blocks in the second system bandwidth, when the number of resource blocks in the first system bandwidth is even; and apply an odd number of resource blocks in the second system bandwidth, when the number of resource blocks in the first system bandwidth is odd; and a signaling circuit configured to signal an indication of the applied number of resource blocks in at least one of the first and second system bandwidths, to at least one mobile terminal in the cell or coverage area. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38)
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39. A method performed by a mobile terminal connected to a serving radio node of a cellular network employing a first system bandwidth and a second system bandwidth for radio communication, wherein the second system bandwidth is different than the first system bandwidth and overlaps the first system bandwidth and the first and second system bandwidths have a common frequency center, and wherein the method comprises:
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receiving from the serving radio node a signaled difference between the number of resource blocks in the second system bandwidth and the number of resource blocks in the first system bandwidth, wherein the signaled difference is received as an even delta value, such that both numbers of resource blocks in the first and second system bandwidths are even or odd; and determining the number of resource blocks in the second system bandwidth, based on the number of resource blocks in the first system bandwidth and the signaled difference.
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40. A mobile terminal configured to be connected to a serving radio node of a cellular network employing a first system bandwidth and a second system bandwidth for radio communication, wherein the second system bandwidth is different than the first system bandwidth and overlaps the first system bandwidth and the first and second system bandwidths have a common frequency center, and wherein the mobile terminal comprises:
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a receiver circuit configured to receive from the serving radio node a signaled difference between the number of resource blocks in the second system bandwidth and the number of resource blocks in the first system bandwidth, the signaled difference being received as an even delta value, such that both numbers of resource blocks in the first and second system bandwidths are even or odd; and a processing circuit configured to determine the number of resource blocks in the second system bandwidth, based on the number of resource blocks in the first system bandwidth and the signaled difference.
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Specification