Frequency selective scheduling
First Claim
1. A method for frequency selective scheduling of wireless devices in a communication network, the method being performed by a wireless network node, comprising the steps of:
- transmitting a first packet to at least one wireless device over the entire available bandwidth of the communication network, wherein said first packet comprises information identifying which wireless devices are addressed by the first packet, and which downlink sub-carriers are used for data transmission to said addressed wireless devices; and
receiving a second packet on uplink sub-carriers allocated to at least said addressed wireless devices and therefrom determining channel quality indications for said uplink sub-carriers, wherein said uplink sub-carriers are allocated to enable said channel quality indications to be determined over said entire bandwidth for at least each one of said addressed wireless devices by at least one of interpolating and extrapolating channel quality indications for at least two uplink sub-carriers, and wherein said uplink sub-carriers for each one of said wireless devices are determined to be frequency interleaved.
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Accused Products
Abstract
There is provided mechanisms for frequency selective scheduling of wireless devices in a communication network. A method is performed by a wireless network node. The method comprises transmitting a first packet to at least one wireless device over the entire available bandwidth of the communication network, wherein the first packet comprises information identifying which wireless devices are addressed by the packet, and which downlink sub-carriers are used for data transmission to the addressed wireless devices. The method comprises receiving a second packet on uplink sub-carriers allocated to at least the addressed wireless devices and therefrom determining channel quality indications for the uplink sub-carriers. The uplink sub-carriers are allocated to enable the channel quality indications to be determined over the entire bandwidth for at least each one of the addressed wireless devices.
15 Citations
24 Claims
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1. A method for frequency selective scheduling of wireless devices in a communication network, the method being performed by a wireless network node, comprising the steps of:
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transmitting a first packet to at least one wireless device over the entire available bandwidth of the communication network, wherein said first packet comprises information identifying which wireless devices are addressed by the first packet, and which downlink sub-carriers are used for data transmission to said addressed wireless devices; and receiving a second packet on uplink sub-carriers allocated to at least said addressed wireless devices and therefrom determining channel quality indications for said uplink sub-carriers, wherein said uplink sub-carriers are allocated to enable said channel quality indications to be determined over said entire bandwidth for at least each one of said addressed wireless devices by at least one of interpolating and extrapolating channel quality indications for at least two uplink sub-carriers, and wherein said uplink sub-carriers for each one of said wireless devices are determined to be frequency interleaved. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A wireless network node for frequency selective scheduling of wireless devices in a communication network, the wireless network node comprising a processing unit configured to:
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transmit a first packet to at least one wireless device over the entire available bandwidth of the communication network, wherein said first packet comprises information identifying which wireless devices are addressed by the first packet, and which downlink sub-carriers are used for data transmission to said addressed wireless devices; and receive a second packet on uplink sub-carriers allocated to at least said addressed wireless devices and therefrom determine channel quality indications for said uplink sub-carriers, wherein said uplink sub-carriers are allocated to enable said channel quality indications to be determined over said entire bandwidth for at least each one of said addressed wireless devices by at least one of interpolating and extrapolating channel quality indications for at least two uplink sub-carriers, and wherein the processing unit is configured to determine that said uplink sub-carriers for each one of said wireless devices are frequency interleaved. - View Dependent Claims (22, 23)
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24. A nontransitory computer readable storage medium comprising a computer program for frequency selective scheduling of wireless devices in a communication network, the computer program comprising computer program code which, when run on a processing unit of the wireless network node causes the processing unit to:
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transmit a first packet to wireless devices over the entire available bandwidth of the communication network, wherein said packet comprises information identifying which wireless devices are addressed by the packet, and which downlink sub-carriers are used for data transmission to said addressed wireless devices; and receive a second packet on uplink sub-carriers allocated to at least said addressed wireless devices and therefrom determine channel quality indications for said uplink sub-carriers, wherein said uplink sub-carriers are allocated to enable said channel quality indications to be determined over said entire bandwidth for at least each one of said addressed wireless devices by at least one of interpolating and extrapolating channel quality indications for at least two uplink sub-carriers, and wherein said uplink sub-carriers for each one of said wireless devices are determined to be frequency interleaved.
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Specification