Multi-carrier CQI feedback method and apparatus
First Claim
1. In a mobile terminal, a method of reporting channel quality comprising:
- receiving data symbols transmitted on a plurality of frequency carriers in a multi-carrier CDMA environment;
measuring channel quality for the different frequency carriers;
reporting individual ones of the channel quality measurements over the same uplink channel during successive reporting intervals;
receiving a physical layer or MAC layer signaling message from a radio base station directing the mobile terminal to skip reporting individual ones of the channel quality measurements over the same uplink channel for one or more reporting intervals; and
skipping, responsive to said physical layer or MAC layer signaling message, reporting one or more channel quality measurements before revised channel quality measurements for the different frequency carriers are subsequently reported over the same uplink channel during consecutive reporting intervals.
1 Assignment
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Accused Products
Abstract
A radio base station transmits data symbols to a mobile terminal on multiple frequency carriers, e.g., in accordance with the MC-WCDMA or cmda2000 3x air interface protocols. The radio base station instructs the mobile terminal to report channel quality measurements obtained by the terminal for the multiple carriers over the same uplink channel during successive reporting intervals. According to one embodiment, the mobile terminal reports channel quality by receiving data symbols transmitted on a plurality of frequency carriers in a multi-carrier CDMA environment and measuring channel quality for the different frequency carriers. The mobile terminal reports individual ones of the channel quality measurements over the same uplink channel during successive reporting intervals.
28 Citations
32 Claims
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1. In a mobile terminal, a method of reporting channel quality comprising:
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receiving data symbols transmitted on a plurality of frequency carriers in a multi-carrier CDMA environment; measuring channel quality for the different frequency carriers; reporting individual ones of the channel quality measurements over the same uplink channel during successive reporting intervals; receiving a physical layer or MAC layer signaling message from a radio base station directing the mobile terminal to skip reporting individual ones of the channel quality measurements over the same uplink channel for one or more reporting intervals; and skipping, responsive to said physical layer or MAC layer signaling message, reporting one or more channel quality measurements before revised channel quality measurements for the different frequency carriers are subsequently reported over the same uplink channel during consecutive reporting intervals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A mobile terminal comprising a baseband processor configured to:
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process received data symbols transmitted on a plurality of frequency carriers in a multi-carrier CDMA environment; measure channel quality for the different frequency carriers; report individual ones of the channel quality measurements over the same uplink channel during successive reporting intervals; receive a physical layer or MAC layer signaling message from a radio base station directing the mobile terminal to skip reporting individual ones of the channel quality measurements over the same uplink channel for one or more reporting intervals; and skip, responsive to said physical layer or MAC layer signaling message, reporting one or more channel quality measurements before revised channel quality measurements for the different frequency carriers are subsequently reported over the same uplink channel during consecutive reporting intervals. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of allocating radio resources, comprising:
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transmitting data symbols to a mobile terminal on a plurality of frequency carriers in a multi-carrier CDMA environment; directing the mobile terminal to report individual channel quality measurements for the different frequency carriers over the same uplink channel during successive reporting intervals; directing the mobile terminal, via a physical layer or MAC layer signaling message, to skip reporting individual channel quality measurements for the different frequency carriers over the same uplink channel for one or more reporting intervals before revised channel quality measurements for the different frequency carriers are subsequently reported by the mobile terminal over the same uplink channel during successive reporting intervals; and adjusting radio resource allocation based at least in part on channel quality reports received from the mobile terminal over the same uplink channel during successive reporting intervals. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. A radio access network comprising a base station configured to:
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transmit data symbols to a mobile terminal on a plurality of frequency carriers in a multi-carrier CDMA environment; direct the mobile terminal to report individual channel quality measurements for the different frequency carriers over the same uplink channel during successive reporting intervals; direct the mobile terminal via a physical layer or MAC layer signaling message to skip reporting individual channel Quality measurements for the different frequency carriers over the same uplink channel for one or more reporting intervals before revised channel quality measurements for the different frequency carriers are subsequently reported by the mobile terminal over the same uplink channel during successive reporting intervals; and adjust radio resource allocation based at least in part on channel quality reports received from the mobile terminal over the same uplink channel during successive reporting intervals. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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Specification