CHANNEL INFORMATION FEEDBACK METHOD AND PILOT AND BEAM TRANSMISSION METHOD, SYSTEM AND DEVICE
1 Assignment
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Accused Products
Abstract
Disclosed are a channel information feedback method, pilot and beam transmission methods, systems and devices. The channel information feedback method includes that: a base station transmits M types of pilot signals, the M types of pilot signals corresponding to M pilot ports respectively; the base station configures N pilot ports in the M pilot ports for a terminal through signalling, M being a positive integer and N being a positive integer smaller than M; and the terminal receives and detects the pilot signals from the N pilot ports, selects K pilot ports from the N pilot ports according to received signal quality, and feeds back channel information of channels formed by the K pilot ports and the terminal, K being a positive integer smaller than N.
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Citations
42 Claims
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1-9. -9. (canceled)
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10. A pilot transmission method, comprising:
transmitting, by a base station, M types of pilot signals, the M types of pilot signals corresponding to M pilot ports respectively; and
configuring N pilot ports in the M pilot ports for a terminal through signalling, M being a positive integer and N being a positive integer smaller than M.- View Dependent Claims (11, 12, 13, 14)
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15. A channel information feedback method, comprising:
receiving and detecting, by a terminal, pilot signals from N pilot ports configured by a base station, selecting K pilot ports from the N pilot ports according to received signal quality, and feeding back channel information of channels formed by the K pilot ports and the terminal, K being a positive integer smaller than N. - View Dependent Claims (16, 17, 18, 19)
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20-31. -31. (canceled)
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32. A base station, comprising:
- a transmission unit and a configuration unit, wherein
the transmission unit is configured to transmit M types of pilot signals, the M types of pilot signals corresponding to M pilot ports respectively; and the configuration unit is configured to configure N pilot ports in the M pilot ports for a terminal through signalling, M being a positive integer and N being a positive integer smaller than M. - View Dependent Claims (33, 34, 35, 36)
- a transmission unit and a configuration unit, wherein
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37. A terminal, comprising:
- a receiving unit, a selection unit and a feedback unit, wherein
the receiving unit is configured to receive and detect pilot signals from N pilot ports configured by a base station; the selection unit is configured to select K pilot ports from the N pilot ports according to received signal quality; and the feedback unit is configured to feed back channel information of channels formed by the K pilot ports and the terminal, K being a positive integer smaller than N. - View Dependent Claims (38, 39, 40, 41)
- a receiving unit, a selection unit and a feedback unit, wherein
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42-44. -44. (canceled)
Specification