COMMUNICATION METHOD, APPARATUS, AND SYSTEM FOR DISTRIBUTED ANTENNA SYSTEM
First Claim
1. A communication method of a distributed antenna system, the method comprising:
- receiving, by a receiving device, a measurement reference signal of an antenna cluster in a cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier;
obtaining, by the receiving device, channel information of the antenna cluster according to the measurement reference signal; and
transmitting, by the receiving device, the cluster identifier and the channel information of the antenna cluster to a central processing device, so that the central processing device determines the antenna cluster serving the receiving device according to the cluster identifier and the channel information of the antenna cluster.
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Accused Products
Abstract
Embodiments of the present invention provide a communication method, an apparatus, and a system for a distributed antenna system, and relate to the field of communications technologies. The communication method includes: receiving, by a receiving device, a measurement reference signal corresponding to an antenna cluster in a cell, where all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster includes at least one antenna and has a corresponding cluster identifier; obtaining channel information corresponding to the antenna cluster according to the measurement reference signal; and transmitting the cluster identifier and the channel information corresponding to the antenna cluster to a central processing device, so that the central processing device determines the antenna cluster serving the receiving device according to the cluster identifier and the channel information corresponding to the antenna cluster.
33 Citations
19 Claims
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1. A communication method of a distributed antenna system, the method comprising:
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receiving, by a receiving device, a measurement reference signal of an antenna cluster in a cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier; obtaining, by the receiving device, channel information of the antenna cluster according to the measurement reference signal; and transmitting, by the receiving device, the cluster identifier and the channel information of the antenna cluster to a central processing device, so that the central processing device determines the antenna cluster serving the receiving device according to the cluster identifier and the channel information of the antenna cluster. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communication method for a distributed antenna system, the method comprising:
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transmitting a measurement reference signal of an antenna cluster to a receiving device in a cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier; receiving the cluster identifier and channel information of the antenna cluster transmitted by the receiving device; and determining the antenna cluster serving the receiving device according to the cluster identifier and the channel information of the antenna cluster. - View Dependent Claims (8, 9, 10)
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11. A receiving device for a distributed antenna system, the receiving comprising:
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a receiving unit, configured to receive a measurement reference signal of an antenna cluster in a cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier; a measurement unit, configured to obtain channel information of the antenna cluster according to the measurement reference signal; and a transmitting unit, configured to transmit the cluster identifier and the channel information corresponding to the antenna cluster to a central processing device, so that the central processing device determines the antenna cluster serving the receiving device according to the cluster identifier and the channel information corresponding to the antenna cluster. - View Dependent Claims (12, 13, 14, 15)
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16. A central processing device for a distributed antenna system, the central processing device comprising:
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a transmitting unit, configured to transmit a measurement reference signal corresponding to an antenna cluster to a receiving device in a cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier; a receiving unit, configured to receive the cluster identifier and channel information corresponding to the antenna cluster transmitted by the receiving device; and a determining unit, configured to determine the antenna cluster serving the receiving device according to the cluster identifier and the channel information corresponding to the antenna cluster. - View Dependent Claims (17, 18)
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19. A distributed antenna system, comprising:
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a receiving device, an antenna, and a central processing device that are located in the same cell, wherein all antennas in the cell are divided into at least one antenna cluster, and each antenna cluster comprises at least one antenna and has a corresponding cluster identifier; the receiving device is configured to receive a measurement reference signal corresponding to an antenna cluster in the cell, obtain channel information corresponding to the antenna cluster according to the measurement reference signal, and transmit the cluster identifier and the channel information corresponding to the antenna cluster to the central processing device; and the central processing device is configured to transmit the measurement reference signal corresponding to an antenna cluster to the receiving device in the cell, receive the cluster identifier and the channel information corresponding to the antenna cluster transmitted by the receiving device, and determine the antenna cluster serving the receiving device according to the cluster identifier and the channel information corresponding to the antenna cluster.
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Specification