Method, apparatus, and system for synchronization
First Claim
1. A method for synchronization, comprising,sending, by a first device, a clock information acquiring request to a second device through an Antenna Interface Standards Group (AISG) interface an AISG protocol, the AISG protocol comprising a first command that indicates the clock information acquiring request, and the clock information acquiring request requesting information for performing clock synchronization;
- receiving, by the first device in response to the clock information acquiring request, a clock signal from the second device through the AISG interface using the AISG protocol, the clock signal carrying clock information for performing the clock synchronization, and the AISG protocol comprising a second command that indicates the clock information carried by the clock signal;
performing synchronization according to the clock information received using the AISG protocol, wherein the first device is a base station and the second device is an antenna line device, or the first device is an antenna line device and the second device is a base station;
before sending clock information acquiring request to the second device,sending a device capability acquiring request to the second device through the AISG interface using the AISG protocol, the AISG protocol comprising a third command indicating the device capability acquiring request, and the device capability acquiring request requesting whether the second device can provide clock information for performing the clock synchronization; and
receiving device capability information from the second device through the AISG interface using the AISG protocol, wherein the device capability information indicates whether the second device is capable of providing the clock information.
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Abstract
Embodiments of the present invention provide a method, an apparatus, and a system for synchronization. The method includes the following steps executed by a first device: sending clock information acquiring request to a second device through an Antenna Interface Standards Group AISG interface; receiving a clock signal from the second device through the AISG interface; and performing synchronization according to clock information of the clock signal. The first device is a base station and the second device is an antenna line device, or the first device is an antenna line device and the second device is a base station.
17 Citations
17 Claims
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1. A method for synchronization, comprising,
sending, by a first device, a clock information acquiring request to a second device through an Antenna Interface Standards Group (AISG) interface an AISG protocol, the AISG protocol comprising a first command that indicates the clock information acquiring request, and the clock information acquiring request requesting information for performing clock synchronization; -
receiving, by the first device in response to the clock information acquiring request, a clock signal from the second device through the AISG interface using the AISG protocol, the clock signal carrying clock information for performing the clock synchronization, and the AISG protocol comprising a second command that indicates the clock information carried by the clock signal; performing synchronization according to the clock information received using the AISG protocol, wherein the first device is a base station and the second device is an antenna line device, or the first device is an antenna line device and the second device is a base station; before sending clock information acquiring request to the second device, sending a device capability acquiring request to the second device through the AISG interface using the AISG protocol, the AISG protocol comprising a third command indicating the device capability acquiring request, and the device capability acquiring request requesting whether the second device can provide clock information for performing the clock synchronization; and receiving device capability information from the second device through the AISG interface using the AISG protocol, wherein the device capability information indicates whether the second device is capable of providing the clock information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for synchronization, comprising:
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receiving, by a second device, a clock information acquiring request from a first device through an Antenna Interface Standards Group (AISG) interface using the an AISG protocol, the AISG protocol comprising a first command that indicates the clock information acquiring request, and the clock information acquiring request requesting information for performing clock synchronization; sending, by the second device in response to the clock information acquiring request, a clock signal to the first device through the AISG interface using the AISG protocol, wherein the clock signal carries clock information so that the first device can perform clock synchronization according to the clock information, wherein the AISG protocol comprises a second command that indicates the clock information carried by the clock signal, and wherein the first device is a base station and the second device is an antenna line device, or the first device is an antenna line device and the second device is a base station; before receiving the clock information acquiring request, receiving a device capability acquiring request from the first device through the AISG interface using the AISG protocol, the AISG protocol comprising a third command indicating the device capability acquiring request, and the device capability acquiring request requesting whether the second device can provide clock information for performing the clock synchronization; and sending device capability information to the first device through the AISG interface using the AISG protocol, wherein the device capability information indicates that the second device is capable of providing the clock information. - View Dependent Claims (9, 10, 11)
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12. A first synchronization apparatus comprising:
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a transmitter that includes an Antenna Interface Standards Group (AISG) interface, wherein the transmitter is configured to send a clock information acquiring request to a second synchronization apparatus through the AISG interface using an AISG protocol, wherein the AISG protocol comprises a first command that indicates the clock information acquiring request, and the clock information acquiring request requests information for performing clock synchronization; a receiver configured to receive a clock signal from the second synchronization apparatus through the AISG interface using the AISG protocol, wherein the clock signal carries clock information for performing the clock synchronization, and the AISG protocol comprises a second command that indicates the clock information carried by the clock signal, and wherein the clock information is received through an AISG cable; a processor, configured to perform synchronization according to the clock information received using the AISG protocol; the transmitter is further configured to send a device capability acquiring request to the second synchronization apparatus through the AISG interface using an the AISG protocol, the AISG protocol comprising a third command indicating the device capability acquiring request, and the device capability acquiring request requesting whether the second synchronization apparatus can provide clock information for performing the clock synchronization; and the receiver is further configured to receive device capability information from the second synchronization apparatus through the AISG interface using the AISG protocol, wherein the device capability information indicates whether the second synchronization apparatus is capable of providing the clock information. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification