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Method and equipment for informing about downlink channel silencing information

A notification and channel technology, applied in wireless communication, message/mailbox/announcement, electrical components, etc., can solve the problem of silent configuration information notification, no eNB, etc., and achieve the effect of saving resource overhead and strong flexibility

Inactive Publication Date: 2012-05-09
北京墨丘科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, in the existing LTE specification, there is no specific solution on how eNB notifies the mobile station of silent configuration information

Method used

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  • Method and equipment for informing about downlink channel silencing information
  • Method and equipment for informing about downlink channel silencing information
  • Method and equipment for informing about downlink channel silencing information

Examples

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example 1

[0051] Assuming that there are two strong interference cells in the serving cell, the number of CSI-RS ports in the first strong interference cell is 2, and the number of CSI-RS pilot patterns is 0; the number of CSI-RS ports in the second strong interference cell is 2 , the CSI-RS pilot pattern number is 1, then it can be considered that the silent pattern is composed of two 2-port CSI-RS pilot patterns at this time, and the value of M is 2 at this time, and the value of each CSI-RS pilot pattern The number of ports is 2.

example 2

[0053] Assuming that there are two strong interference cells in the serving cell, the number of CSI-RS ports in the first strong interference cell is 2, and the number of CSI-RS pilot patterns is 0; the number of CSI-RS ports in the second strong interference cell is 2 , the CSI-RS pilot pattern number is 1, then it can be considered that the silent pattern is composed of two 2-port CSI-RS pilot patterns at this time.

[0054] Further, according to the existing CSI-RS pilot pattern design, all the CSI-RS patterns that can be combined in the silent pattern can be combined, and the silent pattern of the serving cell after the combination is composed of M CSI-RS pilot patterns , wherein any two or more CSI-RS pilot patterns cannot form a CSI-RS pilot pattern with a larger port, and M will take the minimum value at this time.

[0055] For the above specific situation, if the two 2-port CSI-RS pilot patterns belong to the same 4-port CSI-RS pilot pattern, then it can be considered ...

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Abstract

The invention discloses a method and equipment for informing about a downlink channel silencing information. The method comprises the steps of: determining the number of channel state information reference signal (CSI-RS) pilot patterns contained in the silencing pattern of a serving cell; if the number of the CSI-RS pilot patterns contained in the silencing pattern is smaller than or equal to a first preset value, informing a mobile station about the silencing pattern by adopting a method which is the same as the method for informing about CSI-RS configuration information; if the number of the CSI-RS pilot patterns contained in the silencing pattern is larger than the first preset value, informing the mobile station about the silencing pattern by adopting a bitmap mapping method; and informing the mobile station about the indication information of an informing method adopted for the silencing pattern to enable the mobile station to acquire the silencing pattern according to the indication information. By using the method and the equipment, the mobile station can be conveniently and flexibly informed about the silencing configuration information, and less resource overhead is occupied.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and equipment for notifying downlink channel silence information. Background technique [0002] In a wireless communication system, in order for a mobile station to measure downlink channel state information (CSI, Channel State Information), the network device needs to send a certain reference signal to the mobile station in the coverage area, and the mobile station uses the CSI to perform downlink channel monitoring. Measurement. [0003] In the Long Term Evolution (LTE, Long Term Evolution) R10 specification, network equipment needs to send a channel state information reference signal (CSI-RS, CSI Reference signal) to perform downlink channel measurement. The reference signal can be sent periodically, the CSI-RS has multiple pilot patterns, and can have a higher multiplexing factor, and the low-port pilot pattern is a part of the high-port pilot pattern. [00...

Claims

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Application Information

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IPC IPC(8): H04W4/12H04W68/00
Inventor 大卫·马瑞泽夏亮
Owner 北京墨丘科技有限公司
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