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System and method for communicating time and frequency tracking signals using configurations for one port csi-rss

A single-port, communication method technology, applied in transmission systems, digital transmission systems, multi-frequency code systems, etc., and can solve problems affecting channel estimation and data demodulation performance.

Active Publication Date: 2020-08-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, delay spread estimation plays an important role in forming channel estimation filter coefficients and lengths, thereby affecting the performance of channel estimation and data demodulation

Method used

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  • System and method for communicating time and frequency tracking signals using configurations for one port csi-rss
  • System and method for communicating time and frequency tracking signals using configurations for one port csi-rss
  • System and method for communicating time and frequency tracking signals using configurations for one port csi-rss

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Embodiment Construction

[0061] The making and using of embodiments of the present disclosure are discussed in detail below. It should be understood, however, that the concepts disclosed herein can be implemented in a wide variety of specific environments and that the specific implementations discussed herein are illustrative only and are not intended to limit the scope of the claims. Furthermore, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure as defined by the appended claims.

[0062] Embodiments of the present disclosure provide methods and apparatuses for configuring and transmitting a reference signal (RS) for tracking in a wireless communication system, such as in a new radio (NR) communication system. A user equipment (UE) in a wireless communication system may perform tracking functions such as fine time tracking, fine frequency tracking, delay spread estimation, and Doppler spread est...

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Abstract

A network controller may configure one or more channel state information-reference signal (CSI-RS) configurations for transmitting RSs to user equipments (UEs) for tracking. A CSI-RS configuration mayspecify a set of CSI-RS resources for transmitting RSs in two consecutive slots. The set of CSI-RS resources may include a plurality of one-port CSI-RS resources configured according to the CSI-RS configuration. The CSI-RS configuration may specify a quasi co-location (QCL) configuration including a set of QCL parameters, where a demodulation reference signal (DMRS) has a QCL relationship with the RS with respect to the set of QCL parameters. The network controller may signal the one or more CSI-RS configurations to UEs.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application No. 62 / 544,372, filed August 11, 2017, entitled "System and method for time and frequency tracking signal with flexible configurations of one port CSI-RS," and filed August 10, 2018 The benefit of US Application No. 16 / 101,278, filed "System and method for time and frequency tracking signal with flexible configurations of one portCSI-RS," which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to wireless communications, and in particular embodiments, to systems and methods for transmitting time and frequency tracking signals utilizing configurations of one-port CSI-RS. Background technique [0004] In wireless communication operations, tracking functions performed by a user equipment (user equipment, UE) may include fine time tracking, fine frequency tracking, delay spread estimation and Doppler spread estim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/06H04L5/00H04L27/26
CPCH04L5/0048H04L27/2613H04L5/0023H04L5/0051H04L5/0007H04L5/0057
Inventor 程谦肖维民刘嘉陵穆拉利·纳拉辛哈
Owner HUAWEI TECH CO LTD