A method and device for allocating reference signal resources
A reference signal and resource allocation technology, which is applied in the field of reference signal resource allocation, can solve problems such as irrationality, occupation of all channel resources, and signaling or auxiliary signals occupying the entire frequency band.
Active Publication Date: 2021-01-08
ALCATEL LUCENT SHANGHAI BELL CO LTD
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[0005] But on the other hand, future wireless communication technologies have a basic requirement for control signaling and auxiliary signals (such as reference signals), that is, full-band signaling and auxiliary signals need to be controlled within an appropriate range, considering channel resources It is unreasonable to introduce a large number of signaling or auxiliary signals that occupy the entire frequency band
However, the current CRS occupies all channel resources, so simply adding new CRS signals is not an effective solution
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[0034] In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments in accordance with the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.
[0035] First, a base station of a wireless communication system according to the present invention has a plurality of antenna ports. The present invention divides the plurality of antenna ports into three different types, and provides different reference signal resource allocation schemes respectively.
[0036] ...
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The invention discloses a method and equipment for allocating reference signal resources to user equipment in a base station of a wireless communication system. The method comprises the following steps: allocating resource elements distributed in the entire carrier frequency band of a downlink channel to a reference signal corresponding to a first type antenna port; allocating resource elements distributed in a carrier frequency band included in physical resource blocks allocated to the user equipment to a reference signal corresponding to a second type antenna port; and allocating resource elements partially distributed in the carrier frequency band included in the physical resource blocks allocated to the user equipment to a reference signal corresponding to a third type antenna port, and distributing the remaining resource elements in the whole carrier frequency band of the downlink channel.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to allocation of reference signal resources. Background technique [0002] In the research of the current LTE-A evolution and the future 5G communication system, low transmission delay (low transmission Iatency) is becoming an increasingly important topic. Considering that more and more applications need to achieve lower transmission delay to ensure performance, typically, for example, considering the wide prospects of automatic driving, remote control and some applications based on TCP protocol, the 3GPP standardization organization has begun to conduct research on low A study of transmission delays. [0003] At present, in order to effectively reduce the transmission delay, a topic that has aroused widespread interest is to shorten the transmission time interval (transmission time interval, referred to as TTI). The TTI used in the current LTE system is 14 O...
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IPC IPC(8): H04L5/00
CPCH04L5/0007H04L5/0048
Inventor 李栋
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD