JPWO2017167092A5

JPWO2017167092A5 -

Info

Publication number: JPWO2017167092A5
Application number: JP2018550411A
Authority: JP
Publication date: 2022-05-26
Anticipated expiration: 2037-03-22

Description

第1の態様に基づいて、第5の態様の非一時的コンピュータ可読媒体において、UE-RSおよびデータを送信することをコンピュータに行わせるためのプログラムコードは、ランク1において実行され、送信ダイバーシティで構成されており、データは、空間周波数ブロックコーディング行列を用いてさらにプリコーディングされる。 Based on the first aspect, the program code for causing the computer to transmit UE-RS and data in the non-temporary computer-readable medium of the fifth aspect is executed at rank 1 and at transmission diversity. It is configured and the data is further precoded using the spatial frequency block coding matrix.

第22の態様に基づいて、第26の態様の非一時的コンピュータ可読媒体において、UE-RSおよびデータを送信するような少なくとも1つのプロセッサの構成は、ランク1において実行され、送信ダイバーシティで構成されており、データは、空間周波数ブロックコーディング行列を用いてさらにプリコーディングされる。 Based on the 22nd aspect, in the non-temporary computer readable medium of the 26th aspect, the configuration of at least one processor such as transmitting UE-RS and data is performed at rank 1 and is composed of transmission diversity. The data is further precoded using the spatial frequency block coding matrix.

第31の態様に基づいて、第34の態様の非一時的コンピュータ可読媒体において、UE-RSおよびデータを送信するような少なくとも1つのプロセッサの構成は、ランク1において実行され、送信ダイバーシティで構成されており、データは、空間周波数ブロックコーディング行列を用いてさらにプリコーディングされる。 Based on the 31st aspect, in the non-temporary computer readable medium of the 34th aspect, the configuration of at least one processor such as transmitting UE-RS and data is performed at rank 1 and is composed of transmission diversity. The data is further precoded using the spatial frequency block coding matrix.

Claims

It ’s a wireless communication method.
A step of selecting a first precoder associated with a first transmit block, wherein the first transmit block is a first resource block, a first set of bundled resource blocks, or within a resource block. A step that contains one of the first subresource blocks selected as a group of contiguous resource elements, and
A step of transmitting a user equipment (UE) specific reference signal (UE-RS) and data within the first transmission block, wherein the UE-RS and data are precoded using the first precoder. To be done, steps and
The step of selecting the next precoder associated with the next transmit block, which is the next resource block, the next set of bundled resource blocks, or the contiguous resource elements within the resource block. A step that contains one of the following subresource blocks selected as the next group, and
A step of transmitting the UE-RS and data in the next transmission block, comprising the step of precoding the UE-RS and data using the next precoder.
The step of transmitting the UE-RS and the data within the first transmission block is at rank 1 and consists of transmission diversity, the data being further precoded using a spatial frequency block coding matrix. How to do it.

The first precoder and the next precoder are based on the product of a wideband precoding matrix and a subband precoding matrix, and the subband precoding matrix is cyclically selected from a predetermined set of precoding matrices. The method according to claim 1.

The wideband precoding matrix is
The method of claim 2, one of which is received from the UE or randomly selected from a given set of wideband precoding matrices.

A step of determining that the first transmit block is the first set of bundled resource blocks, and
The step of determining the existence of an even number of resource elements for the data in the two consecutive resource blocks of the first set of the bundled resource blocks,
The method of claim 1, further comprising mapping the data precoded with the spatial frequency block coding matrix over two consecutive resource blocks in a first set of bundled resource blocks.

A step of transmitting a transmission method instruction, wherein the transmission method instruction is at least one or more UE-RS ports, a number of useful layers, a mode of transmission diversity, or spatial multiplexing for data transmission. The method of claim 1, further comprising steps associated with.

Further steps in which the first and next transmit blocks are determined based on at least the total number of scheduled resource blocks, wherein the subresource blocks are selected only for small resource allocation. The method of claim 1, including.

A device configured for wireless communication
A means for randomly selecting a first precoder associated with a first transmit block, wherein the first transmit block is a first resource block, a first set of bundled resource blocks, or. Means and means that include one of the first subresource blocks selected as a group of contiguous resource elements within a resource block.
A means for transmitting a user equipment (UE) specific reference signal (UE-RS) and data within the first transmission block, wherein the UE-RS and data use the first precoder. Precoded means and
A means for selecting the next precoder associated with the next send block, which is the next resource block, the next set of bundled resource blocks, or a contiguous resource within the resource block. Means and means, including one of the following subresource blocks selected as the next group of elements:
Means for transmitting the UE-RS and data in the next transmission block, wherein the UE-RS and data include means to be precoded using the following precoder.
The means for transmitting the UE-RS and the data within the first transmission block is at rank 1, configured for transmission diversity, and the data is further precoded using a spatial frequency block coding matrix. Including additional means to
Device.

A computer-readable storage medium recording a program code, wherein the program code is according to any one of claims 1 to 6 , when the program code is executed by one or more computers or processors. A computer-readable storage medium that contains the code that runs the method.