Method and device for performing communication by using non-orthogonal code multiple access scheme in wireless communication system
US-2019181993-A1 · Jun 13, 2019 · US
Method and apparatus for generating spreading sequence codebooks
US11451276B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11451276-B2 |
| Application number | US-202016941377-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 28, 2020 |
| Priority date | Jan 29, 2018 |
| Publication date | Sep 20, 2022 |
| Grant date | Sep 20, 2022 |
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- Title
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Abstract
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A method and apparatus for generating and utilizing spreading sequence codebooks for a symbol-level sequence spreading is disclosed. In one embodiment, a method performed by a wireless communication device, comprising: receiving a first number from a wireless communication node; selecting a first spreading sequence codebook from at least one spreading sequence codebook; selecting a first spreading sequence from the first spreading sequence codebook according to the first number; and spreading data symbols according to the first spreading sequence, wherein the at least one spreading sequence codebook each comprises a plurality of spreading sequences configured based on one entry of a first sequence set after cyclic shifting operation, wherein the first sequence set before cyclic shifting operation is configured based on a second sequence set.
First claim
Opening claim text (preview).
What is claimed is: 1. A method performed by a wireless communication device, comprising: receiving a first number from a wireless communication node; selecting a first spreading sequence codebook from at east one spreading sequence codebook; selecting a first spreading sequence from the first spreading sequence codebook according to the first number spreading data symbols according to the first spreading sequence, wherein the at least one spreading sequence codebook each comprises a plurality of spreading sequences configured based on one entry of a first sequence set after cyclic shifting operation, wherein the first sequence set before cyclic shifting operation is configured based on a second sequence set, wherein the second sequence set Comprises at least one of the following, a third entry comprising {0, 2, 6, 7, 8, 10}, a fifth entry comprising {3, 6, 7, 9,11, 12, 13, 14}, a sixth entry comprising {0, 1, 7, 9, 23, 44, 47, 49} and a seventh entry comprising {1, 8, 9, 11, 25, 37, 69, 88, 94, 99, 103, 121}, wherein the first sequence set before cyclic shifting can be determined by taking a modN to a third sequence set, wherein the third sequence set is obtained by multiplying each element in [1:N] with each entry of the second sequence set, wherein N is a total number of spreading sequences in one of the at least one spreading sequence codebook. 2. The method of claim 1 , wherein the plurality of spreading sequence x i is configured based on x i = 1 K χ i ( d l ) = 1 K ( χ i ( d 1 ) , χ i ( d 2 ) , … χ i ( d K ) ) = 1 K ( e 2 π - 1 d 1 ( i - 1 ) N , e 2 π - 1 d 2 ( i - 1 ) N , … e 2 π - 1 d K
Assignees
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Classifications
- H04B7/0482Primary
Adaptive codebooks · CPC title
Cyclic extensions · CPC title
Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH · CPC title
Time-frequency-code · CPC title
Resources in frequency domain, e.g. a carrier in FDMA · CPC title
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- What does patent US11451276B2 cover?
- A method and apparatus for generating and utilizing spreading sequence codebooks for a symbol-level sequence spreading is disclosed. In one embodiment, a method performed by a wireless communication device, comprising: receiving a first number from a wireless communication node; selecting a first spreading sequence codebook from at least one spreading sequence codebook; selecting a first spread…
- Who is the assignee on this patent?
- Zte Corp
- What technology area does this patent fall under?
- Primary CPC classification H04B7/0482. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 20 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).