Enhanced uplink beam management
US-2019281588-A1 · Sep 12, 2019 · US
Method for determining mapping of antenna ports, and terminal
US12126558B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12126558-B2 |
| Application number | US-202217671282-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 14, 2022 |
| Priority date | Aug 15, 2019 |
| Publication date | Oct 22, 2024 |
| Grant date | Oct 22, 2024 |
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- Title
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Abstract
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A method for determining mapping of antenna ports includes: determining mapping of antenna ports of an SRS according to the number of the antenna ports of the SRS, wherein the SRS is an SRS with a comb size of N, N is an even number greater than 4, and the number of the antenna ports is 1, 2 or 4.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for determining mapping of antenna ports, wherein the method is applied to a terminal and comprises: determining mapping of antenna ports of a sounding reference signal (SRS) according to number of the antenna ports of the SRS, wherein the SRS is an SRS with a comb size of N, N is an even number greater than 4, and number of the antenna ports is 1, 2 or 4; wherein the mapping of the antenna ports of the SRS comprises at least one of: a cyclic shift of a sequence to which the antenna ports of the SRS are mapped; or a comb position where the antenna ports of the SRS are mapped; wherein the cyclic shift of the sequence is determined according to at least one of a cyclic shift offset value, a maximum cyclic shift number or an antenna port index; and/or the comb position is determined according to at least one of whether frequency division multiplexing (FDM) is performed, a comb offset value, a maximum cyclic shift number, an antenna port index or a comb size of the SRS. 2. The method according to claim 1 , wherein in a case that the number of the antenna ports is 4 and an FDM mode is unrelated to the cyclic shift offset value, four antenna ports of the SRS are divided into two groups, the antenna ports in a same group are mapped to a same comb position, the antenna ports in a same group are mapped to different sequences of the cyclic shift, and the antenna ports in different groups are mapped to different comb positions; or four antenna ports of the SRS are distinguished by at least one of the cyclic shift of the sequence or the FDM. 3. The method according to claim 2 , wherein in a case that the four antenna ports of the SRS are divided into two groups, n SRS cs , i = [ n SRS cs + n SRS cs , max · [ ( p i - 1000 ) mod 2 ] · 2 N ap SRS ] mod n SRS cs , max , k TC ( p i ) = { ( k _ TC + K TC / 2 ) mod K TC if p i = { 1000 , 1001 } ( or
Assignees
Inventors
Classifications
Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL] · CPC title
Time-frequency-space · CPC title
- H04L5/0051Primary
of dedicated pilots, i.e. pilots destined for a single user or terminal · CPC title
- H04L5/0048Primary
Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title
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Frequently asked questions
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- What does patent US12126558B2 cover?
- A method for determining mapping of antenna ports includes: determining mapping of antenna ports of an SRS according to the number of the antenna ports of the SRS, wherein the SRS is an SRS with a comb size of N, N is an even number greater than 4, and the number of the antenna ports is 1, 2 or 4.
- Who is the assignee on this patent?
- Vivo Mobile Communication Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04L5/0051. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Oct 22 2024 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 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).