Scheduling uplink transmissions for a user equipment (ue)
US-2018270860-A1 · Sep 20, 2018 · US
Channel detection apparatus and method, user equipment, and base station
US11019649B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11019649-B2 |
| Application number | US-201716066151-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 25, 2017 |
| Priority date | Feb 2, 2016 |
| Publication date | May 25, 2021 |
| Grant date | May 25, 2021 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed are a channel detection apparatus and method, as well as a user equipment and a base station comprising the channel detection apparatus. The channel detection apparatus is used for performing channel detection over a plurality of carriers in an unlicensed frequency band, and comprises at least one processing circuit. The plurality of carriers comprise a first carrier and a second carrier. The processing circuit is configured to: perform channel detection of whether a channel is idle on the first carrier; and trigger, when it is detected that the channel is occupied during the channel detection on the first carrier, channel detection of whether a channel is idle on the second carrier.
First claim
Opening claim text (preview).
The invention claimed is: 1. A user equipment for performing channel detection on a plurality of carriers in an unlicensed frequency band for uplink transmissions, the user equipment comprising: a processing circuit, the plurality of carriers comprises a first carrier and a second carrier, and the processing circuit is configured to: perform channel detection selected from the group consisting of a first type of the channel detection and a second type of the channel detection that is different from the first type of the channel detection; perform the first type of the channel detection on the first carrier to confirm whether the first carrier is available; wherein a type of the channel detection performed on the first carrier is different from the type of the channel detection performed on the second carrier; and in response to a condition that the first type of the channel detection is performed on the first carrier, perform the second type of the channel detection on the second carrier to confirm whether the second carrier is available. 2. The user equipment according to claim 1 , wherein at least one of the first type of the channel detection or the second type of the channel detection comprises energy detection. 3. The user equipment according to claim 2 , wherein, in said at least one of the first type of the channel detection or the second type of the channel detection, the energy detection is performed using a threshold. 4. The user equipment according to claim 2 , wherein, in said at least one of the first type of the channel detection or the second type of the channel detection, the energy detection is performed using a contention window. 5. The user equipment according to claim 4 , wherein, in said at least one of the first type of the channel detection or the second type of the channel detection, the contention window has a variable size.
Assignees
Inventors
Classifications
- H04W72/21Primary
in the uplink direction of a wireless link, i.e. towards the network · CPC title
in the downlink direction of a wireless link, i.e. towards a terminal · CPC title
- H04W74/0808Primary
using carrier sensing, e.g. carrier sense multiple access [CSMA] · CPC title
Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336) · CPC title
for resource allocation, admission control or handover · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11019649B2 cover?
- Disclosed are a channel detection apparatus and method, as well as a user equipment and a base station comprising the channel detection apparatus. The channel detection apparatus is used for performing channel detection over a plurality of carriers in an unlicensed frequency band, and comprises at least one processing circuit. The plurality of carriers comprise a first carrier and a second carr…
- Who is the assignee on this patent?
- Hu Bingshan, Sun Chen, Sony Corp
- What technology area does this patent fall under?
- Primary CPC classification H04W72/21. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 25 2021 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).