Apparatus and method for beam operation of iab node in wireless communication system
US-2024422759-A1 · Dec 19, 2024 · US
Downlink multiple input multiple output enhancements for single-cell with remote radio heads
US8948293B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8948293-B2 |
| Application number | US-201213451718-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 20, 2012 |
| Priority date | Apr 20, 2011 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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- Title
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Abstract
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A base station selects a subset of at least one geographically separated antennas for each of the plurality of user equipments. The base station forms at least layer of data stream including modulated symbols, precodes the data stream via multiplication with the NT-by-N precoding matrix where N is the number of said layers and NT is the number of transmit antenna elements and transmits the precoded layers of data stream to the user equipment via the selected geographically separated antennas. The base station signals the subset of the plurality of geographically separated antennas via higher layer Radio Resource Control or via a down link grant mechanism. The base station optionally does not signal the subset of the plurality of geographically separated antennas to the corresponding mobile user equipment.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of wireless communication between a base station having a plurality of geographically separated antennas and a plurality of user equipments, comprising the steps of: selecting at the base station a subset of at least one of the geographically separated antennas for each of the plurality of user equipments, said selecting occurring semi-statically for user equipment having a Doppler shift indicating a rate of motion is less than a predetermined amoun…
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Electricity · mapped topic
- H04B7/024Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8948293B2 cover?
- A base station selects a subset of at least one geographically separated antennas for each of the plurality of user equipments. The base station forms at least layer of data stream including modulated symbols, precodes the data stream via multiplication with the NT-by-N precoding matrix where N is the number of said layers and NT is the number of transmit antenna elements and transmits the prec…
- Who is the assignee on this patent?
- Onggosanusi Eko, Chandrasekhar Vikram, Chen Runhua, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H04B7/024. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 03 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).