METHOD AND ARRANGEMENT FOR ADAPTING A MULTI-ANTENNA TRANSMISSION

Abstract

The invention claims a method in a first node for adaptively transmitting to multiple antenna of the second node via wireless channel method. The wireless channel has at least three inputs and at least one output. the first node and the second node are comprised in a wireless communication system. the method comprises the following steps: obtaining (401) at least one symbol stream determining (403) with through left multiplying the block diagonal matrix block diagonalizing unitary matrix and product structure generated by the precoding matrix using the pre-coding matrix determining the at least one symbol stream to perform precoding (404) and said at least one encoded symbol stream is processed by sending to the second node (405) through a wireless channel.

A method in a first node for adapting a multi-antenna transmission to a second node over a wireless channel is provided. The wireless channel has at least three inputs and at least one output. The first node and the second node are comprised in a wireless communication system. The method comprising the steps of: Obtaining (401) at least one symbol stream; Determining (403) a precoding matrix having a product structure created by a block diagonal matrix being multiplied from the left with a block diagonalizing unitary matrix; Precoding (404) the at least one symbol stream with the determined precoding matrix; And Transmitting (405) the precoded at least one symbol stream over a wireless channel to the second node.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Illustrative part: 6.3.4.2 Release: 9 + -	No	Family Member
5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Illustrative part: ---- Release: 15 + -	No	Family Member

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2G 3G 4G 5G

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
WO2008133582A2	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Basis Patent
WO2008133582A2	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
WO2008133582A3	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Basis Patent
WO2008133582A3	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
EP2145400A2	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
EP2145400A2	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
EP2145400A4	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
EP2145400A4	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
EP2145400B1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
EP2145400B1	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
KR101478379B1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
KR101478379B1	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
KR20100016133A	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
KR20100016133A	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	No	Family Member
US2010067605A1	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	Yes	Family Member
US2010067605A1	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	Yes	Basis Patent
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US8306140B2	5G	18/05/2017	ISLD-201704-009	ERICSSON INC	S1 TS Number: TS 138 211 v15.0.0 Version No: v15.0.0 Section No: ---- Release : 15 + -	Yes	Basis Patent
TW200849907A	4G	05/04/2010	ISLD-201005-004	ERICSSON INC	S1 TS Number: TS 136 211 v9.0.0 Version No: v9.0.0 Section No: ---- Release : 9 + -	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Resource configuration

Multiple-Input Multiple-Output(MIMO)/Massive MIMO

Product

User Equipment (UE/Terminal)

Base Station (eNB/gNB)

Use Cases

Wireless communication

Services

Transmitting/receiving data in downlink

Transmitting/receiving data in uplink

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