Precoder design for MIMO systems with sum power and per-antenna power constraints

A precoder design method is proposed to maximise the achievable rate of a multi-input multi-output (MIMO) system which transmits multi-streams under sum power and per-antenna power constraints (PAPCs). The proposed method computes the optimal precoder maximising the achievable rate under the convent...

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Vydané v:Electronics letters Ročník 54; číslo 16; s. 980 - 982
Hlavní autori: Choi, J, Oh, H
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: The Institution of Engineering and Technology 09.08.2018
Predmet:
achievable rate maximisation
antenna arrays
candidate precoder
computer simulations
conventional sum power constraint
distance minimisation
Information and communications
MIMO communication
multiinput multioutput system
multistreams
optimal SPC precoder
PAPC precoders
per‐antenna power constraints
precoder design method
precoding
precoding MIMO system
precoding
computer simulations
candidate precoder
multistreams
multiinput multioutput system
conventional sum power constraint
precoder design method
PAPC precoders
precoding MIMO system
distance minimisation
optimal SPC precoder
antenna arrays
per-antenna power constraints
MIMO communication
achievable rate maximisation
ISSN:0013-5194, 1350-911X, 1350-911X
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Abstract A precoder design method is proposed to maximise the achievable rate of a multi-input multi-output (MIMO) system which transmits multi-streams under sum power and per-antenna power constraints (PAPCs). The proposed method computes the optimal precoder maximising the achievable rate under the conventional sum power constraint (SPC), and then finds a precoder satisfying the SPC and PAPCs by minimising the distance between the optimal SPC precoder and a candidate precoder. Using the proposed approach, a concise closed-form solution is derived for a precoding MIMO system with the SPC and PAPCs. It is shown that the proposed precoder includes the optimal SPC and PAPC precoders as two extreme cases, and simulations demonstrate the validity of the proposed precoder.
AbstractList A precoder design method is proposed to maximise the achievable rate of a multi‐input multi‐output (MIMO) system which transmits multi‐streams under sum power and per‐antenna power constraints (PAPCs). The proposed method computes the optimal precoder maximising the achievable rate under the conventional sum power constraint (SPC), and then finds a precoder satisfying the SPC and PAPCs by minimising the distance between the optimal SPC precoder and a candidate precoder. Using the proposed approach, a concise closed‐form solution is derived for a precoding MIMO system with the SPC and PAPCs. It is shown that the proposed precoder includes the optimal SPC and PAPC precoders as two extreme cases, and simulations demonstrate the validity of the proposed precoder.
Author Choi, J
Oh, H
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Cites_doi 10.1017/CBO9780511841224
10.1109/TCOMM.2016.2641953
10.1109/TSP.2007.896058
10.1109/TSP.2006.890905
10.1109/COMST.2014.2350018
10.1109/TCOMM.2011.030411.100050
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Issue 16
Keywords precoding
computer simulations
candidate precoder
multistreams
multiinput multioutput system
conventional sum power constraint
precoder design method
PAPC precoders
precoding MIMO system
distance minimisation
optimal SPC precoder
antenna arrays
per-antenna power constraints
MIMO communication
achievable rate maximisation
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Snippet A precoder design method is proposed to maximise the achievable rate of a multi-input multi-output (MIMO) system which transmits multi-streams under sum power...
A precoder design method is proposed to maximise the achievable rate of a multi‐input multi‐output (MIMO) system which transmits multi‐streams under sum power...
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SubjectTerms achievable rate maximisation
antenna arrays
candidate precoder
computer simulations
conventional sum power constraint
distance minimisation
Information and communications
MIMO communication
multiinput multioutput system
multistreams
optimal SPC precoder
PAPC precoders
per‐antenna power constraints
precoder design method
precoding
precoding MIMO system
Title Precoder design for MIMO systems with sum power and per-antenna power constraints
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