Abstract
This paper proposes novel nonlinear precoding for XORphysical layer network coding (XOR-PNC) to improve the performance of bi-directional MIMO relay systems. The proposed precoder comprises a pre-equalizer and a nonlinear filter, which we also propose in the paper. We theoretically analyze the performance of the XOR-PNC with the proposed nonlinear precoding. As a result, it is shown that the proposed pre-equalizer improves the distribution of the received signals at relays, while the nonlinear precoder not only improves the transmission power efficiency but also simplifies the receiver at the relays. The performance is confirmed by computer simulation. The XOR-PNC with the proposed precoding achieves almost the lower bound in BER performance, which is much better than the amplify-and-forward physical layer network coding (AF-PNC).
| Original language | English |
|---|---|
| Pages (from-to) | 440-448 |
| Number of pages | 9 |
| Journal | IEICE Transactions on Communications |
| Volume | E100B |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 1 2017 |
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Keywords
- Nonlinear precoding
- Physical layer network coding (PNC)
- Pre-equalizer
- Relay
- Transmission power
ASJC Scopus subject areas
- Software
- Computer Networks and Communications
- Electrical and Electronic Engineering
Cite this
Nonlinear precoding for XOR physical layer network coding in bi-directional MIMO relay systems. / Cao, Lengchi; Denno, Satoshi.
In: IEICE Transactions on Communications, Vol. E100B, No. 3, 01.03.2017, p. 440-448.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Nonlinear precoding for XOR physical layer network coding in bi-directional MIMO relay systems
AU - Cao, Lengchi
AU - Denno, Satoshi
PY - 2017/3/1
Y1 - 2017/3/1
N2 - This paper proposes novel nonlinear precoding for XORphysical layer network coding (XOR-PNC) to improve the performance of bi-directional MIMO relay systems. The proposed precoder comprises a pre-equalizer and a nonlinear filter, which we also propose in the paper. We theoretically analyze the performance of the XOR-PNC with the proposed nonlinear precoding. As a result, it is shown that the proposed pre-equalizer improves the distribution of the received signals at relays, while the nonlinear precoder not only improves the transmission power efficiency but also simplifies the receiver at the relays. The performance is confirmed by computer simulation. The XOR-PNC with the proposed precoding achieves almost the lower bound in BER performance, which is much better than the amplify-and-forward physical layer network coding (AF-PNC).
AB - This paper proposes novel nonlinear precoding for XORphysical layer network coding (XOR-PNC) to improve the performance of bi-directional MIMO relay systems. The proposed precoder comprises a pre-equalizer and a nonlinear filter, which we also propose in the paper. We theoretically analyze the performance of the XOR-PNC with the proposed nonlinear precoding. As a result, it is shown that the proposed pre-equalizer improves the distribution of the received signals at relays, while the nonlinear precoder not only improves the transmission power efficiency but also simplifies the receiver at the relays. The performance is confirmed by computer simulation. The XOR-PNC with the proposed precoding achieves almost the lower bound in BER performance, which is much better than the amplify-and-forward physical layer network coding (AF-PNC).
KW - Nonlinear precoding
KW - Physical layer network coding (PNC)
KW - Pre-equalizer
KW - Relay
KW - Transmission power
UR - http://www.scopus.com/inward/record.url?scp=85016064782&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85016064782&partnerID=8YFLogxK
U2 - 10.1587/transcom.2016EBP3236
DO - 10.1587/transcom.2016EBP3236
M3 - Article
AN - SCOPUS:85016064782
VL - E100B
SP - 440
EP - 448
JO - IEICE Transactions on Communications
JF - IEICE Transactions on Communications
SN - 0916-8516
IS - 3
ER -