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DOI: 10.22068/IJEEE.11.4.287

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Askarian F, Razavizadeh S, Haddadi F. On the Achievable Rate-Regions for the Gaussian Two-way Diamond Channels. IJEEE. 2015; 11 (4) :287-293
URL: http://ijeee.iust.ac.ir/article-1-761-fa.html
On the Achievable Rate-Regions for the Gaussian Two-way Diamond Channels. . 1394; 11 (4) :287-293

URL: http://ijeee.iust.ac.ir/article-1-761-fa.html


چکیده:   (1288 مشاهده)

In this channel,we study rate region of a Gaussian two-way diamond channel which operates in half-duplex mode. In this channel, two transceiver (TR) nodes exchange their messages with the help of two relay nodes. We consider a special case of the Gaussian two-way diamond channels which is called Compute-and-Forward Multiple Access Channel (CF-MAC). In the CF-MAC, the TR nodes transmit their messages to the relay nodes which are followed by a simultaneous communication from the relay nodes to the TRs. Adopting rate splitting method in the terminal encoders and then using Compute-and-Forward (CF) relaying and decoding the sum of messages at the relay nodes, an achievable rate region for this channel is obtained. To this end, we use a superposition coding based on lattice codes. Using numerical results, we show that our proposed scheme has better performance than other similar methods and achieves a tighter gap to the outer bound.

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نوع مطالعه: Research Paper | موضوع مقاله: 5-Coding and Modulation
دریافت: ۱۳۹۳/۱۱/۱۳ | پذیرش: ۱۳۹۴/۸/۳ | انتشار: ۱۳۹۴/۱۰/۱۲

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