Title :
Analysis of encoding and decoding techniques for the interference channel with destination cooperation
Author :
Al Haija, Ahmad Abu ; Mai Vu
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC, Canada
Abstract :
In this paper, we analyze and compare several encoding and decoding techniques for the interference channel with destination cooperation (IC-DC). For the encoding techniques, we consider standard Han-Kobayashi (HK) techniques at both sources as well as quantize-forward (QF) and compress-forward (CF) relaying at the destinations. For the decoding techniques, we compare backward and sliding window decoding at both destinations. We prove that the achievable rate regions obtained with QF and CF relaying are the same as long as the same decoding technique is used by the destinations. We also show that with backward decoding, QF and CF relaying techniques achieve the same rate region as that obtained by the HK with noisy network coding (NNC) scheme. Therefore, QF relaying is the preferred scheme because it is simpler than both CF relaying and NNC and still leads to the same rate region. Furthermore, we provide numerical results for the Gaussian channel. These results show that destination cooperation is more efficient in strong IC than in weak IC. Also, if the destinations have enough powers or the inter-destination links are very strong, sliding window decoding achieves almost the same rate region as backward decoding while having a much shorter decoding delay.
Keywords :
Gaussian channels; channel coding; network coding; relay networks (telecommunication); CF relaying techniques; Gaussian channel; IC-DC techniques; NNC scheme; QF relaying technique; backward decoding; backward window; compress-forward relaying; decoding techniques; destination cooperation; encoding techniques; interdestination links; interference channel; noisy network coding scheme; quantize-forward relaying; sliding window; standard HK techniques; standard Han-Kobayashi techniques; Decoding; Delays; Encoding; Error analysis; Integrated circuits; Interference; Joints;
Conference_Titel :
Information Sciences and Systems (CISS), 2013 47th Annual Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4673-5237-6
Electronic_ISBN :
978-1-4673-5238-3
DOI :
10.1109/CISS.2013.6552266