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This paper introduces different construction techniques of parity-check matrix H for irregular Low-Density Parity-Check (LDPC) codes. The first one is the proposed Accurate Random Construction Technique (ARCT) which is an improvement of the Random Construction Technique (RCT) to satisfy an accurate profile. The second technique, Speed Up Technique (SUT),(More)
Cooperation among self-organized femtocells (SOFs) becomes an optimization technique to induce a fair resource allocation. However, cooperation performance is restricted by backhaul limitations. In this paper, an energy efficient system design for cooperative SOFs is proposed. A new spectral resource management is used to avoid the uplink co-tier(More)
As OFDM has become the basis of many of telecommunication standards due to its ease of implementation, stability and efficiency, Faster-than-Nyquist signaling became an interesting base for envisioned telecommunication breakthrough, since it is based on an already used and successfully implemented technology which is OFDM, and it inherently obtains the(More)
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