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Multi-cell transmission in single frequency networks (SFN)area for MBMS can be used to improve the system performance. This paper proposes a novel virtual hybrid automatic repeat request (V-HARQ) mechanism for multi-cell MBMS transmission in the UMTS networks, by which multiple signals like the retransmission versions of HARQ mechanism in unicast mode from different cells can be received and combined...
Selective per antenna rate control (S-PARC) technique has been decided to be deployed in time division-synchronous code division multiple access (TD-SCDMA) high speed packet access plus (HSPA+) system. In this paper, we propose an enhanced data stream selection algorithm for the proposal of S-PARC to improve Node B average throughput and initial block error rate (BLER) by pre-processing signal to...
A novel heterogeneous cooperative relay channel model is proposed in this article. It can integrate various wireless access systems into one entity and improve the spectrum efficiency remarkably. According to the characteristics of the heterogeneous and conventional homogeneous cooperative relay channel model, the outage probability performance is investigated over Nakagami-m fading model. A numerical...
This paper investigates a simple and effective power allocation method to maximize the Effective Configuration Duration (ECD) in wireless sensor networks, which aims to minimize the signaling overhead needed to perform relay nodes selection, Cooperative Set update and power allocation, resulting in obvious power saving and lifetime extension. Compared with traditional allocation schemes, this method...
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