ZigZag Decodable Coded Slotted ALOHA
ZigZag Decodable Coded Slotted ALOHA
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ZigZag 可解码编码时隙 ALOHA
DOI：
10.1109/wpnc.2018.8555748
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发表时间：
2018
期刊：
影响因子：
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通讯作者：
Koji Ishibashi
中科院分区：
文献类型：
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作者：
Masaru Oinaga;Shun Ogata;Koji Ishibashi
将ZigZag译码（ZD）应用于具有连续干扰消除（SIC）的ALOHA方案，提出了ZigZag可译码的编码时隙ALOHA（ZDCSA），即编码ALOHA。众所周知，当信道业务量高时，编码ALOHA方案的吞吐量性能降低。ZD能够通过解决两个数据包的冲突来抑制这种吞吐量下降，其中冲突的用户被请求立即重传他们的数据包以便利用ZD。在本文中，还提出了一种优化方法，以最大限度地提高ZDCSA的吞吐量性能。通过数值分析，表明我们提出的方案成功地抑制了高业务量区域的吞吐量下降，并且在实际情况（例如由103个用户组成的系统）下，在峰值吞吐量性能方面优于编码ALOHA方案。
We propose ZigZag decodable coded slotted ALOHA (ZDCSA) by applying ZigZag decoding (ZD) into ALOHA scheme with successive interference cancellation (SIC), namely coded ALOHA. It is known that the throughput performance of coded ALOHA schemes degrades when a channel traffic is high. ZD is able to suppress such throughput degradation by resolving collisions of two packets, where the colliding users are requested to retransmit their packets immediately in order to utilize ZD. In this paper, an optimization method to maximize the throughput performance of ZDCSA is also proposed. Through numerical analysis, it is shown that our proposed scheme succeeds in suppressing the throughput degradation in high traffic region and outperforms coded ALOHA schemes in terms of peak throughput performance in a practical situation e.g. a system consists of 103users.
ZigZag 解码随机访问吞吐量界限的数学分析
DOI：
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发表时间：
2009
期刊：
International Symposium on Modeling and Optimization in Mobile, Ad-Hoc and Wireless Networks
影响因子：
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作者：
Jeongyeup Paek;M. Neely
通讯作者：
M. Neely