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| GEO卫星移动通信RLC层重传机制研究 | |
| Alternative Title | research on geo satellite mobile communications rlc layer retransmission mechanism |
| 王洋; 刘立祥 | |
| 2013 | |
| Source | 计算机工程与设计
 |
| ISSN | 1000-7024 |
| Volume | 34Issue:1Pages:71-75 |
| English Abstract | 为解决卫星链路上的大延迟环境对GEO移动通信协议RLC层应用现有选择重传机制(SR-ARQ)造成吞吐量低下的问题,提出了适用于GEO卫星移动通信协议RLC层的HARQ重传机制(G-HARQ),并在QualNet平台上对GEO卫星移动通信协议RLC层G-HARQ和SR-ARQ吞吐量进行仿真实验。仿真结果表明,G-HARQ重传机制可以减少RLC确认模式下为恢复错误数据包而传送的ACK/NACK消息数量,从而降低在GEO卫星移动通信协议RLC层端到端的总延迟,提高RLC层吞吐量。 |
| Indexed Type | CNKI ; WANFANG ; CSCD |
| Abstract | To solve the low throughput problem in radio link control (RLC) layer caused by large delay in GEO mobile satellite communication when using existing retransmission mechanism (SR-ARQ), a HARQ schema applied to GEO mobile satellite communication (G-HARQ) in RLC layer is proposed. Then, the G-HARQ and SR-ARQ mechanism of RLC layer is simulated in GEO mobile commutation platform based on QualNet. Simulation result shows that the G-HARQ retransmission mechanism can reduce the number of ACK/NACK control message generated when recover error RLC-Block in RLC acknowledge mode, which can ameliorate the pear-to-pear delay in RLC layer of GEO mobile communication protocol, and improve the system throughput. |
| Keyword | 地球同步轨道 卫星移动通信 无线链路控制 Geo混合自动请求重传 Qualnet仿真 |
| Department | 中国科学院软件研究所 天基综合信息系统重点实验室;中国科学院研究生院; |
| Subject | Engineering (Provided By Thomson Reuters) |
| Sponsorship | 国家预研基金项目(6150103) |
| Language | 中文 |
| CSCD ID | CSCD:4759774 |
| Content Type | 期刊论文 |
| URI | http://ir.iscas.ac.cn/handle/311060/15250 |
| Collection | 中国科学院软件研究所 |
| Recommended Citation GB/T 7714 | 王洋,刘立祥. GEO卫星移动通信RLC层重传机制研究[J]. 计算机工程与设计,2013,34(1):71-75. |
| APA | 王洋,&刘立祥.(2013).GEO卫星移动通信RLC层重传机制研究.计算机工程与设计,34(1),71-75. |
| MLA | 王洋,et al."GEO卫星移动通信RLC层重传机制研究".计算机工程与设计 34.1(2013):71-75. |
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