OFDM TECHNOLOGY-BASED FREQUENCY DOMAIN POLLING METHOD FOR WIRELESS SENSOR NETWORK | |
其他题名 | 一种基于OFDM技术的工业无线网络频域轮询方法 |
Liang W(梁炜)![]() ![]() ![]() ![]() | |
所属部门 | 工业控制网络与系统研究室 |
专利权人 | SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES |
授权国家 | 世界专利组织 |
专利类型 | 发明 |
专利状态 | 公开 |
摘要 | The present invention relates to the industrial wireless network technology, and particularly to an OFDM technology-based frequency domain polling method for a wireless sensor network. The present invention comprises the steps of: initial polling configuration: an AP allocating a polling group ID and a subcarrier ID to a node which is newly added into a network OFDM frequency domain polling: the AP sending a polling request message, and after the node receives the polling request message, the AP responding in a frequency domain using an OFDM subcarrier and TDMA slot allocation and node data transmission: according to the response condition of each polled node, the AP allocating a TDMA slot to a node which needs data transmission and after the node receives the TDMA slot allocation result, conducting the data transmission in a corresponding slot. The present invention is proposed on the premise of fully taking into account the application characteristics of an industrial wireless network, and can reduce the network protocol overhead, and improve the bandwidth utilization rate and effective network throughput, thereby improving network timeliness and scale. |
优先权数据 | cn20121171074 |
PCT属性 | 是 |
申请日期 | 2013-01-10 |
2013-12-05 | |
申请号 | WO2013CN70327 |
公开(公告)号 | WO2013177958A1 |
语种 | 英语 |
产权排序 | 1 |
文献类型 | 专利 |
条目标识符 | http://ir.sia.cn/handle/173321/14152 |
专题 | 工业控制网络与系统研究室 |
作者单位 | SHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES |
推荐引用方式 GB/T 7714 | Liang W,Yu HB,Lin JR,et al. OFDM TECHNOLOGY-BASED FREQUENCY DOMAIN POLLING METHOD FOR WIRELESS SENSOR NETWORK[P]. 2013-12-05. |
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WO2013177958A1.pdf(760KB) | 专利 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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