【摘要】：在Q/GDW 1379.4-2013通信單元檢驗(yàn)技術(shù)規(guī)范對載波通信單元功率消耗的限定要求下,為了有效提高低壓電力集抄臺(tái)區(qū)電能信息的采集速率,建設(shè)高速實(shí)時(shí)、雙向智能的用電信息采集系統(tǒng),提出了一種基于分子帶的電力線載波速率最大化算法。以帶寬2~30 MHz為信號(hào)載頻,結(jié)合Homeplug AV規(guī)約下的子載波自適應(yīng)調(diào)制方式,將相鄰子載波進(jìn)行邏輯分組為子帶,以中值信噪比門限算法為基礎(chǔ),融入貪婪功率分配機(jī)制,合理分配分子帶比特?cái)?shù),得到了最大化載波速率。仿真結(jié)果表明:較傳統(tǒng)的信噪比門限算法和Homeplug AV自適應(yīng)比特分配算法,提出的算法具有更高的載波速率,而相比于傳統(tǒng)貪婪算法,雖達(dá)到的載波速率略低,卻極大地降低了計(jì)算復(fù)雜度和硬件開銷。
[Abstract]:In order to effectively improve the collection rate of power information in the low voltage power collection station area, a high speed and real time is constructed under the limited requirements of the Q/GDW 1379.4 2013 communication unit inspection technical specification for the power consumption of the carrier communication unit. In a bidirectional intelligent power information acquisition system, a power line carrier rate maximization algorithm based on molecular band is proposed. Taking the bandwidth 2 鈮，

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