In phy layer, OFDM technique is introduced to guarantee the reliable data transmission in complicated physical environments.
在物理层，采用OFDM等技术为数据在复杂的物理环境中传输提供可靠的保证。
The 802.16e standard, representative of broadBand wireless system, chooses OFDM as its PHY layer framework.
作为宽带无线通信系统的代表，802.16E系统采用了OFDM技术作为其物理层基础。
And this chip contains PHY layer, so it can connect to RJ45 socket which has built-in transformer directly.
另外该芯片内置以太网物理层可直接连接内置变压器的RJ 45插座，而不需要专用的物理层芯片。
The reduced communication rate may be achieved by reducing the symbol rate provided by the multi-rate PHY layer operations.
降低 的传输速率可通过降低多速率PHY层操作所提供的符号速率来实现。
This article briefs the broad-band wireless access system, and systematically details the IEEE standard 802.16.1by giving its system model, air interface proto-cols of MAC and PHY layer.
文章简介了宽带无线接入系统，着重对美国IEEE标准802.16.1系统进行了介绍，给出其系统模型及其空中接口MAC、PHY层协议内容。
This algorithm combined sub-carrier allocation in the physical(PHY) layer with traffic scheduling at the data link layer (DLL) by employing the channel state information.
利用物理层的信道状态信息，该算法将物理层（PHY）的子载波分配同数据链路层（DLL）的数据包业务调度结合起来。
This algorithm combined sub-carrier allocation in the physical(PHY) layer with traffic scheduling at the data link layer (DLL) by employing the channel state information.
利用物理层的信道状态信息，该算法将物理层（PHY）的子载波分配同数据链路层（DLL）的数据包业务调度结合起来。
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