公开(公告)号：US20140112176A1

公开(公告)日：2014-04-24

申请号：US14060980

申请日：2013-10-23

Applicant: BROADCOM CORPORATION

Inventor： Xiaotong LIN ,  Mehmet Vakif TAZEBAY

IPC: H04L12/26

CPC classification number: H04L43/50 ,  H04L1/0057 ,  H04L1/242 ,  H04L5/1438 ,  H04L5/16

Abstract: In the subject system for polarity detection, link initialization between a primary device and a secondary device may be performed in at least two stages, a half-duplex stage when only the primary device transmits initialization signals and any encoded handshaking signals may be set to false, and a full-duplex stage when both devices may transmit initialization signals. The secondary device may perform polarity detection during the half-duplex stage. If the secondary device determines that the polarities of the received signals are reversed, the secondary device may reverse the polarities of any signals subsequently received from, and transmitted to, the primary device. In this manner, the polarities can be corrected for both devices during the half-duplex stage by the secondary device. The secondary device may initiate the full-duplex link initialization stage, during which any handshaking signals may be exchanged, by transmitting signals to the primary device.

Abstract translation: 在用于极性检测的主题系统中，主设备和辅助设备之间的链路初始化可以在至少两个阶段中进行，当仅主设备发送初始化信号时，半双工阶段可以被执行，并且任何编码的握手信号可以被设置为假 ，以及当两个设备可能发送初始化信号时的全双工级。 辅助设备可以在半双工阶段执行极性检测。 如果辅助设备确定接收信号的极性反转，则辅助设备可以反转随后从主设备接收并发送给主设备的任何信号的极性。 以这种方式，可以通过辅助设备在半双工阶段期间两个设备的极性被校正。 辅助设备可以发起全双工链路初始化阶段，在此期间，可以通过向主设备发送信号来交换任何握手信号。