公开(公告)号：US08797907B2

公开(公告)日：2014-08-05

申请号：US13732195

申请日：2012-12-31

Applicant: Juniper Networks, Inc.

Inventor： Dharmadeep C. Muppalla

IPC: G01R31/08

CPC classification number: H04W24/02 ,  H04L1/0007 ,  H04L1/0026 ,  H04L1/1825 ,  H04W28/06

Abstract: Feedback indicates low signal-to-noise ratio (SNR) conditions for a wireless communications link between a transmitter device and a receiver device. After attempting to achieve a target packet error rate (PER) by increasing transmission power for the wireless communications link, the transmitter device receives feedback that indicates a current PER, for data transmitted using an initial automatic repeat request (ARQ) block size, is above the target PER for the receiver device, and changes, based on the feedback, the current ARQ block size to a different ARQ block size for the wireless communications link. The different ARQ block size may be adaptively selected to provide a maximum PDU size that achieves the target PER at the receiver device under the low SNR conditions.

Abstract translation: 反馈指示发射机设备和接收机设备之间的无线通信链路的低信噪比（SNR）条件。 在尝试通过增加无线通信链路的发射功率来实现目标分组错误率（PER）之后，发射机设备接收对于使用初始自动重传请求（ARQ）块大小传输的数据的指示当前PER的反馈，高于 接收机设备的目标PER，并且基于反馈将当前ARQ块大小改变为用于无线通信链路的不同ARQ块大小。 可以自适应地选择不同的ARQ块大小以提供在低SNR条件下在接收机设备处实现目标PER的最大PDU大小。