This disclosure provides methods and systems for reducing congestion in RoCEv2 networks. The method is configured to operate large-scale in data centers on traffic flowing from a sender node to a receiver node. The method described has three stages: a fast start stage, a transition stage, and a regulation stage. In the fast start stage, the sender sends data to the receiver at a fast initial rate. This may continue until the receiver observes a congestion event. When this happens, the sender reduces the data transfer rate as the method enters the transition stage. From a reduced rate, the method enters the regulation stage, where the rate is increased using a combination of a feedback control loop and an additive increase multiplicative decrease (AIMD) algorithm.

A wireless cellular telephone with an audio codec for converting digital audio signals to analog audio signals. The audio codec comprises two digital audio bus interfaces for coupling to respective digital audio buses, and a digital-only signal path between the two digital audio bus interfaces, such that no analog processing of the audio signals occurs in the digital-only signal path.

The present invention provides a communication method includes: determining, by a base station, radio frame configuration information; sending, by the base station, the determined radio frame configuration information to user equipment UE, where the radio frame configuration information is used to instruct the UE to set at least one of N consecutive downlink subframes of one radio frame as a first subframe, and/or the radio frame configuration information is used to instruct the UE to set at least one of M consecutive uplink subframes of one radio frame as a second subframe, where the first subframe is used for uplink service transmission, the second subframe is used for downlink service transmission, and N and M are positive integers not less than 2; and communicating, by the base station, with the UE by using a radio frame configured according to the radio frame configuration information.

A wireless cellular telephone with an audio codec for converting digital audio signals to analog audio signals. The audio codec comprises two digital audio bus interfaces for coupling to respective digital audio buses, and a digital-only signal path between the two digital audio bus interfaces, such that no analog processing of the audio signals occurs in the digital-only signal path.

A communications apparatus includes a radio module providing a predetermined wireless communications service and communicating with a peer communications apparatus in a predetermined frequency band in compliance with a predetermined protocol. The radio module includes a processor. The processor determines a maximum packet transmission duration, transmits information regarding the maximum packet transmission duration to the peer communications apparatus and negotiates a preferred packet transmission duration with the peer communications apparatus.

A wireless cellular telephone with an audio codec for converting digital audio signals to analog audio signals. The audio codec comprises two digital audio bus interfaces for coupling to respective digital audio buses, and a digital-only signal path between the two digital audio bus interfaces, such that no analog processing of the audio signals occurs in the digital-only signal path.