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Fast radio link control error recovery with low-latency transmission

A transmission error and wireless communication technology, applied in the field of encyTransmission, can solve problems such as inapplicable low-latency communication

Active Publication Date: 2020-09-08
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the time delay used for the RLC error recovery process to schedule retransmissions may not be suitable for low-latency communications

Method used

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  • Fast radio link control error recovery with low-latency transmission
  • Fast radio link control error recovery with low-latency transmission
  • Fast radio link control error recovery with low-latency transmission

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Embodiment Construction

[0032] According to the present disclosure, devices can use fast error recovery procedures to reduce delays in radio link control (RLC) data packet recovery during low-latency operation. Aspects of the disclosure are described in the context of wireless communication systems. For example, a device may select a fast error recovery mode for component carriers associated with low-latency data, and may activate a timer to speed up the data recovery process. In some examples, a fast error recovery mode can reduce data recovery after negative acknowledgment (NACK) to acknowledgment (ACK) errors. These and other aspects of the present disclosure are further illustrated and described with reference to apparatus diagrams, system diagrams, and flowcharts related to fast error recovery modes.

[0033] figure 1 In accordance with various aspects of the present disclosure, an example of a wireless communication system 100 for fast RLC error recovery with low latency transmission is shown...

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Abstract

Methods, systems, and devices for communications are described. A fast error recovery procedure may be employed that reduces the latency of radio link control (RLC) data packet recovery during low latency operation. A device may detect a failed low-latency transmission and may activate a timer associated with the failed transmission. A device can generate a failure report if a failed transmission is not rescheduled; for example, if a timer expires before it is rescheduled. Failure reports may be sent to the device's RLC entity or the scheduler's Medium Access Control (MAC) layer entity. In some cases, a device may maintain a list of non-terminated transmissions for high priority bearers.

Description

[0001] cross reference [0002] This patent application claims priority to U.S. Patent Application No. 15 / 054,637, filed February 26, 2016, by Vajapeyam et al., entitled "FastRadio Link Control Error Recovery with Low Latency Transmissions"; U.S. Provisional Patent Application No. 62 / 127,179, entitled "Fast RLCError Recovery with Low Latency Transmissions," by Vajapeyam et al., filed March 2; each of which is assigned to the assignee of the present application . Background technique [0003] In general, the following relates to wireless communications, and more specifically, to fast radio link control (RLC) error recovery with low-latency transmission. Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems are capable of supporting communication with multiple users by sharing available system resources (eg, time, frequency, and power). Examples of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18
CPCH04L1/1851H04L2001/125H04L1/1812H04L1/1874H04L1/188H04L1/1893H04L5/0055H04W24/08
Inventor M·S·瓦加匹亚姆A·达姆尼亚诺维奇P·加尔陈万士徐浩
Owner QUALCOMM INC