Apparatus and method for dynamic transfer window
A transmission window and transceiver technology, applied in the direction of link quality-based transmission modification, transmission monitoring, transmission system, etc., can solve problems such as low channel utilization efficiency, ineffectiveness, and increased jitter.
Active Publication Date: 2020-04-21
INTEL CORP
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Problems solved by technology
[0011] Transmitting the maximum number of frames allowed is the most efficient method where the frame error rate is zero, but this method becomes less and less effective as the frame error rate increases
At high frame error rates, the result is lower channel utilization and increased jitter
Method used
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[0043] Described herein are embodiments related to processing signals and / or data in a system according to the technology disclosed herein. For the purpose of explanation, a large number of specific details are set forth in order to provide a thorough understanding of the claimed subject matter. However, it may be obvious that the claimed subject matter can be implemented without these specific details.
[0044] "ATW" as used herein is an abbreviation of "aggregate transmission window", which may be "m-ATW" or "e-ATW" as further defined herein.
[0045] As used herein, "m-ATW" or "maximum aggregate transmission window" means that for a specific transmission or a series of transmissions, the maximum size of a transmission measured in any data unit, such that the size of one or more transmissions Compliance is determined as the maximum transmission size that may achieve certain communication results at a specific point in time.
[0046] As used herein, "e-ATW" or target average "effe...
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The communication system includes: a transmission controller configured to send transmissions to one or more transceivers; a device performance analyzer configured to receive feedback regarding receipt of transmissions at the transceivers and analyze such feedback to estimate the quality of communications using existing ATW, and output quality information; an ATW performance analyzer configured to receive the quality information of the device performance analyzer, and perform further analysis to estimate whether ATW should be retained as in current operations or is modified based on feedback received from said transceiver, and outputs estimation information; or an ATW feedback analyzer configured to receive feedback about ATW from said other transceiver, and to estimate, based on such feedback, whether ATW should be as in Whether the current operation is retained or modified based on feedback received from the transceiver; and an ATW estimator configured to receive the ATW performance analyzer's estimate information so that if that is the ATW performance analyzer's estimate then leave unmodified current ATW, and passing this reservation to the transmit controller, and modifying the current ATW if that is the estimated information of the ATW performance analyzer, and passing the modified ATW to the flow controller, wherein the flow controller is configured to The modified ATW is received from the ATW estimator and passed to the transmit controller. The system is suitable for carrying out the corresponding method.
Description
Background technique [0001] When using high data transmission rates, the channel utilization efficiency of modern wireless communication systems (such as but not limited to IEEE802.11 networks) is compromised. One reason for this is that the physical layer header and control frame are transmitted at a relatively low transmission rate, and the relatively low rate consumes channel time. In order to deal with this problem, wireless communication systems incorporate mechanisms designed to improve the efficiency of high-rate data transmission services. One of these mechanisms is called "Protocol Data Unit (PDU) aggregation". [0002] In some systems, each frame received from the higher layer is submitted to the lower layer as an independent PDU. In some systems, frames can aggregate several PDUs and generate aggregates (A-PDUs) before being submitted to lower layers. The "Block Acknowledgement" (BA) method can be used to confirm the receipt of several PDUs in a single acknowledgment...
Claims
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IPC IPC(8): H04L1/18H04L1/00H04L12/801H04L47/27
CPCH04L1/0026H04L1/1854H04L1/187H04L1/1887H04W28/0242H04W28/0236H04L47/27H04W28/0231H04B17/318H04L5/006H04L41/14H04W84/12
Inventor Y.阿尔珀特D.科恩A.皮萨雷夫斯基
Owner INTEL CORP