Wireless Access Point Beacon Compression for Link Setup Latency
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Solution Overview
Problem
Wireless communication networks face delays and inefficiencies in initial link setup due to increased traffic and collisions when multiple stations attempt to connect simultaneously, leading to undesirable latencies and reduced network performance.
Innovation Solution
The method involves transmitting and receiving network domain identifiers from an access point to devices, allowing for reduced signaling during link setup by broadcasting access responses and modifying beacon messages based on demand, using compressed beacons, and prioritizing association requests to expedite link establishment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple stations attempt to connect to the network simultaneously, then network access capability is improved, but link setup time increases due to collisions and delays
Solution Approach 1:
The access point transmits compressed beacon messages containing essential network domain identifier information in advance, before actual connection requests are processed. This preliminary transmission of key information allows stations to prepare connection requests more efficiently, reducing the overall link setup time when multiple stations connect simultaneously
Solution Approach 2:
The patent modifies the beacon message format by compressing it and including only essential network domain identifier information. This parameter change in the message structure reduces transmission time and allows faster processing of connection requests, thereby reducing link setup time while maintaining network access capability
2Loss of information
If traditional beacon messages are transmitted, then complete network information is provided, but signaling overhead and link setup time increase
Solution Approach 1:
The patent extracts only the essential network domain identifier information from the complete beacon message and transmits it in a compressed format. This extraction of critical information maintains network information completeness for initial connection while reducing signaling overhead and link setup time by eliminating redundant data transmission
3Measurement precision
If full network domain identifiers are transmitted in access requests, then precise network service selection is achieved, but message size and processing time increase
Solution Approach 1:
The access point preliminarily transmits compressed network domain identifier information in beacon messages, allowing stations to reference this pre-provided information when forming access requests. This preliminary action enables precise network service selection without requiring stations to transmit full identifiers, thereby improving link establishment speed
4Loss of time
If compressed beacon messages are transmitted, then signaling overhead is reduced, but information completeness may be compromised
Solution Approach 1:
The patent changes the parameter structure of beacon messages by compressing them and selectively including only essential network domain identifier information. This parameter change reduces signaling overhead and link setup time while maintaining sufficient information completeness for initial network access and service selection
Data Source
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AI summary
Systems and methods for communicating in a wireless communication system are described. Various processes for reducing the initial link set up time are described. In one aspect, a method in a wireless communication system is provided. The method includes receiving, at a device, at least two different access request messages each for establishing a link with the device. The method further includes determining a period of time for transmitting access response messages in response to the received access request messages. The method further includes reserving a period of transmission time on a channel for transmitting the access response messages for establishing the link, the reservation based at least in part on the determined period of time. The method further includes transmitting the access response messages during the reserved period of time.