WiGig Wireless Device Bandwidth Management During Group Formation
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Solution Overview
Problem
In communication systems requiring bandwidth management, such as WiGig communication, the establishment of a communication channel between wireless devices using Wi-Fi Direct technologies is often incomplete, leading to inadequate communication quality due to the lack of effective bandwidth management during the group formation phase.
Innovation Solution
A wireless communication device is equipped with a finding unit to locate other devices using a first frame, a phase determining unit to identify whether it is in a send or receive phase, a communication mode setting unit to set modes for sending or receiving second frames with schedule information, and a group forming unit to manage bandwidth by sending or receiving action frames, enabling proper group formation and communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If Wi-Fi Direct technologies are applied to communication systems requiring bandwidth management (such as WiGig communication), then direct communication between wireless devices can be established, but the communication channel cannot be correctly established due to lack of bandwidth management
Solution Approach 1:
The patent applies preliminary action by establishing bandwidth management through second frame exchange before proceeding to group formation with action frames. The communication mode setting unit configures the communication mode in advance based on phase determination, ensuring that bandwidth resources are properly allocated before actual data communication begins, thus preventing channel establishment failures.
2Reliability
If bandwidth management is implemented during group formation phase, then communication quality is improved, but communication protocol complexity increases
Solution Approach 1:
The patent segments the communication process into distinct phases: find phase (first frame exchange), group formation phase (second frame and action frame exchange), and data communication phase. By dividing the protocol into these sequential stages with clear transition conditions, the patent manages complexity while ensuring bandwidth management is properly implemented during group formation.
Solution Approach 2:
The communication mode setting unit dynamically adjusts the communication mode based on the determined phase. The system transitions from finding mode to group formation mode to data communication mode, with each mode having specific bandwidth management requirements. This dynamic adaptation allows the protocol to be complex only when necessary (during group formation) while remaining simple during other phases.
Data Source
AI summary
A wireless communication device includes a communication unit that performs communication, a finding unit that finds another wireless communication device by using a first frame, a phase determining unit that determines whether the wireless communication device is in a first phase or in a second phase when information concerning the other wireless communication device is obtained that is found, a communication mode setting unit that sets a communication mode for sending or receiving a second frame and an action frame in accordance with a determination result, and a group forming unit that sends or receives the second frame and the action frame in accordance with the set communication mode. The second frame includes schedule information concerning a bandwidth used for communication with the other wireless communication device, and the action frame is used for forming a group with the other wireless communication device.