Small-Cell Traffic Prioritization Using CPE Traffic Profiles
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Solution Overview
Problem
Existing small-cell wireless networks fail to differentiate and prioritize data traffic for individual client devices connected to Customer Premises Equipment (CPE), leading to inefficient use of bandwidth and suboptimal quality of experience (QoE) due to undifferentiated data delivery.
Innovation Solution
Implementing methods and apparatus that allow for the characterization and prioritization of data traffic based on client device types by generating traffic profile messages, enabling per-client data traffic prioritization within the network, using enhanced CPE and base stations to allocate resources effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data traffic is delivered without differentiation to all client devices, then network simplicity is maintained, but bandwidth utilization efficiency deteriorates
Solution Approach 1:
The patent segments data traffic into different priority levels (first priority for latency-sensitive traffic, second priority for other traffic) and allocates dedicated time slots for each priority level. This segmentation allows the network to differentiate and prioritize traffic without requiring complex per-packet processing, thus improving bandwidth utilization while maintaining manageable network complexity.
Solution Approach 2:
The patent changes the time domain parameter by introducing a first time slot for high-priority traffic and a second time slot for other traffic. This temporal parameter change enables traffic prioritization through simple time-division multiplexing, improving efficiency without adding significant system complexity.
2Reliability
If per-client data traffic prioritization is implemented, then quality of experience is improved, but system complexity increases
Solution Approach 1:
The patent segments traffic handling into distinct priority levels and time slots, allowing quality of experience improvement for latency-sensitive applications without requiring complex real-time per-packet analysis. The segmentation approach provides deterministic service quality while keeping the scheduling mechanism relatively simple.
Solution Approach 2:
The patent implements periodic time-division multiplexing with dedicated time slots for different priority traffic. This periodic structure provides predictable and reliable service quality for high-priority traffic while maintaining a systematic and manageable scheduling approach, avoiding the need for complex adaptive algorithms.
3Productivity
If undifferentiated data delivery is used, then device complexity is reduced, but bandwidth allocation efficiency deteriorates
Solution Approach 1:
The patent introduces time domain parameters (first time slot, second time slot) to differentiate traffic handling. This parameter change enables more efficient bandwidth allocation by dedicating specific time resources to high-priority traffic, improving overall bandwidth utilization without requiring complex spatial or frequency domain resource management.
Solution Approach 2:
The patent employs periodic time-division multiplexing to allocate bandwidth efficiently. By regularly alternating between time slots for different priority traffic, the system achieves consistent and predictable bandwidth allocation efficiency while maintaining a simple and repeatable scheduling pattern that does not increase device complexity significantly.
Data Source
AI summary
Methods and apparatus for prioritizing data traffic in small-cell wireless system. In one embodiment, the system utilizes “quasi-licensed” CBRS (Citizens Broadband Radio Service) wireless spectrum in conjunction with a wireless communication network (e.g., 3GPP 4G-LTE or 5G-NR-based). A “traffic profile” message is used to prioritize the data traffic. In one variant, the traffic profile message is generated by a Customer Premises Equipment (CPE) such as a CBRS FWA, and includes data related to CPE identification, default bearer identification, number of client devices served by the CPE (e.g., via a wireless router connected to the CPE), traffic type and/or priority level associated with each client device and/or data traffic type, etc. In another variant, the base station provides data services to a plurality of fixed wireless access (FWA) apparatus installed at user or subscriber premises of a network based on prioritization according to the present disclosure.