Frequency Interlace Transmission for Small Wireless Packet Efficiency
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in transmitting small data packets over large bandwidths, particularly in high-frequency bands like the 60 GHz band, where using contiguous wideband frequency resources is wasteful and inefficient, and channel sensing introduces latency and unreliability.
Innovation Solution
The use of frequency interlaces, which are distributed frequency resource portions within a system bandwidth, allows for efficient transmission of small data packets without channel sensing, while larger packets are transmitted using contiguous wideband resources after sensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If contiguous wideband frequency resources are used for transmission, then data transmission capacity is improved, but resource utilization efficiency deteriorates for small packets
Solution Approach 1:
The frequency spectrum is segmented into multiple frequency interlaces, where each interlace consists of non-contiguous frequency resources distributed across the bandwidth. Small data packets can be transmitted using only the necessary resources within a single interlace, while larger packets can utilize multiple interlaces or combine resources across interlaces, thereby achieving efficient resource utilization for both small and large packets.
2Reliability
If channel sensing is performed before transmission, then transmission reliability is improved, but transmission latency increases
Solution Approach 1:
Frequency interlaces are pre-configured and allocated to user equipment before actual data transmission occurs. The network node performs resource allocation and configuration in advance, allowing the user equipment to transmit data immediately without performing channel sensing at the moment of transmission, thus reducing latency while maintaining reliability through pre-established resource assignments.
3Loss of energy
If frequency interlace is used for small packets, then resource utilization efficiency is improved, but transmission reliability may deteriorate due to distributed resources
Solution Approach 1:
Multiple frequency interlaces can be merged or combined to form contiguous wideband resources when needed for larger packets or when higher reliability is required. The network node can dynamically select to use a single interlace for small packets (optimizing efficiency) or combine multiple interlaces for larger packets (improving reliability and capacity), thus resolving the contradiction between efficiency and reliability.
Data Source
AI summary
According to an example embodiment, an example method may include determining, by a network node in a wireless network, whether a size of a data packet is greater than a threshold size; transmitting, by the network node, the data packet via a frequency interlace if the size of the data packet is less than or equal to the threshold size; transmitting, by the network node, the data packet via contiguous wideband frequency resources if the size of the data packet is greater than the threshold size.