Wireless Resource Allocation for Multi-Cell Flexibility
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Solution Overview
Problem
Current wireless communication systems, such as LTE and New Radio (NR), face limitations in flexibility and efficiency, particularly in managing multiple cells and component carriers, which affect communication performance across various scenarios like enhanced Mobile BroadBand, massive Machine Type Communication, and Ultra Reliable and Low Latency Communication.
Innovation Solution
The implementation of a wireless communication system that utilizes OFDM symbols with cyclic prefix and discrete Fourier transform-spread OFDM, along with resource grid configurations and subcarrier-spacing, to enhance communication flexibility and efficiency by optimizing the configuration of serving cells, component carriers, and resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a base station device manages multiple cells and component carriers using conventional communication structures, then coverage area and service capacity are improved, but communication flexibility and efficiency deteriorate due to limited resource management capabilities
Solution Approach 1:
The patent segments the resource management function by introducing separate indication information for first resource allocation (across multiple cells) and second resource allocation (within a cell). This segmentation allows independent optimization of each resource type, improving overall system flexibility while maintaining multi-cell coverage capability
Solution Approach 2:
The patent adds a new dimension to resource management by introducing cross-carrier resource allocation alongside traditional intra-carrier allocation. This dimensional expansion enables more versatile resource distribution strategies across multiple component carriers, resolving the flexibility limitation
2Quantity of substance
If a base station device manages multiple cells and component carriers using conventional communication structures, then service capacity is improved, but communication efficiency deteriorates due to limited resource management capabilities
Solution Approach 1:
The patent implements dynamic resource allocation by enabling the network to flexibly indicate resource assignments through separate indication information for different resource types. This dynamic capability allows real-time optimization of resource distribution across multiple cells and carriers, improving communication efficiency while maintaining high service capacity
Solution Approach 2:
The patent changes the parameter structure of resource allocation by introducing distinct indication fields for first resource allocation and second resource allocation. This parameter differentiation enables independent optimization of each resource type, improving overall communication efficiency without sacrificing service capacity
3Stability of the object's composition
If conventional communication structures are used, then system compatibility is maintained, but flexibility in managing multiple cells and component carriers is limited
Solution Approach 1:
The patent achieves multi-functionality by designing a resource allocation mechanism that can simultaneously handle both cross-carrier and intra-carrier resource assignments through unified indication information. This universal approach maintains compatibility with existing systems while providing enhanced flexibility for managing multiple cells and component carriers
Data Source
AI summary
The PUSCH is scheduled by a random-access response grant included in the random-access response, ML interlaces are configured for the active UL BWP, ILth interlace in the ML interlaces includes a set of resource blocks with index IVRB each of which satisfies relationship lL=mod(IVRB+Nstart,uBWP,i, ML), the Nstart,uBWP,i is a starting common resource block of the active UL BWP with index i, resource block assignment information in the random-access response grant indicates one or more interlaces from the ML interlaces, a first resource blocks assigned for the PUSCH in a case that the active UL BWP is different from an initial UL BWP are resource blocks in the one or more interlaces in the initial UL BWP, and a second resource blocks assigned for the PUSCH in a case that the active UL BWP is the initial UL BWP are same as the first resource blocks.