Shared Wireless Channel Signaling With Dynamic Timeslot Reallocation
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Solution Overview
Problem
Existing cellular communication systems inefficiently use physical resources due to the permanent reservation of FACH timeslots, leading to underutilization of traffic channel resources and increased power consumption when reusing FACH timeslots through HS-DSCH and HS-SCCH channels.
Innovation Solution
Implementing a signal processing logic to dynamically allocate and reallocate communication resources by setting direct signalling channel indicator bits, allowing flexible switching between channel types and reducing unnecessary transmissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If FACH timeslots are permanently reserved for direct signalling channels, then reliable communication control is ensured, but traffic channel resource utilization decreases
Solution Approach 1:
The patent implements dynamic allocation of timeslots between FACH and HS-DSCH channels based on actual communication needs. The Node B controller dynamically switches timeslot assignments between direct signalling channel and traffic channel modes, allowing the system to adapt resource allocation in real-time rather than using fixed permanent reservations.
2Productivity
If FACH timeslots are reused through HS-DSCH and HS-SCCH channels, then traffic channel resources increase, but power consumption increases
Solution Approach 1:
The patent employs periodic monitoring of communication activity patterns to determine when FACH timeslot reuse is necessary. The system alternates between low-power mode (using dedicated FACH timeslots) and high-performance mode (reusing timeslots through HS-DSCH), activating power-intensive channels only during periods when traffic demand justifies the additional power consumption.
Solution Approach 2:
The patent changes operational parameters of the communication system by dynamically adjusting whether timeslots are allocated to FACH or HS-DSCH based on traffic conditions. This parameter change allows the system to optimize the balance between power consumption and resource utilization by switching between different operational states.
3Ease of operation
If indicator bits are set for each direct signalling channel, then channel activation control is precise, but signalling overhead increases
Solution Approach 1:
The patent merges the control of multiple direct signalling channels by implementing a unified indicator bit mechanism. Instead of requiring separate indicator bits for each FACH channel, the system uses consolidated indicator bits that can control multiple channels or timeslots collectively, reducing the total number of indicator bits needed while maintaining effective channel activation control.
Data Source
AI summary
A user equipment (UE) may receive control information including a plurality of bits, wherein the plurality of bits provides an indication of at least one-time interval where physical control channel resources are utilized to signal UE-specific information. The UE may monitor the physical control channel resources of a first channel in the indicated time interval, to determine whether signaling information for the UE is present, The UE may further monitor the physical control channel resources of a second channel transmission in the indicated time intervals and determine whether the second channel transmission has a monitoring indicator bit for the UE or uplink transmission information for the UE. Based on the second channel transmission having the uplink transmission information, send an uplink transmission, and based on the second channel transmission having the monitoring indication bit indicating not to monitor the plurality of first channels in at least one time-interval.