Multi-Phase Signal Stages for Stable Clock Load Switching
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Solution Overview
Problem
Existing multi-phase signal generation systems face challenges in transitioning between different phase modes, such as eight-phase and four-phase signals, due to indeterministic phase shifts and changes in load on clock generators, which can disrupt phase-locked loops and prevent seamless transitions during operations like cellular phone calls, and increase power consumption.
Innovation Solution
An apparatus and method that utilize 2^(n) phase signal generation stages with a controller to provide active periodic binary signals and steady state signals, maintaining the same load on clock generators across modes, ensuring deterministic phase relationships and reducing power consumption by switching between 2^(n) and 2^(n-1) phase signals based on transmitter power levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the system transitions between different phase modes (e.g., eight-phase to four-phase signals), then the power consumption is reduced and adaptability is improved, but indeterministic phase shifts occur and phase-locked loops are disrupted
Solution Approach 1:
The patent applies preliminary action by pre-establishing deterministic phase relationships between different phase modes before transitions occur. The system configures the phase signal generation stages and controller in advance to ensure that when mode switching happens, the phase relationships remain predictable and deterministic, preventing disruptions to phase-locked loops while enabling power-efficient adaptability between eight-phase and four-phase modes.
2Use of energy by moving object
If the system switches between 2^n and 2^(n-1) phase signals based on transmitter power levels, then power consumption is reduced, but the load on clock generators changes
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the operational parameters of the phase signal generation stages based on transmitter power levels. The controller modifies the activation state of specific stages to switch between 2^n and 2^(n-1) phase signals, optimizing power consumption while maintaining deterministic phase relationships. This parameter adjustment ensures that the system adapts its complexity to match the required transmit power, reducing energy usage during low-power operations.
3Reliability
If seamless transitions between phase modes are enabled, then reliability is improved, but the system complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the phase signal generation system into multiple independent stages, where each stage can be individually controlled and activated. This segmentation allows the controller to selectively enable or disable specific stages to achieve transitions between different phase modes (e.g., from all stages active in eight-phase mode to half stages active in four-phase mode). The modular stage structure simplifies the control mechanism while ensuring reliable, deterministic transitions by allowing independent management of each segment's contribution to the overall phase signal.
Data Source
AI summary
The disclosure relates to technology for generating multi-phase signals. An apparatus includes 2{circumflex over ( )}n phase signal generation stages. The apparatus also includes a controller configured to provide a mode input of each of the 2{circumflex over ( )}n stages with an active periodic binary signal with remaining inputs of each of the 2{circumflex over ( )}n stages provided with another periodic binary signal to collectively generate a 2{circumflex over ( )}n phase signal in a first mode. The controller is further configured to provide the mode input of each of 2{circumflex over ( )}(n−1) odd stages with a first steady state signal and the mode input of each of 2{circumflex over ( )}(n−1) even stages with a second steady state signal with remaining inputs of each of the 2{circumflex over ( )}n stages provided with the same periodic binary signal as in the first mode to cause either the 2{circumflex over ( )}(n−1) odd stages or the 2{circumflex over ( )}(n−1) even stages to collectively generate a 2{circumflex over ( )}(n−1) phase signal in a second mode.