Apparatus for controlling data transmission timing responsively to a calculated collision ratio

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• and
• a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random and
• wherein said collision ratio calculator monitors an amount of collision accumulated in a predetermined period of time, the ratio of collision being equal to a value resultant from normalizing the accumulated amount of collision with a maximum accumulated amount of collision.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• and
• a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random wherein said stress response function value generator calculates the stress value on a basis of a function having a characteristic increasing a value as the ratio of collision increases.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• and
• a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random wherein said stress response function value generator evaluates the stored stress value at a predetermined time interval to produce an evaluated value, and causes the time development to provide the phase shift at a probability based upon the evaluated value.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random;
• and
• an impulse signal transmitter and receiver for transmitting a first impulse signal serving as the state variable signal at a discrete fashion at a timing dependent upon the phase of the own node, and for receiving a second impulse signal transmitted by the neighboring node to cause the phase of the neighboring node to be available to said phase calculator.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random;
• and
• a phase signal transmitter and receiver for consecutively transmitting a continuous phase signal serving as a phase variable signal affected by the phase of the own node, and for receiving a phase signal transmitted by the neighboring node to cause the phase of the neighboring node to be available to said phase calculator.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule based upon a phase response function;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• and
• a phase response function characteristic determiner operative in response to the ratio of collision for changing a characteristic of the phase response function wherein said phase response function characteristic determiner provides, when the ratio of collision is larger, the phase response function with a characteristic appropriate for reducing the ratio of collision, and changes the characteristic appropriately for equalizing a distribution of a phase difference as a value of the ratio of collision gets smaller.

Communication control apparatus to be included in a communication node forming a telecommunications network, comprising a transmission timing calculator responsive to a state of a phase changing in an own node for determining a first timing at which the own node transmits data,

• wherein said transmission timing calculator comprises:
• a phase calculator operative in response to receiving a state variable signal, transmitted by a neighboring node and affected by a phase representative of a second timing at which the neighboring node transmits data, for changing a state of a phase of the own node in accordance with a time development rule based upon a phase response function;
• a collision ratio calculator for monitoring a phase difference of the own node with respect to the neighboring node, and operative in response to the phase difference for calculating a ratio of collision on the first and second timings;
• and
• a phase response function characteristic determiner operative in response to the ratio of collision for changing a characteristic of the phase response function, and
• wherein said transmission timing calculator further comprises a stress response function value generator for storing time-serially a stress value corresponding to the ratio of collision, and operative in response to the stored stress value for causing the time development rule to provide a phase shift with a value of the phase shift made at random.