TH23902B - Improved way of cell search and synchronization. And equipment for wireless communication - Google Patents

Abstract

DC60 (11/05/43) The received communication signal was correlated with the common synchronization code. To generate a synchronization check signal Components of the inspection signal Synchronized with a known synchronizer signal. Will be removed from the synchronization check signal. To generate a synchronization check signal, remove interference.The interval of the synchronization signal is determined from the synchronization check signal.Use to remove the interference according to one issue. Insertion is achieved by generating a correlation of Known synchronization signal received and projected against the co-synchronization code and the deletion of the known and projected synchronization signal correlation with the synchronization code. Synchronize In conjunction with the synchronization check signal To generate a synchronization check signal, minus the interference.The timing of the synchronization signal may be determined by the signal binding. Check the synchronization to remove the interruption over time. And the measurement of the highest point in The synchronization check signal is used to remove the total interference. And determining the time of The signal is synchronized from the measured peak. On the other hand, the deletion of interruption is achieved by combining the overtime synchronization check signal and specifying the peak in the uninflated synchronization check signal. Known synchronization and timing of the synchronization signal from the specified peak. Connecting device Related destinations are also disclosed. The received communication signal was correlated with the common synchronization code. To generate a synchronization check signal Components of the inspection signal Synchronized with a known synchronizer signal. Will be removed from the synchronization check signal. To generate a synchronization check signal, remove interference.The interval of the synchronization signal is determined from the synchronization check signal.Use to remove the interference according to one issue. Insertion is achieved by generating a correlation of Known synchronization signal received and projected against the co-synchronization code and the deletion of the known and projected synchronization signal correlation with the synchronization code. Synchronize In conjunction with the synchronization check signal To generate a synchronization check signal, minus the interference.The timing of the synchronization signal may be determined by the signal binding. Check the synchronization to remove the interruption over time. And the measurement of the highest point in The synchronization check signal is used to remove the total interference. And determining the time of The signal is synchronized from the measured peak. On the other hand, the deletion of interruption is achieved by combining the overtime synchronization check signal and specifying the peak in the uninflated synchronization check signal. Known synchronization and timing of the synchronization signal from the specified peak. Connecting device Related destinations are also disclosed.

Claims (9)

1. Wireless communication system Where this includes a number of cells where the synchronized signal is rubbed into In the code cell according to the joint synchronization code And a method of processing the received communication signal showing a mix of synchronized signals. It consists of the steps of: - Correlation of the received communication signal with the common synchronization code to generate the synchronization check signal. - Removing the synchronization check signal component that Coexist with the signal Synchronize knowing from the synchronization check signal. To generate a synchronization check signal, remove the interference; And - determination of the interval of the synchronization signal from the detection signal Synchronization that deletes interruption 2. Method as stated in Clause 1: where such step of deletion consists of the steps of: - Creating a synchro correlation. Synchronize known, received and estimated Co-ordinate with the synchronization code; And - deletion of the received and estimated correlation of the known synchronization signal. With a common synchronization code from the synchronization check signal. To generate a synchronization signal that removes the stirring interference; And where such phase of the interval determination consists of the steps of: - Synchronization detection signal integration, remove intermittent interference; - Detection of the peak in the synchronization check signal that removes the total interference; And - determination of the timing of the synchronization signal from the detectable peak 3. The method specified in Clause 2, where such step of procreation The correlation of the known and projected synchronization signal to the co-synchronization code consists of the steps of: - Verification of the known synchronization signal. With estimate Of the channel through which a known synchronization signal was sent. To create a signal Synchronize known, received and estimated; And - correlation of known and projected synchronization signals with Synchronization code 4. Method as described in Clause 1: where such procedure of deletion consists of a procedure; - the inclusion of synchronized check signals over time; - identification of the peak in the combined out-of-signal synchronization check signal Synchronize the known; And - where the aforementioned stage of the time interval consists of Stages of Determine the interval of the synchronization signal from the specified peak 5. Method according to Clause 4 where such step of peak determination consists of the peak determination procedure. In the combined synchronization check signal That is out of the known synchronization signal And in accordance with the previously established guidelines. 6. Procedures stated in Clause 4; Where that step of specifying the peak It consists of steps of: - Identification of a number of peaks in the uncoordinated collective synchronization check signal. With a known synchronization signal; And - the selection of a number of peaks in accordance with the selection criteria; And - where such step of the time interval Consists of the steps of Determine the interval of the synchronization signal from the selected peak 7. Method according to claim 1, where the known synchronization signal contains the synchronization signal. Coexistence with cells listed at the beginning 8. Method as stated in Clause 7 where the known synchronization signal consists of a synchronic signal co-address with the cell. At the power destination connection device Communicate also via traffic lanes 9. Method as stated in Clause 7: - where the aforementioned deletion procedure is carried out by a series identification process. Of the synchronized signal that is co-located with a set of waiting cells to be called; And - where the aforementioned step of deletion It consists of the process of removing sections. Composition of the synchronization check signal that corresponds to the synchronization signal co-located with the cell. Of a series of cells waiting to be called from the synchronization check signal To create a check signal Synchronization is used to remove interruptions 1 0. The method described in Clause 9, where such step of identification. A set of known synchronization signals. It consists of the steps of; - reception of the synchronized signal from the communication medium; - identification of the synchronization signal in the received communication signal; - identification of the cells that the specified synchronization signal will be accompanied by; And - Adding the specified cells to the set of waiting cells. If signal is synchronized The address with the specified cell follows the predetermined guidelines 1. 1. The method described in Clause 1 in which the synchronized signals will include a part encoded in accordance with the Co-Synchronization Code 1. 2. Method as specified. Provided in claim 1, where the co-synchronization signal It is transmitted to each cell through the Guidance Channel 1 3. Method as outlined in claim 1 where such procedures of correlation, deletion and assignment are performed in response to the linking device. Per destination Waking from sleep mode 14, The methods stated in Clause 13: where the aforementioned stages of correlation will be continued by the steps of: - awakening from sleep mode; - reception of communication signals from the communication medium; And - evaluation of a set of waiting cells based on received communication signals; - where the said phase of correlation consists of a process of Build a correlation to the received communication signal. To generate a synchronization check signal if the cell waits for an estimated call. Does not meet the pre-established guidelines; Where the aforementioned deletion phase consists of a procedure; - the inclusion of synchronized check signals over time; And - indication of the peak in the combined synchronization check signal. That are not included in Known synchronization signal That together with a cell waiting to be called a cell; And - where the aforementioned phase of the timing consists of steps of Set the interval of the synchronization signal from the specified peak; And - where the method continues with the process of identifying cells waiting for new cells to be called Accompanied by a specified peak from the specified interval of the synchronization signal in conjunction with the specified peak 1 5. The method as specified in Clause 1, where such procedure of Correlation, deletion, and assignment will take place while the destination device is in working mode 1 6. Method as stated in Clause 1 at which the said procedure of deletion. It is continued by the phase of component assignment in conjunction with the synchronization signal. Known on the basis of knowledge of one of the following To be the least; - known interval of synchronization signal; - Known channel characteristics of the synchronization signal. Is received at the destination connection device; - the shape of the pulse coexisting with a known synchronization signal When accepted at Terminal equipment; - path loss (path loss) associated with a known synchronization signal received at Terminal equipment; And - the code together with the known synchronization signal 1 7. Method as described in Clause 1: where such deletion procedure It consists of steps of: - Generation of a known correlation of the synchronized signal at one received and Estimated with the common synchronization code; - Deleting a known synchronization signal correlation at one received and Estimated with a co-synchronization code from a synchronization check signal to generate a synchronization check signal, used to remove interference; And - the inclusion of the synchronization check signal is used to remove the interference over time; and - identification of the peak in the synchronization check signal minus the absence of interference Together with the second known synchronization signal; And - where the aforementioned phase of the timing consists of steps of Define the interval of the synchronization signal from the specified peak 1 8. The method specified in Clause 1 in which each successive synchronization signal is further encoded. Continue following the code according to the specific cell's synchronization code and where that step of the interval assignment is followed by the coding step. Synchronization of a specific cell on the basis of the given intervals of the synchronization signal. In order to identify a cell coexist with a specific cell's synchronization code 1. 9. Method for use with wireless communication systems. Which includes a number of cells Where the signal A synchronization is sent in the code cell according to the joint synchronization code. By means of the terminal connection device consists of: - a means to receive a communication signal showing a combination of synchronized signals; - A way that responds to it, to serve, to build a relationship. Communication signal received with a common synchronization code to generate a synchronization check signal; - the way to respond to the said path To create a correlation to delete a section Of the synchronization check signal coexisting with the known synchronization signal from the signal. Check synchronization To create a synchronization check signal, use Remove Interference: and - Path to respond to that path. In order to set the time Of the synchronization signal from the synchronization check signal is used to remove the interference. As stated in claim 19: where the aforementioned pathway for deletion includes: - A known synchro signal correlation is determined. Received and estimated with the common synchronization code; And - the pathway that responds to the path to origin to remove the correlation Of a known synchronization signal received and estimated with the co-synchronization code. From the synchronization check signal To create a synchronization check signal, remove the interference; And where the aforementioned pathway to determine the time period includes: - The path to integrate the synchronization detection signal to remove the interruption over time: To check the peak in The synchronization check signal is used to remove the included interference; And - pathway to respond to that method to determine the time interval of The signal is synchronized from the maximum detectable point 2 1. Endpoint devices as described in Clause 20, where such a means. In order to generate a known correlation of the received synchronization signal It is also estimated with the co-synchronization code, including: - A path to filter out the known synchro signal by Estimation of the channel through which a known synchronization signal was sent. To generate a known, received and estimated synchronization signal; And - pathway to respond to such pathway for filtration To create correlation Known synchronization signal received and estimated with synchronization code 2. 2. End connection device As set out in claim 19: where such means to delete It consists of: - A path to integrate the synchronization check signal over time; - Pathways respond to them for inclusion. To indicate the highest point in Combined synchronization check signal not attached to a known synchronization signal; And - where the path for determining the time interval consists of the path to define The interval of the synchronization signal from the specified peak 2 3. End device. As stated in Clause 22, where such means To identify the peak, it consists of a path to identify the peak in the signal. Check the aggregate synchronization that is not co-ordinated with the known synchronization signal and that it meets the pre-established guidelines. 2 4. Endpoint Connection. As set out in claim 22: where the aforementioned route to identify the peak includes: - The path to identify a number of peaks in the synchronization signal. Include that does not coexist with a known sync signal; And - the way in response to the said path To specify a number of peaks To select a certain peak of a certain number of peaks according to the selection criteria; And - where the aforementioned pathway to determine the time period contains a path to define The interval of the synchronized signal from the selected peak 2 5. End device. As set out in claim 19, which follows the method for storing the identifier of the cell. And where the signal The known synchronization contains the address synchronization signal shared with the stored cell identifier 2 6. Endpoint connection device. As stated in Article 25, which further includes the path for identifying the set of synchronization signals transmitted for A set of cells waiting to be called And where the option to delete contains the path to delete the portion Composition of a synchronization check signal that matches the synchronization signal. To create a signal Check the synchronization. Remove the interference. 2. 7. End device. As stated in Clause 26, where the said way To identify a known set of synchronization signals, consisting of: - a means to receive a communication signal, a communication medium; - the way that responds to the said path To receive, to identify the signal Synchronization in the received communication signal; - the way to respond to the said path To be used to identify the synchronization signal To identify the cells to which the specified synchronization signal coexists; And - the way that responds to it To identify a cell to add the specified cell to the set of cells waiting to be called if the specified synchronization signal coexists with the cell. Specified in accordance with the guidelines set before. 2. 8. End connection device. As stated in Clause 19, where each signal is synchronized It includes the encoded section according to the common synchronization code 2. 9. End device. As stated in claim 19, where the co-synced signal is transmitted through the navigation signal in each cell 3 0. End-of-connection device. As set out in Clause 19, where Continue with the way to change the terminal connection device during sleep mode. And where the way to serve, the way to build relationships, the way to negative and the way to Determined to respond to the said path To change in order to receive communication signals to establish Correlation of the received communication signal with the common synchronization code. To establish a correlation, remove interruptions and determine the duration of the synchronization sequence from the correlation minus the interruption response to the endpoint connected device waking from sleep mode. Connect destination As set out in Clause 19, where Further, with a method for determining the co-components in the known synchronization signal on the base of Knowledge of one of the following matters The least is: - Known synchronization signal interval; - Characteristics of the channel through which the synchronized signal is known Is received at the destination connection device; - The shape of the co-pulses, the syncronized signal that is known when received on the device. Connect the destination; - Lost path in conjunction with the known synchronization signal when received at the destination connection device; And - the code together with the known synchronization signal 3 2. End device. As stated in claim 19: where such pathways to subtract includes: - the path to generate a known correlation of a known synchro signal. Received and estimated with the common synchronization code; - Pathways to Respond to Pathways to Generate Signal Correlations Synchronize the known one that was received and estimated. To remove the signal correlation The one known synchronization received and estimated is applied to the synchronization code. To create a check signal Synchronization is used to remove interpolation: and - path response to negative correlation path. Synchronize the known one that was received and estimated. To integrate the synchronization check signal Use to remove insertions, stirring over time; And - the way in response to the said path To include for the purpose of specifying the highest point in The synchronization check signal is used to remove interference that does not co-exist with the synchronization signal. Who already knew the second; And where that path for determining time consists of the Such as for the time period. Pathways to determine the time of the signal Synchronized from the specified peak 3 3. End device. As stated in Clause 19, where the signal The concatenated synchronization is further encoded according to the specific cell's synchronization code and is followed by a path to determine the specific cell's synchronization code on the basis of The time interval of the synchronization signal In order to identify the cell coexist with the synchronization code. 3 4. A device for processing the communication signals received in the connected device. Destinations that communicate with cells in a wireless communication system The wireless communication system will include A number of cells Where the synchronization signal is sent in the common synchronization code cell. The device consists of: - A correlation generator that establishes a correlation signal received with Co-synchronization code To generate a synchronization check signal; - The interrupt deletion responds to the aforementioned correlator and removes the component of the synchronization check signal co-exist with the synchronization signal. I know from the synchronization check signal. To generate a synchronization check signal, remove the interference; And - Interval to set the interval of the synchronization signal from The synchronization check signal is used to remove the interference. 3 5. End device. As stated in Clause 34: where such interference removers include: - A known and received synchronizer estimator that generates the signal. Known and estimated synchronization: - Second correlation generator that responds to the synchronizer estimator. Known and accepted And gave birth to a known correlation of the synchroic signal. And get and estimate it with a common synchronization code; And - A negative correlation that responds to the aforementioned first and second correlator and subtracts the received and estimated correlation of the known synchronization signal. With a common synchronization code from the synchronization check signal. To create a check signal Synchronization is used to remove insertions, stirring; And where the modifier is: - The aggregator responds to the minus. And the combined signal to check the synchronization is used to delete Insertion is stirred over time; - Peak detector that responds to the said aggregator. And measure the highest point in The synchronization check signal is used to remove the included interference; And - The time interval for the response to the detector peak and the interval of the synchronization signal from the measured peak. 3 6. End connection device. As set out in claim 34: where the interpolation remover consists of: - The aggregate responds to the said first correlation generator. And use the signal combination Ensure synchronization over time; - The peak detector responds to it. And measure the highest point In the combined synchronization check signal that is not co-ordinated with the known synchronization signal; And where the time interval will respond to the aforementioned peak detector And set the interval of the synchronization signal from the highest measured point. As stated in Clause 34, where the signal Each synchronization signal includes a segment that is encoded according to the common synchronization code. 3. 8. End device. As stated in Clause 34, where the signal A common synchronization is transmitted through the navigation transponders in each cell. 3. 9. Endpoint Connection. As set out in Clause 34, where the interference remover Will remove components that are already known to synchronize signal on The basis of knowledge of any of the following To be the least: - Known synchronization signal interval; - characteristics of the channel through which a known synchronized signal is received At the destination connected device; - The shape of the pulse in conjunction with a known synchronization signal, as received at the destination coupling device; - Lost path combined with known synchronization signal As received at the destination connecting device; And - the code together with the known synchronization signal 4 0. End device As stated in Clause 34, where such insertion remover contains: - Known and received synchronizer estimator. To generate a signal Synchronize the known one received and estimated; - The second correlation generator responds to the synchronizer estimator. Known and accepted And gave birth to a known correlation of the synchroic signal. The one received and projected against the common synchronization code; - Negative responders respond to the first correlation generator and to the correlation generator. Second such And subtract the known correlation of the synchronized signal at the receiving one and Estimated with the common synchronization code from the synchronization check signal. To create a check signal Synchronization is used to remove the insertion of stir; - The aggregator responds to such negative ones. And is used to combine signal to check the synchronization Use to remove insertions, stirring over time; And - The peak detector responds to such an aggregate. And used to measure the highest point in The synchronization check signal is used to remove the interference that does not coexist with the second known synchronization signal; And - where the aforementioned interval determines the interval of the synchronization signal from The stated peak 4 1. Method of processing the incoming communication signal as a combination of the synchronized signal. Where it consists of: - correlation between the incoming communication signal and the synchronization code. To create a Measuring signal synchronization process; - Estimation of the components of the integrated synchronization process measuring signal. With the synchronization signal according to the knowledge of the synchronized signal; - Deletion of the estimated value of the measured signal, the synchronization process supplied with Known synchronization signal exits from the synchronized measurement signal. To create a measuring signal Synchronize with the stirring insert removed; And - determination of the interval of the synchronization signal from the minus the synchronization measurement signal. 4 2. Methods stated in Clause 41, where the procedure for such deletion consists of: - Establishing correlation of known and inherited synchronous signals as required. Can be estimated with the code synchronization; And - deleting the correlation of known and derived synchronization signals approximately with the code. Synchronized from a synchronized measuring signal. To generate a synchronization measuring signal that has removed the stirring 4 3. The method specified in Clause 42, where the procedure for determining the period consists of: - Synchronization of the synchronization signal that has removed the interruption over time; - measurement of the peak in the synchronized measurement signal with the collected interference removed; And - determination of the interval of the synchronization signal from the maximum measured point 4. 4. Methods set out in Clause 42 at which the said correlation procedure Of a known synchronization signal received. According to an approximation to the synchronized code, it includes: - Filtering of the known portion of the synchronized signal with the approximation of the channel at all times at which the known synchronized signal is transmitted. Go to generate a known synchronization signal that Get it as expected; And - Establishing a known synchronization signal correlation. Derived according to estimates with synchronization code 4 5. Method as described in Clause 41: where the aforementioned deletion procedure consists of the following pathways: - signal integration, interval synchronization; And - indication of the peak in the included synchronize measuring signal. That didn't come with the signal Synchronize Known: and where the phases of the determination of the period consist of the phase of the assignment. The interval of the synchronized signal from the specified peak 4. 6. Devices containing: - A correlation path received with the synchronization code. To create a Synchronized measurement signal; - Estimate path of the accompanying synchronization signal components Synchronized signal on the knowledge of a known synchro signal; - Negative path, the estimated portion of the accompanying synchronizer signal. Synchronization signal known from the synchronized measurement signal. To create a check signal Synchronized gauge with stirred insertion removed; And - the trajectory determines the interval of the synchronization signal from the negative of the 4 negative synchronous measuring signal. 7. Equipment as set out in Clause 46, where such removal methods include: - Known wing-synchronization correlation pathways. And received according to estimates with Synchronization code; And - the known correlation pathway of the synchronization signal. And received according to estimates with Synchronized code from the synchronized measuring signal. To generate a negative synchronization measure signal Insertion 4 8.Equipment as stated in Clause 47 of claim, where such interval pathway consists of: - Synchronized sensing pathway that eliminates interruption over time: - route. Measure the highest point in the synchronized measuring signal with the included interruption of the interference; And - the trajectory determines the interval of the synchronized signal from the measured peak 4. 9. Equipment as stated in Clause 47, where such method of creation Known correlation of synchronization signals And obtained according to approximations to the co-synchronization code, consisting of: - Known path filtering parts of the synchronization signal. With an approximate value of the channel at all times at which a known synchronized signal is sent. To generate a known synchronization signal. And received according to estimation; And - the path to establish a known synchronization signal correlation And obtained according to estimates with the Synchronization Code 5. 0. Devices, as stated in Clause 46, where such deletion paths will consist of: - Synchronous sensing pathway. Nice over time; - The trajectory indicates the peak in the combined synchronized measurement signal that is not supplied. Known synchronization signal; And - where the aforementioned pathway for determining time consists of the time-defining pathway of Synchronized signal from the specified peak.