Signaling type control method of mobile phone signal

A mobile phone signal and control technology, applied in pilot signal distribution, duplex signal operation, interference to communication, etc., can solve problems such as occupancy, efficiency reduction of jammers, etc., and achieve power reduction, strong anti-interference, and high performance Effect

Active Publication Date: 2019-02-19
ZHEJIANG SUNWAVE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the received base station signal is simply forwarded, which also contains the signal transmitted by user data, since the transmission power of the modulated signal of user data accounts for most of the transmission power of the base station frame signal, it will be forwarded when the base station is busy. Most of the power (generally 70-80%) of the radio frequency signal is occupied by the user data, which reduces the efficiency of the jammer, so how to improve the efficiency of the jammer needs to be solved urgently

Method used

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  • Signaling type control method of mobile phone signal
  • Signaling type control method of mobile phone signal
  • Signaling type control method of mobile phone signal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment is a signaling control method for mobile phone signals. The method includes the following steps. For details, see image 3 : Establish a shielding processing system to ensure that the frequency reference of the shielding system is synchronized with the base station, utilize the feature that the frame reference signal of the base station is repeatedly sent according to the frame cycle of the base station, receive the frame signal of the base station in time-division, and perform multiple operations on the frame signal of the base station The frame average method is used to filter and process the frame reference signal of the base station to be purified, and the purified frame reference signal is used to shield the signal transmitted by the base station to realize the control of the mobile phone signal.

[0022] The invention utilizes the characteristic that the frame signal of the base station is repeatedly sent according to the radio frequency frame perio...

Embodiment 2

[0024] Such as Figure 4 As shown, the filtering process of the multi-frame averaging method in this embodiment adopts the moving average filtering algorithm. Specifically, a data buffer area is established first, and N sets of sampling data are stored in order, and then each time a new set of data is collected, the earliest set of data is discarded, and then the arithmetic mean of the N sets of data including the new data is calculated value or weighted average. For the case where the moving average filtering algorithm is used as the multi-frame average filtering process, the arithmetic average or weighted average of the N sets of data including the new data will be used as the data group for shielding emission. The dotted line in the figure is the next round of signal flow.

[0025] Such as Figure 5 As shown, in the present embodiment, each group of data groups is composed of M sub-data, and there are N groups of data groups; during operation, the sub-data at the same po...

Embodiment 3

[0027] Such as Figure 6 As shown, the multi-frame averaging method filtering process in this embodiment adopts the cumulative average value algorithm, the initial value is set to zero, and the last output value (that is, the data group obtained by the last calculation, each of which will be) multiplied by Add (N-1) the value received this time (the data in the corresponding array), and then divide the output by N as the output of this time, and the N value is the value representing the average number of times. Because the moving average filtering algorithm needs to store a large amount of data in the memory, when the storage resources are tight, it is recommended to use the cumulative average calculation method. For the case where the cumulative average algorithm is used as the multi-frame averaging method for filtering, the output data group after completing the operation of the entire data group is used as a shielding signal, that is, it is used as a shielding emission data...

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Abstract

The invention discloses a signaling type method of a mobile phone signal. The signaling type method of the mobile phone signal comprises the following steps: establishing a shielding processing system, and ensuring that the system frequency reference is synchronized with a base station; receiving frame signals of the base station time-divisionally by using the characteristic that the frame signalsof the base station are repeatedly transmitted according to a frame period of the base station; performing multi-frame averaging filtering processing on the frame signals of the base station to purify a frame reference signal of the base station; and shielding the base station by means of the purified frame reference signal. The multi-frame averaging filtering process on the frame signals causesthat modulated signals of the user data is cancelled out by most through vector addition filtering due to time-varying characteristics; but the reference signal given by the base station to the mobilephone is enhanced because the reference signal is always existed and the phase is unchanged. Synchronous emission is performed by using the frame reference signal of the base station obtained after purifying to disturb the base station signal, so that the mobile phone cannot distinguish the signal; and when the interference is large enough, the decoding fails and the network connection is lost. The signaling type method of the mobile phone signal is effective for a variety of mobile communications and has a good universality.

Description

technical field [0001] The invention relates to the fields of storage and forwarding of mobile communication and control of mobile phone signals, and mainly relates to a signaling type control method of mobile phone signals. Background technique [0002] Due to the multi-user characteristics of the existing mobile communication system and the technical system of multi-base station partition services, the frame signal of the base station received in the air contains a large number of modulated signals of user data, and the modulated signal of user data accounts for 10% of the transmit power of the base station. More than 70%, and the rest are mainly frame reference signals. [0003] The frame reference signal of the general base station, for example: the pilot signal of CDMA series and WCDMA series is its frame reference signal; the frame reference signal in LTE is PSS, SSS and CRS signal, etc., and the frame reference signal of TD-SCDMA is DWTPS signal , training sequence M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04K3/00
CPCH04K3/45H04K3/62H04K3/42H04K3/46H04K3/68H04K2203/16H04W56/001H04W56/0035H04L5/0048H04L5/14H04L43/028
Inventor 欧幸宝曹永福张宏亮翟海莹杨剑峰袁勇超马省吴江龙褚如龙朱哲科
Owner ZHEJIANG SUNWAVE COMM TECH CO LTD
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