CN116489243A - Communication device for receiving data packet based on signal strength - Google Patents
Communication device for receiving data packet based on signal strength Download PDFInfo
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- CN116489243A CN116489243A CN202310460018.9A CN202310460018A CN116489243A CN 116489243 A CN116489243 A CN 116489243A CN 202310460018 A CN202310460018 A CN 202310460018A CN 116489243 A CN116489243 A CN 116489243A
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- 238000004891 communication Methods 0.000 title claims abstract description 95
- 239000002775 capsule Substances 0.000 claims abstract description 99
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000001079 digestive effect Effects 0.000 claims description 44
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 44
- 230000005540 biological transmission Effects 0.000 description 25
- 238000001514 detection method Methods 0.000 description 17
- 230000002572 peristaltic effect Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 15
- 230000002496 gastric effect Effects 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000002604 ultrasonography Methods 0.000 description 4
- 230000029087 digestion Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000968 intestinal effect Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
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Abstract
The present disclosure describes a communication device for receiving data packets based on signal strength, the communication device comprising a plurality of receivers and a processor; the capsule endoscope processes the acquired image data into a plurality of data packets and sequentially transmits the plurality of data packets to a plurality of receivers; the plurality of receivers are used for receiving a plurality of data packets from the capsule endoscope and marking the signal intensity of the received data packets; the processor is communicatively coupled to the plurality of receivers and determines a destination receiver of the plurality of receivers based on signal strengths of the data packets received by the respective receivers and receives the data packets received by the destination receiver, wherein the plurality of receivers are configured such that an average of the signal strengths of the data packets received by the destination receiver is not less than an average of the signal strengths of the data packets received by any of the other receivers. According to the present disclosure, the integrity of data received from a capsule endoscope can be improved.
Description
The present application is a divisional application of patent application with application number 2020103659726, which is a communication device for receiving data of a capsule endoscope, and with application number 2020, 4 and 30.
Technical Field
The present disclosure relates generally to the field of communications, and more particularly to a communication device for receiving data packets based on signal strength.
Background
With the development of modern medical technology, lesions in the gastric cavity (e.g., polyps on the stomach wall) can be examined by capsule endoscopy. The capsule endoscope can conveniently help doctors and the like to acquire the image data of the focus in the gastric cavity so as to help the doctors to diagnose and treat the gastric cavity of the patient. Such capsule endoscopes typically have a wireless transceiver device with which an external communication device can communicate to receive image data acquired by the capsule endoscope within the gastric cavity.
In a conventional communication device, for example, a communication device disclosed in patent document CN202654094U is generally provided with a multi-path antenna that can be used for communication with a wireless transceiver of a capsule endoscope and a switch that can be used for switching the multi-path antenna, and the antenna having the highest signal intensity among the multi-path antenna is detected at a fixed timing and switched to the antenna to communicate with the wireless transceiver of the capsule endoscope, thereby receiving image data acquired in the gastric cavity by the capsule endoscope.
However, in the above patent documents, the capsule endoscope is usually in a moving state when the capsule endoscope performs image acquisition in the gastric cavity, and the signal intensity of each antenna is constantly changed, so that it is usually necessary to frequently switch the antennas when the communication device and the communication method are used for data reception. In this case, it is difficult to switch to the antenna with the largest signal strength in time. In addition, only one antenna is communicated with the wireless transceiver of the capsule endoscope at each moment, and when the signal of the antenna is weak or other line faults such as circuit breaking occur, the integrity of image data received by the communication device from the capsule endoscope is easy to be poor.
Disclosure of Invention
The present disclosure has been made in view of the above-described conventional art, and an object thereof is to provide a communication device for receiving data of a capsule endoscope, which can improve the integrity of data reception.
To this end, the present disclosure provides a communication device for receiving data of a capsule endoscope, the communication device comprising: a plurality of receivers disposed outside the body and around the capsule endoscope, the receivers for receiving data from the capsule endoscope, wherein the capsule endoscope processes the acquired image data into a plurality of data packets, each of the data packets including at least data information and a serial number of the data packet, the capsule endoscope sequentially transmits the plurality of data packets to the plurality of receivers by wireless broadcasting, the receivers marking a signal intensity for the received data packets; and a processor communicatively coupled to the plurality of receivers and configured to determine a target receiver of the plurality of receivers based on a number of data packets received by each receiver and/or the signal strength and to receive the data packets received by the target receiver.
In the communication device according to the present disclosure, the capsule endoscope processes the acquired image data into a plurality of data packets and transmits the data packets to a plurality of receivers, the receivers mark signal strengths for the received data packets, and the processor determines a target receiver of the plurality of receivers based on the number and/or signal strengths of the data packets received by the respective receivers and receives the data packets received by the target receiver. Thereby, the integrity of the data received from the capsule endoscope can be improved.
In addition, in the communication apparatus according to the present disclosure, optionally, the number of data packets received by the target receiver is not smaller than the number of data packets received by any other receiver of the plurality of receivers. In this case, the target receiver is determined based on the number of data packets received by the receiver, enabling more complete reception of data.
In addition, in the communication device according to the present disclosure, optionally, an average value of signal strengths of the data packets received by the target receiver is not smaller than an average value of signal strengths of the data packets received by any other receiver of the plurality of receivers. In this case, the target receiver is determined based on the signal strength of the data packet received by the receiver, enabling more accurate reception of data.
In addition, in the communication apparatus according to the present disclosure, optionally, the processor is configured to, if the number of data packets received by the target receiver is smaller than the number of the plurality of data packets, query other receivers of the plurality of receivers in a predetermined order, and receive the missing data packets of the target receiver from the other receivers. Thereby, data can be more completely received.
In addition, in the communication apparatus according to the present disclosure, the predetermined order may be a random order, an order arranged in a distance from the target receiver, an order arranged in a signal strength of a first packet received by the receiver, an order arranged in a number of packets of the receiver, or an order arranged in a predetermined number of the receiver. Thus, a predetermined order can be conveniently formulated.
In addition, in the communication device according to the present disclosure, optionally, the receiver directly forwards the received data packet to the processor. Therefore, the processor can conveniently process the data packet in real time.
In addition, in the communication apparatus according to the present disclosure, the receiver may have a buffer for buffering the data packet. Therefore, the data packet can be stored conveniently by the receiver.
Additionally, in the communication apparatus according to the present disclosure, optionally, the processor is configured to query the receiver at a timing to confirm whether the receiver completes reception of the plurality of data packets or to cause the receiver to receive the plurality of data packets within a predetermined time. Thus, it is possible to easily confirm whether the receiver has completed receiving the data packet.
In addition, in the communication device according to the present disclosure, optionally, the data packet includes a header with first identification information, a packet body containing data information, and a packet tail with second identification information, and the receiver determines the integrity of the data packet by identifying the first identification information and/or the second identification information. Therefore, the integrity of the data packet can be conveniently judged.
Further, in the communication device according to the present disclosure, optionally, a coil is connected to each receiver, and the receiver communicates with the capsule endoscope through the coil. Thereby, the receiver can be conveniently communicated with the capsule endoscope.
According to the communication device for receiving the data of the capsule endoscope, the integrity of the data received from the capsule endoscope can be improved.
Drawings
The present disclosure will now be explained in further detail by way of example only with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram showing an application of a communication device for receiving data of a capsule endoscope according to an example of the present disclosure.
Fig. 2 is a schematic diagram showing the structure of a capsule endoscope according to an example of the present disclosure.
Fig. 3 is a schematic diagram showing a data packet after image data is processed according to an example of the present disclosure.
Fig. 4 is a schematic diagram showing one arrangement of a plurality of receivers according to an example of the present disclosure.
Fig. 5 is a schematic diagram showing another arrangement of a plurality of receivers according to an example of the present disclosure.
Fig. 6 is a block diagram schematically illustrating the structure of the receiver shown in fig. 4 and 5.
Fig. 7 is a schematic diagram showing a receiver and a processor with a host therebetween to which examples of the present disclosure relate.
Fig. 8 is a flow chart illustrating a communication device according to an example of the present disclosure receiving data from a capsule endoscope.
Detailed Description
Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the following description, the same members are denoted by the same reference numerals, and overlapping description thereof is omitted. In addition, the drawings are schematic, and the ratio of the sizes of the components to each other, the shapes of the components, and the like may be different from actual ones.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in this disclosure, such as a process, method, system, article, or apparatus that comprises or has a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include or have other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In addition, headings and the like referred to in the following description of the disclosure are not intended to limit the disclosure or scope thereof, but rather are merely indicative of reading. Such subtitles are not to be understood as being used for segmenting the content of the article, nor should the content under the subtitle be limited only to the scope of the subtitle.
Fig. 1 is a schematic diagram showing an application of a communication device 2 that receives data of a capsule endoscope 1 according to an example of the present disclosure.
In the present embodiment, the capsule endoscope 1 can communicate with the communication device 2. In some examples, the capsule endoscope 1 may collect image data within the digestive lumen 31 of the subject 3, and the communication device 2 may receive the image data collected by the capsule endoscope 1 within the digestive lumen 31 of the subject 3. In some examples, the capsule endoscope 1 may lie on the examination bed 4 (see fig. 1) while the capsule endoscope 1 collects image data within the digestive lumen 31 (e.g., gastric lumen) of the subject 3.
Fig. 2 is a schematic diagram showing the structure of the capsule endoscope 1 according to the example of the present disclosure.
In some examples, the capsule endoscope 1 may be a medical device formed in a shape such as a capsule that can be introduced into the digestive cavity 31 of the subject 3 (see fig. 1 and 2). In some examples, the housing 100 of the capsule endoscope 1 may be in the form of a capsule housing. In some examples, the housing 100 of the capsule endoscope 1 may include a cylindrical main housing 101 and two hemispherical end housings 102 and 103 at both ends of the main housing 101. In some examples, the main housing 101 in combination with the end housing 102 and the end housing 103 may be formed as an airtight package structure, i.e., a capsule-type housing, so as to maintain a liquid-tight state inside the capsule endoscope 1.
In some examples, the end housing 102 and the end housing 103 may be threadably connected to the main housing 101. In other examples, the end housing 102 and the end housing 103 may be adhesively connected to the main housing 101.
In some examples, the end housing 102 or the end housing 103 may be an optical element that may transmit light of a prescribed wavelength (e.g., visible light). In some examples, both end housing 102 and end housing 103 may be optical elements that may transmit light of a prescribed wavelength. In other examples, one of the end housing 102 or the end housing 103 may be an optical element that may transmit light of a prescribed wavelength, while the other is opaque.
In some examples, the capsule endoscope 1 may include an acquisition module 11, a processing module 12, and a transmission module 13. In some examples, the acquisition module 11 may acquire image data, the processing module 12 may process the image data acquired by the acquisition module 11, and the transmission module 13 may transmit the image data processed by the processing module 12 to the outside (see fig. 2).
As described above, the acquisition module 11 may acquire image data within the digestive lumen 31, for example. In some examples, the acquisition module 11 may include an image pickup section 111 that captures an image and an illumination section 112 that provides illumination light to the image pickup section 111. In some examples, the harvesting module 11 may be disposed at the same end as the light-transmissive end housing (end housing 102 or end housing 103). The capsule endoscope 1 can acquire image data in the digestive cavity 31 of the subject 3 via the end housing (end housing 102 or end housing 103) by the acquisition module 11, for example, the capsule endoscope 1 can acquire image data in the digestive cavity 31 by the image pickup section 111 in a manner of taking a photograph, for example, taking a photograph of the inner wall of the digestive cavity 31. The illumination section 112 may provide illumination light to an area where image data is to be acquired, thereby facilitating the image pickup section 111 to take a picture clearly.
Fig. 3 is a schematic diagram showing a data packet after image data is processed according to an example of the present disclosure.
In some examples, as described above, processing module 12 may process image data acquired by acquisition module 11. Specifically, in some examples, the processing module 12 may process the image data acquired by the acquisition module 11 into a plurality of data packets (see fig. 3). In some examples, each data packet may include a header with first identification information, a body containing the data information, a trailer with second identification information, and a sequence number of the data packet (e.g., "06" in the diagram "06/100") (see fig. 3). In addition, in some examples, the data packets may also include a total number of data packets (e.g., "100" in the illustration "06/100") resulting from processing the image data.
In some examples, the first identification information may be pre-agreed information, for example, may be a 2-bit 16-ary number represented by 8 bytes. In some examples, the second identification information may be verification information of the data carried by the data packet, or pre-agreed information. In some examples, the data information included in the packet body of each of the plurality of data packets may be combined to obtain the information included in the image data. In some examples, the sequence number of the data packets may be determined based on the order processed by the processing module 12, e.g., the sequence number of the first data packet obtained after processing by the processing module 12 is "01", the sequence number of the second data packet obtained after processing by the processing module 12 is "02", the sequence number of the third data packet obtained after processing by the processing module 12 is "03", and the sequence number of the nth data packet obtained after processing by the processing module 12 is "n".
In some examples, the transmission module 13 (described later) may transmit the data packet to the communication device 2 according to the sequence number of the data packet, the receiver 21 (described later) of the communication device 2 may determine the integrity of the data packet by identifying the first identification information and/or the second identification information, and the processor 22 (described later) of the communication device 2 may read the image data acquired by the acquisition module 11 through the data information.
In some examples, the transmission module 13 may be used for data transmission between the capsule endoscope 1 and the communication device 2. For example, in some examples, the transmission module 13 may transmit the plurality of data packets obtained after processing by the processing module 12 to the communication device 2. In some examples, the transmission module 13 may transmit a plurality of data packets to the communication device 2 in accordance with the sequence numbers of the data packets. In some examples, the transmission module 13 may also transmit the plurality of data packets to the communication device 2 in a random order. In some examples, the transmission module 13 may be a bluetooth module, a Near Field Communication (NFC) module, a WIFI module, or a module that may transmit wirelessly.
In some examples, the transmission module 13 may transmit the data packet to the communication device 2 immediately, that is, when the processing module 12 processes the image data acquired by the acquisition module 11 into a plurality of data packets, the transmission module 13 directly transmits the data packet to the communication device 2. In other examples, after the processing module 12 processes the image data acquired by, for example, the acquisition module 11 into a plurality of data packets, the storage module 14 (described later) may store the data packets first, and then the transmission module 13 transmits the data packets to the communication device 2.
Furthermore, in some examples, the capsule endoscope 1 may further comprise a storage module 14 temporarily storing image data acquired by the acquisition module 11. In some examples, the storage module 14 may store image data acquired by the capsule endoscope 1, acceleration information of the capsule endoscope 1 within the digestive cavity 31, and pose information of the capsule endoscope 1 within the digestive cavity 31. In some examples, the storage module 14 may store data packets resulting from processing of the image data, acceleration information, or pose information by the processing module 12.
In some examples, the memory module 14 may also be comprised of any of read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), ferroelectric memory (FeRAM), solid state memory (SSD). In this case, the memory module 14 has a high storage stability, and data stored in the memory is not easily lost.
In some examples, the capsule endoscope 1 may transmit the data packets to the communication device 2 by wireless broadcasting. In some examples, the transmission module 13 of the capsule endoscope 1 may send the data packets to the communication device 2 by wireless broadcasting.
Additionally, in some examples, the capsule endoscope 1 may further include an accelerometer (not shown) that may acquire acceleration information of the capsule endoscope 1 within the digestive cavity 31. In this case, the processing module 12 may also process the acceleration information acquired by the accelerometer and be included in the plurality of data packets. In some examples, the processing module 12 may also process the acceleration information acquired by the accelerometer and include in other data packets.
In addition, in some examples, the capsule endoscope 1 may further include a gyroscope (not shown), which may acquire posture (deflection angle) information of the capsule endoscope 1 within the digestive cavity 31. In this case, the processing module 12 may also process the attitude information acquired by the gyroscope and include the above-described plurality of data packets. In some examples, processing module 12 may also process the pose information acquired by the gyroscope and include it in other data packets.
In addition, in some examples, the capsule endoscope 1 may further include a Ph value detection device (not shown), which may acquire Ph value information within the digestive lumen 31. In this case, the processing module 12 may further process the Ph value information acquired by the Ph value detecting means, and include the Ph value information in the plurality of data packets. In other examples, the Ph value detecting device and the capsule endoscope 1 may be two devices that are independent from each other and that perform the examination in the digestive cavity 31, and the Ph value detecting device may transmit Ph value information acquired by the Ph value detecting device in the digestive cavity 31 to the capsule endoscope 1, and the processing module 12 of the capsule endoscope 1 processes the Ph value information and includes the Ph value information in the plurality of data packets. In some examples, the processing module 12 may also process the Ph value information acquired by the Ph value detection device, and include the Ph value information in other data packets. In some examples, the Ph value detection device may also communicate with the communication device 2 and send the Ph value information it acquired in the digestion chamber 31 directly to the communication device 2.
In addition, in some examples, the capsule endoscope 1 may further include a digestive cavity peristaltic detection device (not shown) that may acquire peristaltic information of the digestive cavity 31 such as peristaltic speed, peristaltic force, peristaltic acceleration, and the like of the digestive cavity 31. In this case, the processing module 12 may also process peristaltic information acquired by the digestive lumen peristaltic detection device and contained in the plurality of data packets. In other examples, the digestive cavity peristaltic detection device and the capsule endoscope 1 may be two devices that are independent from each other and are used for performing the examination in the digestive cavity 31, and the digestive cavity peristaltic detection device may transmit peristaltic information acquired in the digestive cavity 31 to the capsule endoscope 1, and the processing module 12 of the capsule endoscope 1 processes the peristaltic information and includes the peristaltic information in the plurality of data packets. In some examples, the processing module 12 may also process peristaltic information acquired by the digestive lumen peristaltic detection device and may be included in other data packets. In some examples, the digestive lumen peristaltic detection device may also communicate with the communication device 2 and send peristaltic information acquired by it within the digestive lumen 31 directly to the communication device 2.
In addition, in some examples, the capsule endoscope 1 may further include an ultrasonic detection device (not shown) that may acquire ultrasonic information within the digestive lumen 31, e.g., the ultrasonic detection device may perform an ultrasonic examination of an inner wall of the digestive lumen 31 to acquire cross-sectional information of the inner wall of the digestive lumen 31, for example. In this case, the processing module 12 may also process the ultrasonic information acquired by the ultrasonic detection device and include the ultrasonic information in the plurality of data packets. In other examples, the ultrasonic detection device and the capsule endoscope 1 may be two devices that are independent from each other and perform inspection in the digestive cavity 31, and the ultrasonic detection device may transmit ultrasonic information acquired by the ultrasonic detection device in the digestive cavity 31 to the capsule endoscope 1, and the processing module 12 of the capsule endoscope 1 processes the ultrasonic information and includes the ultrasonic information in the plurality of data packets. In some examples, the processing module 12 may also process the ultrasound information acquired by the ultrasound detection device and include in other data packets. In some examples, the ultrasound detection device may also communicate with the communication device 2 and send its ultrasound information acquired within the digestion chamber 31 directly to the communication device 2.
However, the example of the present embodiment is not limited to this, and the capsule endoscope 1 may receive information acquired in the digestive cavity 31 by another digestive cavity examination device, process the information, and transmit the information to the communication device 2.
In the present embodiment, the communication apparatus 2 may include a plurality of receivers 21 and a processor 22 (see fig. 1). Wherein the receiver 21 may receive data from the capsule endoscope 1 and the processor 22 may receive data from the receiver 21 and process the data.
Fig. 4 is a schematic diagram showing one arrangement of the plurality of receivers 21 according to an example of the present disclosure. Fig. 5 is a schematic diagram showing another arrangement of the plurality of receivers 21 according to an example of the present disclosure. Fig. 6 is a block diagram schematically showing the structure of the receiver 21 shown in fig. 4 and 5.
In some examples, the capsule endoscope 1 may transmit data packets to a plurality of receivers 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n) by wireless broadcasting. In some examples, the transmission module 13 of the capsule endoscope 1 may transmit the data packets to the plurality of receivers 21 by wireless broadcasting. Specifically, the transmission module 13 of the capsule endoscope 1 may be in communication with the plurality of receivers 21, and when the transmission module 13 transmits data packets to the plurality of receivers 21 in a wireless broadcast manner, each receiver 21 may receive the data packets transmitted from the transmission module 13. In some examples, each receiver 21 may also receive data packets sent by the transmission module 13 at the same time.
In some examples, the number of the plurality of receivers 21 included in the communication apparatus 2 may be 1 to 20. In some examples, the number of the plurality of receivers 21 included in the communication device 2 may be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20.
In some examples, a plurality of receivers 21 may be arranged around the capsule endoscope 1. Specifically, when the subject 3 lies on the examination bed 4 and the capsule endoscope 1 is introduced into the digestive cavity 31, the positions where the plurality of receivers 21 are located may be located around the digestive cavity 31, that is, the positions where the plurality of receivers 21 are located may be located around the capsule endoscope 1 (see fig. 1).
In some examples, the plurality of receivers 21 may be arranged on a certain side of the capsule endoscope 1, for example in some examples the plurality of receivers 21 may be arranged on the examination bed 4 or on the control mechanism 5 (see fig. 4). In other examples, multiple receivers 21 may be arranged on opposite sides of the capsule endoscope 1 (see fig. 5), for example, in some examples multiple receivers 21 may be arranged on both the couch 4 and the control mechanism 5 (see fig. 5).
In some examples, the couch 4 may include a carrying tray 41 for carrying the receivers 21 (e.g., receivers 21a, 21b, 21c, … …, 21 n), and the receivers 21 (e.g., receivers 21a, 21b, 21c, … …, 21 n) may be disposed on the carrying tray 41. In some examples, the carrier platter 41 may have an interface (not shown) that may power the receivers 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n). In some examples, the carrier platter 41 may also have a storage device (not shown), and data packets received by the receivers 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n) may be stored in the storage device of the carrier platter 41.
In some examples, the control mechanism 5 may include a mounting plate 51 for mounting the receiver 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n), and the receiver 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n) may be disposed on the mounting plate 51. In some examples, the mounting plate 51 may have an interface (not shown) that may power the receivers 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n). In some examples, the mounting plate 51 may also have a storage device (not shown), and data packets received by the receivers 21 (e.g., receiver 21a, receiver 21b, receivers 21c, … …, receiver 21 n) may be stored in the storage device of the mounting plate 51.
In some examples, the plurality of receivers 21 may be arranged in a linear arrangement. In some examples, the plurality of receivers 21 may be arranged in an arc arrangement. In some examples, the plurality of receivers 21 may be arranged in a manner arranged in a polygon. In some examples, the polygon may be a regular polygon such as a triangle, square, rectangle, parallelogram, regular pentagon, regular hexagon, or the like. In some examples, the plurality of receivers 21 may be arranged in a circular arrangement. In some examples, the plurality of receivers 21 may be arranged in an elliptical arrangement. However, the example of the present embodiment is not limited thereto, and the plurality of receivers 21 may be arranged in other shapes such as a shape similar to the digestion chamber 31.
In some examples, the relative positions between the plurality of receivers 21 and the couch 4 may be fixed. For example, in some examples, the position between the carrier plate 41 and the couch 4 may be fixed. In some examples, the position between the plurality of receivers 21 and the couch 4 may be adjustable. For example, in some examples, the position between the carrier plate 41 and the couch 4 may be adjustable. In this case, for subjects 3 of different body types or digestive lumens 31 (e.g., gastric lumen, small intestinal lumen, or large intestinal lumen) of different positions, the position between the receiver 21 and the examination bed 4 can be adaptively adjusted so that the receiver 21 is located around the capsule endoscope 1.
In some examples, each receiver 21 may be connected with a coil 211 (see fig. 6), respectively. The coil 211 of the receiver 21 may communicate with the transmission module 13 of the capsule endoscope 1, such that the receiver 21 receives the data packets of the capsule endoscope 1. This facilitates communication between the receiver 21 and the capsule endoscope 1.
In some examples, the receiver 21 may determine the integrity of the data packet by identifying the header and trailer of the data packet.
In some examples, the receiver 21 may flag the signal strength for the received data packet. In some examples, the signal strength may be the signal strength of the packet as it arrives at the receiver 21.
In the following, the data packet shown in fig. 3 will be described in detail by taking the data packet as an example in order to better understand the communication between the receiver 21 and the capsule endoscope 1. For example, after the acquisition module 11 of the capsule endoscope 1 acquires image data in the digestive cavity 31, the processing module 12 processes the image data into a plurality of data packets as shown in fig. 3. The transmission module 13 transmits the data packet to each of the receivers 21 (e.g., the receiver 21a, the receiver 21b, the receivers 21c, … …, the receiver 21 n) by broadcasting. After receiving the data packet, the receiver 21 marks the signal strength of the data packet.
In addition, in some examples, the receiver 21 may determine the integrity of the data packet by identifying the first identification information and the second identification information, e.g., in some examples, if the receiver 21 does not identify the second identification information in the received data packet, it may determine that the data packet is an incomplete data packet. Therefore, the integrity of the data packet can be conveniently judged.
In addition, in some examples, the receiver 21 may determine whether the data packet obtained by processing the image data is completely received by identifying the total number of data packets. In some examples, if the receiver 21 does not completely receive the data packet obtained by processing the image data, the receiver 21 may determine which portion of the data packet is specifically missing by identifying the sequence number of the data packet.
In some examples, the receiver 21 may also have a buffer 212 and a marker 213 (see fig. 6). In some examples, buffer 212 may buffer packets received by receiver 21. Thereby, the receiver 21 can store the data packet conveniently. In some examples, the marker 213 may mark the signal strength of the data packet received by the receiver 21.
In some examples, the receiver 21 may transmit the received data packets to the processor 22 for processing and display. In some examples, the receiver 21 may transmit the data packet to the processor 22 immediately, that is, the receiver 21 may transmit the data packet to the processor 22 directly after receiving the data packet. Thus, the processor 22 can be facilitated to process the data packet in real time. In some examples, after the receiver 21 receives the data packet, the data packet may be buffered in the buffer 212, and then the buffered multiple data packets of the image data may be transmitted to the processor 22 together. In some examples, after the receiver 21 receives the data packet, the data packet may be buffered in the buffer 212, and then a predetermined number of data packets may be transmitted to the processor 22 at a predetermined timing.
In this embodiment, the processor 22 may be communicatively coupled to a plurality of receivers 21. In some examples, the processor 22 may be communicatively coupled to the plurality of receivers 21 by a wireless communication connection, such as a bluetooth, near Field Communication (NFC), or WIFI wireless connection. In some examples, the manner in which the processor 22 is communicatively coupled to the plurality of receivers 21 may be a wired communication connection, such as a wired connection of USB, HDMI, or VGA.
In some examples, processor 22 may receive data packets received by receiver 21.
In some examples, the processor 22 may be configured to determine a target receiver 21 (which may be, for example, any one of the receivers 21a, 21b, 21c …, or 21 n) of the plurality of receivers 21 based on the number of data packets received by the respective receiver 21 or the signal strength of the data packets received by the respective receiver 21, and to receive the data packets received by the target receiver 21. This can improve the integrity of the data received from the capsule endoscope 1.
In some examples, the number of data packets received by the target receiver 21 may be no less than the number of data packets received by any other receiver 21 of the plurality of receivers 21. In this case, the target receiver is determined based on the number of data packets received by the receiver 21, enabling more complete reception of data. In some examples, the average value of the signal strengths of the data packets received by the target receiver 21 may be not less than the average value of the signal strengths of the data packets received by any other receiver 21 of the plurality of receivers 21. In this case, the target receiver is determined based on the signal strength of the data packet received by the receiver 21, and the data can be received more accurately. In some examples, the signal strength of the first data packet received by the target receiver 21 may be no less than the signal strength of the first data packet received by any other receiver 21 of the plurality of receivers 21.
Specifically:
for example, the number of data packets received by the plurality of receivers 21 is X respectively 1 、X 2 、X 3 …X n The average value of the signal intensities of the data packets received by the plurality of receivers 21 is Y 1 、Y 2 、Y 3 …Y n The signal strength of the first data packet received by the plurality of receivers 21 is Z 1 、Z 2 、Z 3 …Z n . The processor 22 may determine the receiver 21 corresponding to the largest X as the target receiver 21, or the processor 22 may determine the receiver 21 corresponding to the largest Y as the target receiver 21, or the processor 22 may determine the receiver 21 corresponding to the largest Z as the target receiver 21. However, the example of the present embodiment is not limited thereto, and for example, the processor 22 may calculate a weighted average (for example, 0.4x+0.3y+0.3z) of the X, Y, Z of the respective receivers 21, and determine the receiver 21 corresponding to the maximum value obtained by the calculation as the target receiver 21.
Hereinafter, the manner in which the processor 22 determines the target receiver 21 when the maximum value of X has two (or more) is exemplarily described. It should be understood that one skilled in the art will also recognize the manner in which the processor 22 determines the target receiver 21 when the maximum value of Y or Z has two (or more) according to the following illustrative description.
In some examples, for example, if X 1 Is X 1 、X 2 、X 3 …X n The processor 22 may compare X to the maximum value of (a) 1 The corresponding receiver 21 doesIs targeted to the target receiver 21 and receives the data packets received by the target receiver 21.
In some examples, for example, if X 1 ＝X 2 And is X 1 、X 2 、X 3 …X n The processor sorts X according to the sequence number 1 The corresponding receiver 21 is determined as the target receiver 21, and the data packet received from the target receiver 21.
In some examples, for example, if X 1 ＝X 2 And is X 1 、X 2 、X 3 …X n Maximum value of (a), then to Y 1 And Y is equal to 2 Comparing the sizes of (C) if Y 1 ＞Y 2 Then Y is taken 1 The corresponding receiver 21 is determined as the target receiver 21, and receives the data packet received by the target receiver 21.
In some examples, for example, if X 1 ＝X 2 And is X 1 、X 2 、X 3 …X n Maximum value of (a), then to Y 1 And Y is equal to 2 Comparing the sizes of (C) if Y 1 ＝Y 2 Then to Z 1 And Z is 2 Comparing the sizes of (3) if Z 1 ＞Z 2 Processor 22 will Z 1 The corresponding receiver 21 is determined as the target receiver 21, and receives the data packet received by the target receiver 21.
In some examples, for example, if X 1 ＝X 2 And is X 1 、X 2 、X 3 …X n Maximum value of (a), then to Y 1 And Y is equal to 2 Comparing the sizes of (C) if Y 1 ＝Y 2 Then to Z 1 And Z is 2 Comparing the sizes of (3) if Z 1 ＝Z 2 The processor 22 randomly sends Z 1 And Z 2 The corresponding receiver 21 is determined as the target receiver 21, and receives the data packet received by the target receiver 21.
It should be noted that, in light of the above exemplary descriptions, those skilled in the art may adjust the order of comparison of the sizes of X, Y, Z according to the actual situation.
In some examples, the processor 22 may be configured to query other receivers 21 of the plurality of receivers 21 in a predetermined order and receive the missing data packets of the target receiver 21 from the other receivers 21 if the number of data packets received by the target receiver 21 is less than the number of data packets of the plurality of data packets of the image data processed by the processing module 12. Thereby, data can be more completely received.
For example, the number of data packets obtained by processing the image data by the processing module 12 is X, and the number of data packets received by the target receiver 21 is X 1 If X > X 1 The processor 22 may interrogate the other receivers 21 of the plurality of receivers 21 in a predetermined sequence and receive the data packets missing from the target receiver 21 from the other receivers 21.
In some examples, the predetermined order may be a random order. In some examples, the predetermined order may be in an order of distances of other receivers 21 from the target receiver 21. In some examples, the predetermined order may be in the order of the signal strengths of the first data packets received by the respective receivers 21. In some examples, the predetermined order may be in an order of the number of packets of each receiver 21. In some examples, the predetermined order may be in an order of the predetermined numbers of the respective receivers 21. Thus, a predetermined order can be conveniently formulated.
In some examples, the processor 22 may be configured to periodically interrogate the receiver 21 to confirm whether the receiver 21 has completed receiving the plurality of data packets. In some examples, the timing may be 50ms-2000ms. In some examples, the timing may be 50ms, 100ms, 200ms, 300ms, 400ms, 500ms, 600ms, 700ms, 800ms, 900ms, 1000ms, 1100ms, 1200ms, 1300ms, 1400ms, 1500ms, 1600ms, 1700ms, 1800ms, 1900ms, or 2000ms.
In some examples, processor 22 may be configured to cause receiver 21 to receive a plurality of data packets within a predetermined time. In some examples, the predetermined time may be 50ms-2000ms. In some examples, the predetermined time may be 50ms, 100ms, 200ms, 300ms, 400ms, 500ms, 600ms, 700ms, 800ms, 900ms, 1000ms, 1100ms, 1200ms, 1300ms, 1400ms, 1500ms, 1600ms, 1700ms, 1800ms, 1900ms, or 2000ms. Thereby, it can be easily confirmed whether or not the receiver 21 has completed receiving the data packet.
In some examples, processor 22 may include a data processor 221 and a display 222.
In some examples, the data processor 221 of the processor 22 may demodulate and restore the data packets received by the processor 22 into image data acquired by the capsule endoscope 1 within the digestive lumen 31.
In some examples, display 222 may display image data demodulated by data processor 221.
Fig. 7 is a schematic diagram showing a receiver 21 and a processor 22 with a host 23 therebetween according to an example of the present disclosure.
In some examples, the communication device 2 may also include a host 23. In some examples, the host 23 may be connected between the plurality of receivers 21 and the processor 22 (see fig. 7). In some examples, data packets received by the plurality of receivers 21 may be transmitted to the host 23 before being transmitted by the host to the processor 22. In some examples, host 23 may be a host of a desktop computer, or may be a specially-tailored computing device.
In some examples, host 23 may include a disk (not shown). In some examples, the storage of the host 23 may be provided with storage partitions (not shown) corresponding to the respective receivers 21. In some examples, the receiver 21 may directly transmit the data packet to the storage partition corresponding to the storage disk of the host 23 after receiving the data packet.
In some examples, host 23 may transmit the data packet in the inventory to processor 22 immediately, that is, host 23 may transmit the data packet directly to processor 22 after receiving the data packet. In some examples, after the receiver 21 receives the data packet, the data packet may be buffered in the buffer 212, and then the buffered multiple data packets of the image data may be transmitted to the processor 22 together.
Fig. 8 is a flow chart showing the communication device 2 according to the example of the present disclosure receiving data from the capsule endoscope 1. The following describes in detail the reception of data by the communication device 2 from the capsule endoscope 1 with reference to fig. 8.
In some examples, as shown in fig. 8, a process in which a doctor or the like acquires image data of the digestive lumen 31 of the subject 3 through the capsule endoscope 1 and receives the image data acquired by the capsule endoscope 1 through the communication device 2 may include the steps of:
the subject 3 can lie on the examination bed 4 under the guidance of the medical staff, and can introduce the capsule endoscope 1 into the digestive cavity 31 by oral administration (step S100).
The capsule endoscope 1 can take a picture in the digestive cavity 31 by the image pickup unit 111 of the acquisition module 11, and the illumination unit 112 can supply illumination light to the image pickup unit 111, thereby acquiring image data in the digestive cavity 31. The processing module 12 may process the image data into a plurality of data packets, which in some examples may include a header with first identifying information, a body with data information, a trailer with second identifying information, and a sequence number of the data packet. In some examples, the data packets may further include a total number of data packets obtained after the image data is processed (step S200).
The transmission module 13 of the capsule endoscope 1 can transmit a plurality of data packets to the plurality of receivers 21 of the communication device 2 by radio broadcasting. In some examples, the transmission module 13 may directly transmit the data packet processed by the processing module 12 to the receiver 21. In some examples, the data packets processed by the processing module 12 may be stored by the storage module 14, and then transmitted to the receiver 21 by the transmission module 13. In some examples, multiple receivers 21 (e.g., receiver 21a, receiver 21b, receiver 21c … receiver 21 n) may simultaneously communicate with the transmission module 13 and simultaneously receive data packets from the transmission module 13 (step S300).
After a predetermined time has elapsed, the processor 22 of the communication device 2 determines the target receiver 21 among the plurality of receivers 21. In some examples, the number of data packets received by the target receiver 21 may be no less than the number of data packets received by any of the other receivers 21. In some examples, the average value of the signal strengths of the data packets received by the target receiver 21 may be not less than the average value of the signal strengths of the data packets received by any of the other receivers 21. In some examples, if the number of data packets received by the target receiver 21 is less than the total number of data packets from which the image data is processed, the processor 22 may sequentially interrogate the other receivers 21 to receive the data packets missing from the target receiver 21. In some examples, the processor 22 may interrogate the other receivers 21 in a random order. In some examples, the processor 22 may interrogate the other receivers 21 in the order in which the signal strengths of the first data packets received by the receivers 21 are arranged, e.g., the other receivers 21 in the order from strong to weak signal strengths of the first data packets received by the receivers 21. In some examples, the processor 22 may interrogate the other receivers 21 in order of distance from the other receiver 21 to the target receiver 21 from the near to the far. In some examples, the interrogation of the receiver 21 by the processor 22 may also set the time (step S400).
The processor 22 demodulates the received data packet into an image and displays it (step S500).
According to the communication device 2 for receiving data of the capsule endoscope 1 of the present embodiment, the integrity of the data received from the capsule endoscope 1 can be improved.
While the disclosure has been described in detail in connection with the drawings and examples, it is to be understood that the foregoing description is not intended to limit the disclosure in any way. Modifications and variations of the present disclosure may be made as desired by those skilled in the art without departing from the true spirit and scope of the disclosure, and such modifications and variations fall within the scope of the disclosure.
Claims (10)
1. A communication device for receiving a data packet based on signal strength, which is the communication device for a capsule endoscope that is disposed in a digestive cavity of a human body and acquires image data in the digestive cavity, characterized in that the communication device comprises a plurality of receivers and a processor; the capsule endoscope processes the acquired image data into a plurality of data packets and sequentially transmits the plurality of data packets to the plurality of receivers; the plurality of receivers are used for receiving the plurality of data packets from the capsule endoscope and marking the received data packets with the signal intensity; the processor is communicatively coupled to the plurality of receivers and determines a destination receiver of the plurality of receivers based on the signal strengths of the data packets received by the respective receivers and receives the data packets received by the destination receiver, wherein the plurality of receivers are configured such that an average of the signal strengths of the data packets received by the destination receiver is not less than an average of the signal strengths of the data packets received by any of the other receivers.
2. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the signal strength is the signal strength of the packet as it arrives at the receiver.
3. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the signal strength of the first data packet received by the target receiver is not less than the signal strength of the first data packet received by any other receiver of the plurality of receivers.
4. A communication device according to claim 3, wherein,
when the maximum value of the signal intensity of the first data packet has two or more, the processor determines the target receiver according to the sequence number of the receivers.
5. A communication device according to claim 3 or 4, characterized in that,
the processor performs weighted average calculation on the maximum value of the average value of each receiver and the maximum value of the signal intensity of the first data packet, and determines the receiver corresponding to the calculated maximum value as the target receiver.
6. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the processor determines a receiver corresponding to a maximum value of average values of signal intensities of data packets received by the receiver as the target receiver, and when the maximum value of the average values has two or more, the processor determines the target receiver according to the sequence number of the receiver.
7. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the data packet comprises a packet head with first identification information, a packet body containing data information and a packet tail with second identification information, and the receiver judges the integrity of the data packet by identifying the first identification information and/or the second identification information.
8. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the receiver forwards the received data packets directly to the processor.
9. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the receiver has a buffer for buffering data packets.
10. The communication device of claim 1, wherein the communication device comprises a plurality of communication devices,
the number of the plurality of receivers is 2 to 20.
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| CN202010365972.6A CN113576370B (en) | 2020-04-30 | 2020-04-30 | Communication device for receiving data of capsule endoscope |
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| JP2003179640A (en) * | 2001-12-10 | 2003-06-27 | Nec Corp | Supplementing system and method for missing packet in broadcast communication |
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| JP5019589B2 (en) * | 2007-03-28 | 2012-09-05 | 富士フイルム株式会社 | Capsule endoscope, capsule endoscope system, and method for operating capsule endoscope |
| EP2173054A1 (en) * | 2008-10-06 | 2010-04-07 | Thomson Licensing | Method for receiving and transmitting data blocks |
| JP5046197B2 (en) * | 2009-11-27 | 2012-10-10 | 日本電気株式会社 | Communication apparatus, communication system, packet loss detection method, and packet loss detection program |
| CN101719774B (en) * | 2009-12-17 | 2013-09-25 | 东南大学 | Method for realizing Bluetooth serial port based on converged communication terminal |
| CN102025634B (en) * | 2010-12-16 | 2015-06-03 | 中兴通讯股份有限公司 | Management method and equipment of data packet cache |
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| WO2016140465A1 (en) * | 2015-03-04 | 2016-09-09 | 엘지전자(주) | Wireless power transmitter and receiver |
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| JP6464329B2 (en) * | 2016-12-07 | 2019-02-06 | オリンパス株式会社 | Endoscope system, receiving apparatus, workstation, setting method and program |
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