CN109429301B - Service search method, corresponding device and storage medium - Google Patents
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- 238000004590 computer program Methods 0.000 claims description 23
- 238000010295 mobile communication Methods 0.000 abstract description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The invention discloses a service searching method, corresponding equipment and a storage medium. The service searching method comprises the following steps: setting a wireless fidelity peripheral perception WiFi-Aware search broadcast for searching target services; broadcasting the WiFi-Aware search broadcast so that the forwarding equipment responds to a first WiFi Aware search reply broadcast when receiving a service broadcast matched with the target service, and forwards the WiFi Aware search broadcast when not receiving the service broadcast so as to acquire a second WiFi Aware search reply broadcast; receiving the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast. The present invention effectively increases the search range of services and can realize service search even without GPS and mobile communication network.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a service search method, a corresponding device, and a storage medium.
Background
With the development of technology, the WIreless Fidelity (WiFi) mode is increasingly used in the prior art to provide hot spot services, such as service stations, supermarkets, parking lots, and the like.
However, when the WiFi search service is used, the search range is fixed and small, and the user's requirements cannot be met, thereby reducing the user experience.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the technical problem to be solved by the present invention is to provide a service search method, a corresponding device and a storage medium, which are used to at least improve the search range of the service.
In order to solve the above technical problem, a service search method according to the present invention is used for a service request device, and includes:
setting a wireless fidelity peripheral perception WiFi-Aware search broadcast for searching target services;
broadcasting the WiFi-Aware search broadcast so that the forwarding equipment responds to a first WiFi Aware search reply broadcast when receiving a service broadcast matched with the target service, and forwards the WiFi Aware search broadcast when not receiving the service broadcast so as to acquire a second WiFi Aware search reply broadcast;
receiving the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast.
In order to solve the above technical problem, a service search method in the present invention is used for a forwarding device, and includes:
when receiving a wireless fidelity peripheral perception WiFi-Aware search broadcast for searching a target service, inquiring whether a service broadcast matched with the target service is received; if the first WiFi-Aware search reply broadcast is received, responding to the first WiFi-Aware search reply broadcast; if not, forwarding the WiFi-Aware search broadcast to obtain a second WiFi-Aware search reply broadcast;
broadcasting the second WiFi-Aware search reply broadcast upon receiving the second WiFi-Aware search reply broadcast.
In order to solve the technical problem, the service request device of the invention comprises a memory and a processor, wherein the memory stores a service search computer program; the processor executes the computer program to implement the steps of the method as described above for any one of the service request devices.
In order to solve the technical problem, the forwarding device of the present invention comprises a memory and a processor, wherein the memory stores a service search computer program; the processor executes the computer program to implement the steps of the method as described above for the forwarding device.
In order to solve the above technical problem, a computer-readable storage medium of the present invention stores a service search computer program for a service request device and/or stores a service search computer program for a forwarding device;
when executed by at least one processor, to implement the steps of the method as any one above for a service requesting device;
the service search computer program for a forwarding device, when executed by at least one processor, is adapted to implement the steps of the method as any one of the methods for a forwarding device.
The invention has the following beneficial effects:
the service search method, the corresponding device and the storage medium of the invention effectively improve the service search range and can realize the service search even under the condition of no GPS and no mobile communication network.
Drawings
FIG. 1 is a flowchart of a service search method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a WiFi-Aware search broadcast setup in an embodiment of the present invention;
FIG. 3 is a flowchart of a service searching method according to a second embodiment of the present invention;
FIG. 4 is a flowchart of a service searching method according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a service request device in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a forwarding device in an embodiment of the present invention.
Detailed Description
In order to solve the defects of the prior art, the present invention provides a service search method, a corresponding device and a storage medium, and the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The use of prefixes such as "first," "second," etc. to distinguish between elements is merely intended to facilitate the description of the invention and has no particular meaning in and of themselves.
Example one
As shown in fig. 1, an embodiment of the present invention provides a service search method, where the method is used for a service request device, and includes:
s10, setting a WiFi-Aware search broadcast of the wireless fidelity peripheral perception for searching target services;
s11, broadcasting the WiFi-Aware search broadcast, so that when receiving the service broadcast matched with the target service, the forwarding device responds to the first WiFi Aware search reply broadcast, and when not receiving the service broadcast, the forwarding device forwards the WiFi Aware search broadcast to acquire a second WiFi Aware search reply broadcast;
s12, receiving the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast.
The service request device in the embodiment of the present invention is specifically a device configured with WiFi-Aware, and may be a mobile terminal, such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, an intelligent bracelet, a pedometer, and the like.
A service request device in an embodiment of the present invention generally refers to a device that requests a search service.
The destination service in the embodiment of the invention refers to a service which needs to be inquired, such as services of oil filling, parking lots, supermarkets and the like.
The embodiment of the invention sets and broadcasts the WiFi-Aware search broadcast, so that the forwarding equipment responds to a first WiFi Aware search reply broadcast when receiving the service broadcast matched with the target service, and forwards the WiFi Aware search broadcast when not receiving the service broadcast so as to obtain a second WiFi Aware search reply broadcast; therefore, the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast is received to acquire the information of the target service, the search range of the service is effectively improved compared with the WiFi search service, and the service search can be realized even under the condition without a GPS and a mobile communication network.
On the basis of the above embodiment, a modification of the above embodiment is further proposed.
In this embodiment of the present invention, optionally, the setting of the WiFi-Aware search broadcast for search purpose service in WiFi-Aware peripheral includes:
setting a WiFi-Aware broadcast according to a preset search broadcast format to generate the WiFi-Aware search broadcast; the search broadcast format includes at least the following information: broadcast identification, broadcast type, characteristics of the destination service, current forwarding times and maximum forwarding times.
In this embodiment of the present invention, optionally, the broadcast identifier is any one of: the MAC address of the service request equipment, the user identification card number of the service request equipment, the international mobile equipment identity code of the service request equipment and a random code;
the broadcast type is a service search type; the current forwarding number is a preset initial value, such as 0, 1, and so on.
Wherein the random code can be generated according to a preset generation rule. A random code generated, for example, from the MAC address of the service request device, the user id card number of the service request device, the international mobile equipment id of the service request device, and the like; or a random code generated from search contents or the like.
In this embodiment of the present invention, optionally, the method further includes:
and setting the maximum forwarding times according to the size of the service search range.
The embodiment of the invention effectively improves the searching range of the service. For example, if the effective propagation distance of a WiFi-Aware broadcast is around 10 meters, if the maximum number of hops is set to 50, then services within 500 meters can be searched.
In this embodiment of the present invention, optionally, the receiving the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast includes:
receiving a WiFi-Aware broadcast;
analyzing a broadcast identifier, a broadcast type and the current forwarding times from the received WiFi-Aware broadcast;
when the received WiFi-Aware broadcast is of a search reply type, taking the received WiFi-Aware broadcast as a WiFi-Aware search reply broadcast;
judging whether the analyzed broadcast identifier and the current forwarding times are respectively consistent with the broadcast identifier and the current forwarding times set in the WiFi-Aware search broadcast;
in the case of agreement, the WiFi-Aware search reply broadcast is acquired.
The setup in which the WiFi-Aware search broadcast may be in the manner shown in fig. 2.
Example two
As shown in fig. 3, an embodiment of the present invention provides a service search method, where the method is used for a forwarding device, and includes:
s20, when receiving a WiFi-Aware search broadcast for searching a target service, inquiring whether a service broadcast matched with the target service is received; if the first WiFi-Aware search reply broadcast is received, responding to the first WiFi-Aware search reply broadcast; if not, forwarding the WiFi-Aware search broadcast to obtain a second WiFi-Aware search reply broadcast;
s21, when the second WiFi-Aware search reply broadcast is received, broadcasting the second WiFi-Aware search reply broadcast.
The forwarding device in the embodiment of the present invention is specifically a device configured with WiFi-Aware, and may be a mobile terminal, such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, an intelligent bracelet, a pedometer, and the like.
The embodiment of the invention effectively increases the searching range of the service, and can realize the service searching even under the condition of no GPS and no mobile communication network.
On the basis of the above embodiment, a modification of the above embodiment is further proposed.
In this embodiment of the present invention, optionally, the WiFi-Aware search broadcast carries at least the following information: broadcast identification, broadcast type, characteristics of the destination service, current forwarding times and maximum forwarding times.
In this embodiment of the present invention, optionally, when receiving a WiFi-Aware search broadcast for searching for a target service, querying whether a service broadcast matching the target service is received includes:
and when the WiFi-Aware search broadcast is received, if the WiFi-Aware search broadcast is determined to be received for the first time according to a broadcast identifier carried by the WiFi-Aware search broadcast, inquiring whether a service broadcast matched with the target service is received.
In this embodiment of the present invention, optionally, the querying whether the service broadcast matching the destination service has been received includes:
and inquiring whether the service broadcast containing the characteristics of the target service is received or not according to the characteristics of the target service carried by the WiFi-Aware search broadcast.
In this embodiment of the present invention, optionally, the responding to the first WiFi-Aware search reply broadcast includes:
setting a WiFi-Aware broadcast according to a preset reply broadcast format to generate a first WiFi-Aware search reply broadcast; the reply broadcast format includes at least the following information: broadcast identification, broadcast type, information of destination service and current forwarding times.
The information of the destination service may include location information, distance information, service content information, and the like of the destination service.
Further, the broadcast identifier is any one of: the MAC address of the service request equipment, the user identity identification card of the service request equipment and the international mobile equipment identity code of the service request equipment;
the broadcast type is a search reply type; and the current forwarding times are the current forwarding times carried in the WiFi-Aware search broadcast.
In this embodiment of the present invention, optionally, the forwarding the WiFi-Aware search broadcast includes:
updating the WiFi-Aware search broadcast, and broadcasting the updated WiFi-Aware search broadcast; and updating the WiFi-Aware search broadcast in a manner of adding 1 to the current forwarding times carried in the WiFi-Aware search broadcast.
Further, the updating the WiFi-Aware search broadcast includes:
judging whether the current forwarding times carried by the WiFi-Aware search broadcast are greater than the maximum forwarding times or not;
and when the current time is not greater than the preset time, updating the WiFi-Aware search broadcast.
In this embodiment of the present invention, optionally, the broadcasting the second WiFi-Aware search reply broadcast when the second WiFi-Aware search reply broadcast is received includes:
when the second WiFi-Aware search reply broadcast is received, determining whether the corresponding WiFi-Aware search broadcast is forwarded or not according to the broadcast identifier and the current forwarding times carried by the second WiFi-Aware search reply broadcast;
and if the forwarding is determined, broadcasting the second WiFi-Aware search reply broadcast.
Further, the broadcasting the second WiFi-Aware search reply broadcast includes:
updating the second WiFi-Aware search reply broadcast, and broadcasting the updated second WiFi-Aware search reply broadcast; and updating the second WiFi-Aware search reply broadcast in a manner of reducing the current forwarding times carried by the second WiFi-Aware search reply broadcast by 1.
EXAMPLE III
The embodiment of the present invention provides an optional embodiment, which is used to describe in detail a detailed interaction flow between the service request device adopting the method in the first embodiment and the forwarding device adopting the method in the second embodiment.
In the embodiment of the invention, the Wifi-Aware equipment A is set as service request equipment, and the Wifi-Aware equipment B is set as forwarding equipment.
The embodiment of the invention manages and controls the service search by defining the formats of the WiFi-Aware search broadcast (simply referred to as search broadcast) and the WiFi-Aware search reply broadcast (simply referred to as reply broadcast), thereby realizing the search service and the reply search broadcast in a wider range.
The Wifi-Aware device A sends the broadcast with the characteristics of search service type, maximum forwarding number N, current forwarding number N of 0 and target service of broadcast content.
Using the MAC address of the device A or the SIM card number or the IMEI number of the mobile phone as the broadcast identification ID, and other WiFi Aware devices receiving the broadcast point search whether the broadcast with the same broadcast identification ID is processed in the stored search service broadcast processed in the T1 time period, if not, further judging whether the device B receives the service broadcast which meets the characteristics in the T2 time period. If yes, forwarding the received broadcast which accords with the characteristics, wherein the broadcast type is a search reply type, and the current forwarding times and the broadcast identification ID are consistent with the data carried in the received WiFi-Aware search broadcast. And if not, taking the current forwarding times n +1 as new forwarding times, keeping other contents unchanged, and forwarding the WiFi-Aware search broadcast.
By the embodiment of the invention, the user can search the surrounding and a wider range of services in a less familiar place, such as on business trip or on travel to other places. Such as gas stations, supermarkets, parking lots, etc., within a range of about 1000 meters (the search range is controlled by controlling the maximum forwarding times).
The specific process is shown in fig. 4, and includes:
In step 203, it is searched whether the broadcast with the same broadcast identification ID has been processed in the WiFi-Aware search broadcast list processed within the saved preset T1 time period. If not, go to step 204; if so, go to step 205.
The broadcast is ignored, step 204.
This broadcast is added to the processed WiFi-Aware search broadcast list, step 205.
And step 206, judging whether the Wifi-Aware device B receives the service broadcast which conforms to the characteristics within a preset time period T2 according to the characteristics of the target service. If yes, go to step 207; if not, go to step 208.
And step 207, forwarding the received broadcast which conforms to the characteristics, wherein the broadcast type is a search reply type, and the current forwarding times and the broadcast identification ID are consistent with the data carried in the received WiFi-Aware search broadcast.
And step 209, taking the current forwarding frequency n +1 as a new forwarding frequency, and forwarding the search broadcast when other contents are unchanged.
In step 211, whether the broadcast with the consistent broadcast identification ID and forwarding times is processed or not is searched in the WiFi-Aware search reply broadcast list processed within the saved preset time period of T3. If not, go to step 204; if yes, go to step 212.
This broadcast is added to the list of processed reply search broadcasts, step 212.
In step 214, the Wifi-Aware device a receives the reply broadcast of the search service broadcast correspondingly sent.
Example four
As shown in fig. 5, an embodiment of the present invention provides a service request apparatus, which includes a memory 30 and a processor 31, where the memory 30 stores a service search computer program; the processor 31 executes the computer program to implement the steps of the method according to any of the embodiments.
EXAMPLE five
As shown in fig. 6, an embodiment of the present invention provides a forwarding device, which includes a memory 40 and a processor 41, where the memory 40 stores a service search computer program; the processor 41 executes the computer program to implement the steps of the method according to any of the second embodiment.
EXAMPLE six
An embodiment of the present invention provides a computer-readable storage medium storing a service search computer program for a service request device and/or storing a service search computer program for a forwarding device;
when executed by at least one processor, the service search computer program for a service request device is adapted to carry out the steps of the method according to any one of the embodiments;
the service search computer program for a forwarding device, when executed by at least one processor, is adapted to carry out the steps of the method according to any of the second embodiments.
Computer-readable storage media in embodiments of the invention may be RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage media known in the art. A storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium; or the storage medium may be integral to the processor. The processor and the storage medium may reside in an application specific integrated circuit.
It should be noted that, in the specific implementation, reference may be made to the first embodiment, the second embodiment and the third embodiment, and the fourth embodiment, the fifth embodiment and the sixth embodiment also have corresponding technical effects.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (12)
1. A service search method for a service request device, comprising:
setting a wireless fidelity peripheral perception WiFi-Aware search broadcast for searching target services;
broadcasting the WiFi-Aware search broadcast so that the forwarding equipment responds to a first WiFi Aware search reply broadcast when receiving a service broadcast matched with the target service, and forwards the WiFi Aware search broadcast when not receiving the service broadcast so as to acquire a second WiFi Aware search reply broadcast;
receiving the first WiFi-Aware search reply broadcast or the second WiFi-Aware search reply broadcast;
the set of WiFi-Aware neighbor search broadcasts for search purpose services includes:
setting a WiFi-Aware broadcast according to a preset search broadcast format to generate the WiFi-Aware search broadcast; the search broadcast format includes at least the following information: broadcast identification, broadcast type, characteristics of target service, current forwarding times and maximum forwarding times;
the method further comprises the following steps:
and when the user is in an unfamiliar place, expanding the service search range by setting the maximum forwarding times.
2. The method of claim 1, wherein the broadcast identification is any one of: the MAC address of the service request equipment, the user identification card number of the service request equipment, the international mobile equipment identity code and the random code of the service request equipment;
the broadcast type is a service search type.
3. A service search method, for a forwarding device, comprising:
when receiving a wireless fidelity peripheral perception WiFi-Aware search broadcast for searching a target service, inquiring whether a service broadcast matched with the target service is received; if the first WiFi-Aware search reply broadcast is received, responding to the first WiFi-Aware search reply broadcast; if not, forwarding the WiFi-Aware search broadcast to obtain a second WiFi-Aware search reply broadcast;
upon receiving the second WiFi-Aware search reply broadcast, broadcasting the second WiFi-Aware search reply broadcast;
the forwarding the WiFi-Aware search broadcast comprises:
updating the WiFi-Aware search broadcast, and broadcasting the updated WiFi-Aware search broadcast; wherein the mode for updating the WiFi-Aware search broadcast is that the current forwarding times carried in the WiFi-Aware search broadcast is added by 1;
the updating the WiFi-Aware search broadcast comprises:
judging whether the current forwarding times carried by the WiFi-Aware search broadcast are greater than the maximum forwarding times or not;
when not greater than, updating the WiFi-Aware search broadcast;
the setting of the maximum forwarding number comprises:
and when the user is in an unfamiliar place, expanding the service search range by setting the maximum forwarding times.
4. The method of claim 3, wherein querying whether a service broadcast matching a destination service has been received upon receiving a WiFi-Aware neighbor search broadcast for the destination service comprises:
and when the WiFi-Aware search broadcast is received, if the WiFi-Aware search broadcast is determined to be received for the first time according to a broadcast identifier carried by the WiFi-Aware search broadcast, inquiring whether a service broadcast matched with the target service is received.
5. The method of claim 3, wherein the querying whether the service broadcast matching the destination service was received comprises:
and inquiring whether the service broadcast containing the characteristics of the target service is received or not according to the characteristics of the target service carried by the WiFi-Aware search broadcast.
6. The method as recited in claim 5, wherein the responding to the first WiFi-Aware search reply broadcast comprises:
setting a WiFi-Aware broadcast according to a preset reply broadcast format to generate a first WiFi-Aware search reply broadcast; the reply broadcast format includes at least the following information: broadcast identification, broadcast type, information of destination service and current forwarding times.
7. The method of claim 6, wherein the broadcast identification is any one of: the MAC address of the service request equipment, the user identity identification card of the service request equipment and the international mobile equipment identity code of the service request equipment;
the broadcast type is a search reply type; and the current forwarding times are the current forwarding times carried in the WiFi-Aware search broadcast.
8. A method as any one of claims 4-7 recites, wherein said broadcasting the second WiFi-Aware search reply broadcast upon receiving the second WiFi-Aware search reply broadcast, comprises:
when the second WiFi-Aware search reply broadcast is received, determining whether the corresponding WiFi-Aware search broadcast is forwarded or not according to the broadcast identifier and the current forwarding times carried by the second WiFi-Aware search reply broadcast;
and if the forwarding is determined, broadcasting the second WiFi-Aware search reply broadcast.
9. The method as recited in claim 8, wherein said broadcasting the second WiFi-Aware search reply broadcast comprises:
updating the second WiFi-Aware search reply broadcast, and broadcasting the updated second WiFi-Aware search reply broadcast; and updating the second WiFi-Aware search reply broadcast in a manner of reducing the current forwarding times carried by the second WiFi-Aware search reply broadcast by 1.
10. A service request device, characterized in that the service request device comprises a memory and a processor, the memory storing a service search computer program; the processor executes the computer program to implement the steps of the method according to any of claims 1-2.
11. A forwarding device comprising a memory and a processor, the memory storing a service search computer program; the processor executes the computer program to implement the steps of the method according to any of claims 3-9.
12. A computer-readable storage medium, characterized in that the storage medium stores a service search computer program for a service requesting device and/or stores a service search computer program for a forwarding device;
the service search computer program for a service request device, when executed by at least one processor, for implementing the steps of the method of any one of claims 1-2;
the service search computer program for a forwarding device, when executed by at least one processor, for implementing the steps of the method according to any one of claims 3 to 10.
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| CN113453302B (en) * | 2021-08-31 | 2021-11-16 | 伏诺瓦(天津)科技有限公司 | Ad hoc network power wireless LoRa communication method, device, system and storage medium |
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