CN101355724B - Method and apparatus for reducing information transmission conflict in mobile communication system - Google Patents
Method and apparatus for reducing information transmission conflict in mobile communication system Download PDFInfo
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- CN101355724B CN101355724B CN2007101363854A CN200710136385A CN101355724B CN 101355724 B CN101355724 B CN 101355724B CN 2007101363854 A CN2007101363854 A CN 2007101363854A CN 200710136385 A CN200710136385 A CN 200710136385A CN 101355724 B CN101355724 B CN 101355724B
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Abstract
The invention discloses a method and a device for reducing the message sending conflict in a mobile communication system. The method comprises the following steps: (1) parameters competing to send a message request on a share resource are set for a group; and (2) each user who needs to send the message in the group combines the respective priority to obtain the random sending time on the share resource according to the parameters. The device comprises a time setting unit and a control sending unit, wherein the time setting unit is used for setting the corresponding sending time of the message request for the connection of each user in the group and transmitting the sending time to the control sending unit; and the control sending unit is used for controlling the corresponding user connection to send the message sending request at the set sending time. The method and the device relieve the sending conflict problem of the communication system on the share resource on the precondition of not additionally adding the interference to other users and adjacent areas.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to the method and apparatus that reduces information transmission conflict in a kind of GSM.
Background technology
In GSM, the most valuable resource is exactly aerial bandwidth resources.On the transmit mechanism of handling some shocking flash; The mode that the GSM of various standards is handled is different, such as some system of time division way, sends the control information that happens suddenly for time slot of control channel fixed allocation of each user; No matter whether this user has information to send; This time slot all can not be distributed to other users and use, and like this, just causes very big waste.In CDMA (code division multiple access) system, system distributes same resource for the user of same sub-district, uses jointly with community user, can effectively practice thrift the resource of distributing into shocking flash like this.If but there are two or above simultaneously with community user or when the user will send message on the same group, can cause the conflict of message.In cdma system; If certain user causes the transmission message failure because send shocking flash simultaneously with other user; Then can calculate delivery time in addition according to the parameter of configuration sends once more; And along with sending increasing progressively of number of times, transmitted power also can increase, and increases to the maximum of a setting up to power.This be because CDMA be one from the interference system, in the poor zone of channel condition, increase the message transmitted power and can increase message and send probability of successful.
But in some other system, the interference of adjacent area can not the correlation through pseudo noise code in the cdma system effectively suppress, and the increase of power might not to send success rate effective to improving, and can cause the waste of resource on the contrary and to other users' interference.The present invention proposes a kind of method of sending conflict that reduces, can under the prerequisite of not extra increase, alleviate the transmission collision problem of communication system on shared resource greatly other users' interference and adjacent area interference.
Summary of the invention
Technical problem to be solved by this invention is to provide the method and apparatus that reduces information transmission conflict in a kind of GSM; Under the prerequisite of not extra increase, alleviate the transmission collision problem of communication system on shared resource to other users' interference and adjacent area interference.
In order to address the above problem, the invention provides the method that reduces information transmission conflict in a kind of GSM, may further comprise the steps:
(1) for being arranged on, group competes the parameter of sending message request on the shared resource;
(2) need to send priority acquisition the at random delivery time on shared resource of each user of message in the group according to said parameter combination self.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, step (2) further comprises: if the transmission of user on shared resource clashes, then reselecting at random, delivery time sends message.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, in step (1), initial delay is set sends periodicity and maximum delay transmission periodicity; In step (2), the priority that the user sends periodicity and user according to initial delay calculated with reference to the delayed delivery cycle, and 0 and with reference to the delayed delivery cycle between delayed delivery cycle through this user of random algorithm generation; After waiting for several send opportunity of said delayed delivery cycle, the user sends message on group's resources shared.
Reduce the method for information transmission conflict in the GSM of the present invention; Wherein, In step (1), initial delay is set sends periodicity, the priority parameters that is connected with the user according to said initial delay transmission periodicity is provided with said with reference to the delayed delivery periodicity; It is 0 transmission number of attempt, maximum number of attempt and the maximum delay transmission periodicity of sending that initial value is set.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, in step (2), more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0, in the shared resource transmission message of present frame.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, in step (2), the user connects message of every transmission, and the value of said transmission number of attempt is added 1; Start the timer wait-for-response; When timer was received response then, then message is sent successfully, finishes transmission flow.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, in step (2); If do not receive response before then at timer, judge whether send number of attempt sends number of attempt greater than maximum, when greater than the time; Message is sent failure, finishes transmission flow.
Reduce the method for information transmission conflict in the GSM of the present invention; Wherein, In step (2), when send number of attempt be less than or equal to maximum when sending number of attempt, judge with reference to 2 times of the delayed delivery periodicity whether greater than maximum with reference to the delayed delivery periodicity; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
Reduce the method for information transmission conflict in the GSM of the present invention, wherein, it is characterized in that said shared resource is a carrier resource, said message is carrier resource applying message.
The invention provides in a kind of GSM the device that reduces information transmission conflict, said device comprises that the time is provided with unit and control transmitting element, wherein:
Time is provided with the unit, and each user who is used to group connects the transmitting time that corresponding message request is set, and said transmitting time is sent to the control transmitting element;
The control transmitting element is used in set transmitting time, and the corresponding user of control connects the transmission message send request.
Reduce the device of information transmission conflict in the GSM of the present invention; Wherein, Time is provided with the unit and also is used for when the transmission of user on shared resource clashes, and for the user connects transmitting time is set again, and said transmitting time is sent to the control transmitting element.
Reduce the device of information transmission conflict in the GSM of the present invention; Wherein, be provided with in the unit, set in advance with reference to the delayed delivery periodicity in the time; And 0 and with reference to the delayed delivery periodicity between, produce a delayed delivery periodicity at random for each user of group connects; After waiting for several send opportunity of said delayed delivery cycle, the corresponding user of control transmitting element control connects transmission message.
Reduce the device of information transmission conflict in the GSM of the present invention; Wherein, Be provided with in the unit in the time, initial delay be set send periodicity, the priority parameters that is connected with the user according to said initial delay transmission periodicity is provided with said with reference to the delayed delivery periodicity.
Reduce the device of information transmission conflict in the GSM of the present invention, wherein, be provided with in the unit in the time, more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0.
Reduce the device of information transmission conflict in the GSM of the present invention, wherein, be provided with in the unit in the time, initial value is set is 0 transmission number of attempt, the user connects message of every transmission, and the value of said transmission number of attempt is added 1; Start timer and wait for the response of base station; When timer was received the response of base station then, then message is sent successfully, finishes transmission flow.
Reduce the device of information transmission conflict in the GSM of the present invention, wherein, be provided with in the unit in the time; The maximum number of attempt that sends is set; If do not receive the response of base station before then at timer, judge whether send number of attempt sends number of attempt greater than maximum, when greater than the time; Message is sent failure, finishes transmission flow.
Reduce the device of information transmission conflict in the GSM of the present invention; Wherein, Be provided with in the unit in the time; Maximum delay is set sends periodicity, be less than or equal to maximumly when sending number of attempt, judge whether 2 times with reference to the delayed delivery periodicity send periodicity greater than maximum delay when sending number of attempt; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
Reduce the device of information transmission conflict in the GSM of the present invention, wherein, said shared resource is a carrier resource, and said message is carrier resource applying message.
Adopt method and apparatus of the present invention, compared with prior art, under the prerequisite of not extra increase, alleviate the transmission collision problem of communication system on shared resource other users' interference and adjacent area interference.
Description of drawings
Fig. 1 is the operational flowchart of a kind of practical implementation of the method for the invention;
Fig. 2 is the operational flowchart of the another kind of practical implementation of the method for the invention;
Fig. 3 is the structure chart of device according to the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists; Further set forth the method and apparatus that reduces information transmission conflict in a kind of GSM of the present invention through following examples; Below embodiment is described in detail, but not as to qualification of the present invention.
As shown in Figure 1, a kind of practical implementation operational flowchart of the method for the invention.
According to a kind of embodiment, in step 11, initial delay is set sends periodicity and maximum delay transmission periodicity; In step 12, the priority that the user sends periodicity and user according to initial delay calculated with reference to the delayed delivery cycle, and 0 and with reference to the delayed delivery cycle between delayed delivery cycle through this user of random algorithm generation; After waiting for several send opportunity of said delayed delivery cycle, the user sends message on group's resources shared.
According to a kind of embodiment, in step 11, initial delay is set sends periodicity, the priority parameters that is connected with the user according to said initial delay transmission periodicity is provided with said with reference to the delayed delivery periodicity; It is 0 transmission number of attempt, maximum number of attempt and the maximum delay transmission periodicity of sending that initial value is set.
In step 12, more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0, and the shared resource that is illustrated in present frame sends message.
In step 12, the user connects message of every transmission, and the value of said transmission number of attempt is added 1; Start the timer wait-for-response; When timer was received response then, then message is sent successfully, finishes transmission flow.
In step 11, if do not receive response before then, judge whether send number of attempt sends number of attempt greater than maximum at timer, when greater than the time, message is sent failure, finishes transmission flow.
In step 12, when send number of attempt be less than or equal to maximum when sending number of attempt, judge with reference to 2 times of the delayed delivery periodicity whether greater than maximum with reference to the delayed delivery periodicity; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
As shown in Figure 2, the another kind of practical implementation operational flowchart of the method for the invention, in this embodiment, the method for the invention is applied to send conflict based on the reduction carrier resource applying of OFDM (OFDM).
Step 21, base station are provided with group's carrier resource applying transmitting time parameter, and send to the user;
Said group carrier resource applying transmitting time parameter comprises: initial delay is sent periodicity in, and is maximum with reference to delayed delivery periodicity max-n and the maximum number of attempt max-m that sends;
Step 22 is provided with initial value and is 0 transmission number of attempt, and is provided with reference to delayed delivery periodicity kn with initial delay transmission periodicity in according to QoS (service quality) the priority parameters p (0＜p＜P, P are greatest priority) that business connects; If initial delay is sent periodicity in greater than priority parameters p, with reference to delayed delivery periodicity kn=in-p; Otherwise, with reference to delayed delivery periodicity kn=0;
Step 23, when the user who belongs to a group group connects needs and sends the carrier resource applying request, 0 and with reference to delayed delivery periodicity kn between produce a delayed delivery periodicity n at random;
Step 24, behind a waiting n send opportunity, this user connects the transmission carrier resource applying; After the user sends carrier resource applying, send number of attempt m and add 1, start the response that timer is waited for the base station;
Step 25 judges whether to receive then at timer the response of base station; When timer was received the response of base station then, go to step 26; Otherwise, go to step 27;
Step 26, carrier resource applying are sent successfully, finish transmission flow;
Step 27, timer then after, judge to send number of attempt m and whether send number of attempt max-m greater than maximum; If go to step 28; Otherwise, go to step 29;
Step 28, carrier resource applying sends failure, finishes transmission flow;
Whether step 29 is judged with reference to delayed delivery periodicity kn * 2 greater than maximum with reference to delayed delivery periodicity max-n; If go to 210; Otherwise, go to 211;
Step 210 is set to maximumly with reference to delayed delivery periodicity max-n with reference to the value of delayed delivery periodicity kn, go to step 23;
Step 211 is set to kn * 2 with reference to the value of delayed delivery periodicity kn, goes to step 23.
As shown in Figure 3, a kind of practical implementation structure chart of device according to the invention, said device comprise that the time is provided with unit 31 and control transmitting element 32, wherein:
Time is provided with unit 31, and each user who is used to group connects the transmitting time that corresponding message request is set, and said transmitting time is sent to control transmitting element 32; When the transmission of user on shared resource clashes, for the user connects transmitting time is set again, and said transmitting time is sent to control transmitting element 32;
According to a kind of embodiment, be provided with in the unit 31 in the time, be provided with in advance with reference to the delayed delivery periodicity, and 0 and with reference to the delayed delivery periodicity between, produce a delayed delivery periodicity at random for each user of group connects; After waiting for several send opportunity of said delayed delivery cycle, the corresponding user of control transmitting element 32 controls connects transmission message.
According to a kind of embodiment, be provided with in the unit 31 in the time, initial delay is set sends periodicity, send the priority parameters that periodicity is connected with the user according to said initial delay and be provided with said with reference to the delayed delivery periodicity.
According to a kind of embodiment, be provided with in the unit 31 in the time, more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0.
Based on a kind of specific embodiment, be provided with in the unit 31 in the time, initial value be set be 0 transmission number of attempt, the user connects message of every transmission, and the value of said transmission number of attempt is added 1; Start timer and wait for the response of base station; When timer was received the response of base station then, then message is sent successfully, finishes transmission flow.
Based on a kind of specific embodiment, be provided with in the unit 31 in the time, the maximum number of attempt that sends is set; If do not receive the response of base station before then at timer, judge whether send number of attempt sends number of attempt greater than maximum, when greater than the time; Message is sent failure, finishes transmission flow.
According to a kind of embodiment; Be provided with in the unit 31 in the time; Maximum delay is set sends periodicity, be less than or equal to maximumly when sending number of attempt, judge whether 2 times with reference to the delayed delivery periodicity send periodicity greater than maximum delay when sending number of attempt; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
The described method and apparatus of the embodiment of the invention can be applied to send conflict based on the reduction carrier resource applying of OFDM (OFDM), and said message is carrier resource applying message, and said shared resource is a carrier resource.At this moment, the said device of the embodiment of the invention comprises:
Time is provided with unit 31, and each user who is used to group connects the transmitting time that corresponding carrier resource applying request is set, and said transmitting time is sent to control transmitting element 32;
Control transmitting element 32 is used in set transmitting time, and the corresponding user of control connects the carrier resource applying transmission request of sending.
The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and modification according to the present invention, but these corresponding changes and modification all should belong to the protection range of the appended claim of the present invention.
Claims (15)
1. reduce the method for information transmission conflict in the GSM, it is characterized in that, may further comprise the steps:
(1) for being arranged on, group competes the parameter of sending message request on the shared resource;
(2) need to send priority acquisition the at random delivery time on shared resource of each user of message request in the group according to said parameter combination self;
In step (1), initial delay is set sends periodicity; In step (2), the priority that the user sends periodicity and user according to initial delay calculates with reference to the delayed delivery periodicity, and 0 and with reference to the delayed delivery periodicity between delayed delivery periodicity through this user of random algorithm generation; After waiting for several send opportunity of said delayed delivery cycle, the user sends message request on group's resources shared.
2. method according to claim 1 is characterized in that, step (2) further comprises: if the transmission of user on shared resource clashes, then reselecting at random, delivery time sends message request.
3. method according to claim 1 is characterized in that, in step (1), it is 0 transmission number of attempt, maximum number of attempt and the maximum delay transmission periodicity of sending that initial value is set.
4. method according to claim 3 is characterized in that, in step (2), more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0, in the shared resource transmission message request of present frame.
5. method according to claim 4 is characterized in that, in step (2), the user connects message request of every transmission, and the value of said transmission number of attempt is added 1; Start the timer wait-for-response; When timer was received response then, then message request is sent successfully, finishes transmission flow.
6. method according to claim 5 is characterized in that, in step (2); If do not receive response before then at timer, judge whether send number of attempt sends number of attempt greater than maximum, when greater than the time; Message request is sent failure, finishes transmission flow.
7. method according to claim 6 is characterized in that, in step (2), is less than or equal to maximumly when sending number of attempt when sending number of attempt, judges whether 2 times with reference to the delayed delivery periodicity send periodicity greater than maximum delay; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
8. according to the described method of arbitrary claim in the claim 1 to 7, it is characterized in that said shared resource is a carrier resource, said message request is the carrier resource applying message request.
9. reduce the device of information transmission conflict in the GSM, it is characterized in that, said device comprises that the time is provided with unit and control transmitting element, wherein:
Time is provided with the unit, and each user who is used to group connects the transmitting time that corresponding message request is set, and said transmitting time is sent to the control transmitting element;
The control transmitting element is used in set transmitting time, and the corresponding user of control connects the transmission message request;
Wherein, Be provided with in the unit in the time; Initial delay is set sends periodicity; Send the priority parameters that periodicity is connected with the user based on said initial delay and be provided with reference to the delayed delivery periodicity, and 0 and with reference to the delayed delivery periodicity between, for each user's connection of group produces a delayed delivery periodicity at random; After waiting for several send opportunity of said delayed delivery cycle, the corresponding user of control transmitting element control connects the transmission message request.
10. device according to claim 9 is characterized in that, the time is provided with the unit and also is used for when the transmission of user on shared resource clashes, and for the user connects transmitting time is set again, and said transmitting time is sent to the control transmitting element.
11. device according to claim 9 is characterized in that, is provided with in the unit in the time, more said initial delay is sent periodicity and said priority parameters; When initial delayed delivery periodicity＞priority parameters, being provided with reference to the delayed delivery periodicity is the difference that initial delay is sent periodicity and priority parameters; Otherwise being provided with reference to the delayed delivery periodicity is 0.
12., it is characterized in that based on the described device of claim 11, be provided with in the unit in the time, initial value be set be 0 transmission number of attempt, the user connects message request of every transmission, and the value of said transmission number of attempt is added 1; Start timer and wait for the response of base station; When timer was received the response of base station then, then message request is sent successfully, finishes transmission flow.
13. based on the described device of claim 12, it is characterized in that, be provided with in the unit in the time; The maximum number of attempt that sends is set; If do not receive the response of base station before then at timer, judge whether send number of attempt sends number of attempt greater than maximum, when greater than the time; Message request is sent failure, finishes transmission flow.
14. device according to claim 13; It is characterized in that, be provided with in the unit, maximum delay is set sends periodicity in the time; Be less than or equal to maximumly when sending number of attempt when sending number of attempt, judge whether 2 times with reference to the delayed delivery periodicity send periodicity greater than maximum delay; When greater than the time, be set to maximum delay with reference to the delayed delivery periodicity and send periodicity; Otherwise, be set to current 2 times with reference to the delayed delivery periodicity with reference to the delayed delivery periodicity.
15. device according to claim 10 is characterized in that, said shared resource is a carrier resource, and said message request is the carrier resource applying message request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101363854A CN101355724B (en) | 2007-07-26 | 2007-07-26 | Method and apparatus for reducing information transmission conflict in mobile communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101363854A CN101355724B (en) | 2007-07-26 | 2007-07-26 | Method and apparatus for reducing information transmission conflict in mobile communication system |
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| Publication Number | Publication Date |
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| CN101355724A CN101355724A (en) | 2009-01-28 |
| CN101355724B true CN101355724B (en) | 2012-04-18 |
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| CN2007101363854A Expired - Fee Related CN101355724B (en) | 2007-07-26 | 2007-07-26 | Method and apparatus for reducing information transmission conflict in mobile communication system |
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| JP5505771B2 (en) * | 2009-10-09 | 2014-05-28 | コニカミノルタ株式会社 | Management system, managed device, and management method |
| MX2016007306A (en) * | 2013-12-06 | 2016-08-04 | Fujitsu Ltd | Method and apparatus for sending d2d discovery signal, and communications system. |
| CN106455000B (en) * | 2015-08-10 | 2019-12-31 | 上海诺基亚贝尔股份有限公司 | Method and device for realizing uplink access |
| US10952031B2 (en) * | 2016-05-20 | 2021-03-16 | Huawei Technologies Co., Ltd. | Licensed-assisted user equipment cooperation in unlicensed sidelink |
| CN110063841A (en) * | 2019-03-27 | 2019-07-30 | 苏州威斯德医疗科技有限公司 | A kind of excreta existence alarm method and alarm system |
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