CN102907154B - Uplink access method, device and system - Google Patents
Uplink access method, device and system Download PDFInfo
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- CN102907154B CN102907154B CN201280000573.3A CN201280000573A CN102907154B CN 102907154 B CN102907154 B CN 102907154B CN 201280000573 A CN201280000573 A CN 201280000573A CN 102907154 B CN102907154 B CN 102907154B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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Abstract
Embodiments of the invention provide an uplink access method, device and system. The uplink access method comprises setting the reservation resources and sending the reservation resource notification information to at least one terminal; receiving the reservation signals transmitted by at least one terminal via the reservation resources; and sending the uplink access resource allocation message to the at least one terminal according to the reservation signals, so that the at least one terminal performs uplink access by means of the uplink access resources corresponding to the access resource allocation message. According to the uplink access method, device and system of the invention, a head-end device allocates the reservation resources at first and then allocates the uplink access resources to the terminal only after the reservation signals transmitted by the terminal is received, thereby preventing unnecessary resource waste which may be caused by the fact that many uplink access resources are always kept for uplink detection.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relates in particular to a kind of up-link access method, equipment and system.
Background technology
OFDM access (Orthogonal Frequency Division Multiple Access, being called for short OFDMA) system is based on multiple access technology, transmission bandwidth is divided into a series of subcarrier collection of orthogonal non-overlapping copies, different subcarrier collection is distributed to different users and realize multiple access.Ofdm system dynamically distributes to available bandwidth resources the user who needs, and is easy to realize the optimization utilization of system resource.Because different user takies the subcarrier collection of non-overlapping copies, under desirable synchronous situation, system is without disturbing between many families.
At present, the up access of OFDMA system is mainly to distribute a fixing time-frequency piece to use as up access, in order to ensure that thereby different users uses identical orthogonal sequence to reduce the probability of conflict, the length of orthogonal sequence can not be too short, needs in this case this orthogonal sequence of more resource bearing.But in wired system, because the relativeness of terminal and headend is stable, keep more up access-in resource for up access always, must cause the unnecessary wasting of resources.
Summary of the invention
The embodiment of the present invention provides a kind of up-link access method, equipment and system, to avoid the waste of ascending resource.
The embodiment of the present invention provides a kind of up-link access method, comprising:
Reserve resource is set, sends reserve resource announcement information at least one terminal, wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource;
Receive the reservation signal that described at least one terminal sends by described reserve resource respectively;
Send up access-in resource assignment messages to described at least one terminal respectively according to described reservation signal, so that described at least one terminal is carried out up access by up access-in resource corresponding to described access-in resource assignment messages.
The embodiment of the present invention provides a kind of up-link access method, comprising:
Know the time location of reserve resource according to the reserve resource announcement information recognizing, send reservation signal by described reserve resource head-end equipment;
Receive the up access-in resource assignment messages that described headend sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
The embodiment of the present invention provides a kind of headend, comprising:
The first allocation units, for reserve resource is set, send reserve resource announcement information at least one terminal, and wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource;
Reservation unit, the reservation signal sending by described reserve resource respectively for receiving described at least one terminal;
The second allocation units, for sending up access-in resource assignment messages to described at least one terminal respectively according to described reservation signal, so that described at least one terminal is carried out up access by up access-in resource corresponding to described access-in resource assignment messages.
The embodiment of the present invention provides a kind of terminal, comprising:
Reservation signal transmitting element, for know the time location of reserve resource according to the reserve resource announcement information recognizing, sends reservation signal by described reserve resource head-end equipment;
Up access unit, the up access-in resource assignment messages sending for receiving described headend, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
The embodiment of the present invention provides a kind of ascending access system, comprising:
The headend that the embodiment of the present invention provides, and the terminal that provides of multiple embodiment of the present invention.
As shown from the above technical solution, the invention provides up-link access method, equipment and system that embodiment provides, headend arranges reserve resource, send reserve resource announcement information at least one terminal, receive the reservation signal that at least one terminal sends by reserve resource respectively, send upper reservation signal respectively at least one row access-in resource assignment messages according to terminal, so that at least one terminal is by up access-in resource access corresponding to access-in resource assignment messages.First headend distributes reserve resource, when receiving after the reservation signal of terminal transmission, is just the up access-in resource of terminal distribution, the unnecessary wasting of resources of having avoided the up access-in resource that always keeps more to cause for up detection.Especially in wired system, the relativeness of terminal and headend is more stable, and the up-link access method that application the present embodiment provides, can save up access-in resource effectively, thereby promotes the data throughout of whole system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of up-link access method flow chart that Fig. 1 provides for the embodiment of the present invention;
The another kind of up-link access method flow chart that Fig. 2 provides for the embodiment of the present invention;
Another up-link access method flow chart that Fig. 3 provides for the embodiment of the present invention;
A kind of headend structural representation that Fig. 4 provides for the embodiment of the present invention;
The another kind of headend structural representation that Fig. 5 provides for the embodiment of the present invention;
The terminal structure schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The ascending access system structural representation that Fig. 7 provides for the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A kind of up-link access method flow chart that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the up-link access method that the present embodiment provides specifically can be applied to the testing process of OFDMA system to up access user, this OFDMA system is specifically as follows point-to-multipoint system, and system comprises a headend and multiple terminal equipment.The up-link access method that the present embodiment provides can be carried out by headend.
The up-link access method that the present embodiment provides specifically comprises:
Step S10, reserve resource is set, sends reserve resource announcement information at least one terminal, wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource;
The reservation signal that step S20, described at least one terminal of reception send by described reserve resource respectively;
Step S30, send up access-in resource assignment messages to described at least one terminal respectively according to described reservation signal, so that described at least one terminal is carried out up access by up access-in resource corresponding to described access-in resource assignment messages.
Headend is specifically as follows local side apparatus, and first headend arranges reserve resource, and this reserve resource can be a time-frequency piece, can be also a time slot.Headend issues down the reserve resource announcement information of the time location that is used to indicate reserve resource again, can recognize this reserve resource announcement information and know the time location of reserve resource with the terminal that makes to reach the standard grade.In actual application, which terminal headend does not also know to have to reach the standard grade, issuing in process at reserve resource announcement information, headend can adopt the mode of broadcast to issue this reserve resource announcement information, also can in downlink data, carry this reserve resource announcement information, the terminal that need to reach the standard grade can recognize this reserve resource announcement information.The terminal that need to reach the standard grade is when recognizing after this reserve resource, send reservation signal by this reserve resource, in the time existing multiple terminals to reach the standard grade, the plurality of terminal all can utilize this reserve resource to send reservation signal, reservation signal specifically can comprise an orthogonal sequence, and the orthogonal sequence in the reservation signal that different terminals sends can be identical.Headend sends up access-in resource assignment messages to the terminal that sends this reservation signal, and terminal is again by up access-in resource access corresponding to this up access-in resource assignment messages.
The up-link access method that the present embodiment provides, headend arranges reserve resource, send reserve resource announcement information, receive the reservation signal that at least one terminal sends by reserve resource respectively, send up access-in resource assignment messages at least one terminal respectively according to reservation signal, so that at least one terminal is by up access-in resource access corresponding to access-in resource assignment messages.First headend distributes reserve resource, when receiving after the reservation signal of terminal transmission, is just the up access-in resource of terminal distribution, the unnecessary wasting of resources of having avoided the up access-in resource that always keeps more to cause for up detection.Especially in wired system, the relativeness of terminal and headend is more stable, and the up-link access method that application the present embodiment provides, can save up access-in resource effectively, thereby promotes the data throughout of whole system.
The another kind of up-link access method flow chart that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, further, in the present embodiment, the described reserve resource that arranges in step S10, specifically can comprise the steps:
Described reserve resource is periodically set;
Correspondingly, step S20, after the reservation signal that at least one terminal of described reception sends by described reserve resource respectively, can also comprise the steps:
Step S40, according to described reservation signal, the cycle that arranges of described reserve resource is reduced.
Particularly, this reserve resource is periodically to arrange, and can further avoid the wasting of resources.In the time that headend receives this reservation signal, can know and exist user to reach the standard grade, the cycle that arranges of reserve resource can be reduced, to meet user's the demand of reaching the standard grade.
Can also be according to the statistical information of reaching the standard grade, the user who judges this time period situation of reaching the standard grade, while dividing the reservation signal of transmission too intensive for receiving terminal, user reaches the standard grade the more concentrated period, can reduce the cycle that arranges of reserve resource.In the present embodiment, step S40, describedly according to described reservation signal, the cycle that arranges of described reserve resource is reduced, specifically can comprise the steps:
In the first Preset Time, if the quantity of the described reservation signal receiving exceedes predetermined threshold value, the cycle that arranges of described reserve resource is reduced.
In actual application, can also adjust the cycle that arranges of this reserve resource according to the number of users of having reached the standard grade.For example, in wired system, because the quantity of terminal is more stable, in the time that the terminal of having reached the standard grade reaches some, may need the terminal quantity of reaching the standard grade just few, when the terminal quantity of having reached the standard grade exceedes after certain value, even if there is the terminal of newly reaching the standard grade, also without the cycle of setting is reduced; If previously the cycle of setting was diminished, at this moment can suitably the cycle that arranges be become to large.By the adjustment in the cycle that arranges to reserve resource, can improve the adaptability of user's request.
Further, in the present embodiment, step S40, after the described cycle that arranges by described reserve resource reduces, can also comprise the steps:
Step S50, in the second Preset Time, if do not receive the reservation signal that other-end sends by described reserve resource, returns to initial value by the cycle that arranges of described reserve resource.
After the cycle that arranges of reserve resource is reduced, if in the second Preset Time, do not receive the reservation signal that other-end sends, the cycle that arranges of reserve resource can be returned to initial value, to avoid the waste of reserve resource.
In the present embodiment, describedly send up access-in resource assignment messages to described at least one terminal respectively according to reservation signal, specifically can comprise the steps:
Carry out relevant treatment according to the first orthogonal sequence in described reservation signal, if the first relevant peaks generating exceedes the first preset value, described up access-in resource assignment messages is broadcasted.
Particularly, different terminals can be identical for preengaging first orthogonal sequence of reaching the standard grade, and exists terminal to reach the standard grade so that headend is known.This first orthogonal sequence is specifically as follows the pseudo noise code (pseudo random noise is called for short PN) with orthogonality.Terminal is carried at this first orthogonal sequence in reservation signal, sends to headend by reserve resource.Headend carries out local orthogonal sequence and this first orthogonal sequence relevant, if the first relevant peaks generating exceedes the first preset value, can determine the terminal that existence need to be reached the standard grade.Up access-in resource assignment messages is broadcasted all terminals.Terminal is known up access-in resource assignment messages according to this broadcast, and the up access-in resource access corresponding according to up access-in resource assignment messages.The first orthogonal sequence is set to short sequence can realize the reservation of reaching the standard grade, saving resource.
Further, in the present embodiment, step S30, described according to reservation signal respectively after described at least one terminal sends up access-in resource assignment messages, can also comprise the steps:
Step S60, receive the second orthogonal sequence that described at least one terminal sends by up access-in resource corresponding to described up access-in resource assignment messages respectively, carry out relevant treatment according to each the second orthogonal sequence, if the second relevant peaks generating exceedes the second preset value, determine the mark of described the second orthogonal sequence, described mark is carried in access response and is sent.
Terminal can be selected second orthogonal sequence at random from the second orthogonal sequence set, and this second orthogonal sequence has a mark, and this mark is for this second orthogonal sequence of unique identification.The second orthogonal sequence set comprises multiple the second orthogonal sequences, between each the second orthogonal sequence, has orthogonality.The second orthogonal sequence of selecting is sent to headend by terminal.Headend carries out relevant treatment according to local orthogonal sequence set to this second orthogonal sequence, local orthogonal sequence set comprises multiple orthogonal sequences, each orthogonal sequence that local orthogonal sequence is concentrated carries out relevant to this second orthogonal sequence, if the second relevant peaks of one of them orthogonal sequence generation relevant to this second orthogonal sequence exceedes the second preset value, , a sequence can be detected, and according to the orthogonal sequence relevant to this second orthogonal sequence, determine the mark of this second orthogonal sequence, and this mark is carried in access response and sends to terminal.Particularly, headend can know which the terminal of this second orthogonal sequence of transmission is, only access response need to be sent, terminal recognition is during to the mark of the second orthogonal sequence that is designated own transmission in access response, can determine that this access response sends to oneself, this access response is effective to this terminal.By the second orthogonal sequence, terminal is distinguished, realized simple.
In actual applications, also there is another kind of up access way, headend can periodically distribute up access-in resource, the terminal that need to reach the standard grade is after the distribution of up access-in resource that recognizes this head end, from orthogonal sequence set, select at random an orthogonal sequence, this orthogonal sequence has mark, this orthogonal sequence is sent to headend, headend carries out relevant treatment to orthogonal sequence, if when the relevant peaks generating exceedes preset value, the terminal that definite existence need to be reached the standard grade, the cycle that arranges of up access-in resource is shortened, thereby ensure more up access-in resource.Headend is determined the mark of orthogonal sequence, and mark is carried in access response and is sent.Terminal recognition during to the mark that is designated the own orthogonal sequence sending in access response, can determine that this access response sends to oneself, and this access responds effective to this terminal.In said process, in the Preset Time after the cycle that arranges of up access-in resource is shortened, other-end does not send orthogonal sequence, the cycle that arranges of up access-in resource is returned to initial value, to reach the object of saving resource.
Another up-link access method flow chart that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the up-link access method that is applied to headend that the up-link access method that the present embodiment provides specifically can provide with any embodiment of the present invention coordinates realization, and this repeats no more its specific implementation process.The up-link access method that the present embodiment provides can be carried out by terminal.
The up-link access method that the present embodiment provides specifically comprises:
The reserve resource announcement information that step C10, basis recognize is known the time location of reserve resource, sends reservation signal by described reserve resource head-end equipment;
Step C20, receive the up access-in resource assignment messages that described headend sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
The up-link access method that the present embodiment provides, terminal is known the time location of reserve resource according to the reserve resource announcement information recognizing, send reservation signal by reserve resource head-end equipment, receive the up access-in resource assignment messages that headend sends, by up access-in resource access corresponding to access-in resource assignment messages.First headend distributes reserve resource, when receiving after the reservation signal of terminal transmission, is just the up access-in resource of terminal distribution, the unnecessary wasting of resources of having avoided the up access-in resource that always keeps more to cause for up detection.Especially in wired system, the relativeness of terminal and headend is more stable, and the up-link access method that application the present embodiment provides, can save up access-in resource effectively, thereby promotes the data throughout of whole system.
In the present embodiment, step C10, described by described reserve resource head-end equipment transmission reservation signal, specifically can comprise the steps:
The first orthogonal sequence is carried in described reservation signal if recognize the reserve resource periodically arranging, sends described reservation signal by described reserve resource to described headend;
Correspondingly, step C20, the up access-in resource assignment messages that the described headend of described reception sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access, specifically can comprise the steps:
Receive the broadcast that carries described up access-in resource assignment messages that described headend sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
Headend realizes by the first orthogonal sequence the reservation of reaching the standard grade, and the first orthogonal sequence is set to short sequence can realize the reservation of reaching the standard grade, saving resource.
In the present embodiment, described in step C20 carries out up access by up access-in resource corresponding to described access-in resource assignment messages, specifically can comprise the steps:
From the second orthogonal sequence set, select second orthogonal sequence, the up access-in resource corresponding by described access-in resource assignment messages sends described the second orthogonal sequence to described headend, and the access that carries mark that receives described headend transmission responds, if the mark in described access response is identical with the mark of the second orthogonal sequence sending to described headend, complete up access.
Headend is distinguished terminal by the second orthogonal sequence, to realize the up access to terminal, realizes simple.
A kind of headend structural representation that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the headend 81 that the present embodiment provides specifically can be realized each step of the up-link access method that is applied to headend 81 that any embodiment of the present invention provides, and this repeats no more.The headend 81 that the present embodiment provides specifically comprises the first allocation units 11, reservation unit 12 and the second allocation units 13.The first allocation units 11, for reserve resource is set, send reserve resource announcement information at least one terminal, and wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource.The reservation signal that reservation unit 12 sends by described reserve resource respectively for receiving described at least one terminal 82.The second allocation units 13 are for sending up access-in resource assignment messages to described at least one terminal 82 respectively according to described reservation signal, so that described at least one terminal 82 is carried out up access by up access-in resource corresponding to described access-in resource assignment messages.
The headend 81 that the present embodiment provides, the first allocation units 11 arrange reserve resource, send reserve resource announcement information, reservation unit 12 receives the reservation signal that at least one terminal 82 sends by reserve resource respectively, the second allocation units 13 send up access-in resource assignment messages at least one terminal 82 respectively according to reservation signal, so that at least one terminal 82 is by up access-in resource access corresponding to access-in resource assignment messages.First headend 81 distributes reserve resource, when receiving after the reservation signal that terminal 82 sends, just distributes up access-in resource for terminal 82, the unnecessary wasting of resources of having avoided the up access-in resource that always keeps more to cause for up detection.Especially in wired system, terminal 82 is more stable with the relativeness of headend 81, and the up-link access method that application the present embodiment provides, can save up access-in resource effectively, thereby promotes the data throughout of whole system.
The another kind of headend structural representation that Fig. 5 provides for the embodiment of the present invention.As shown in Figure 5, in the present embodiment, described the first allocation units 11 are also for periodically arranging described reserve resource.Correspondingly, described headend 81 can also comprise cycle adjusting unit 14 is set.Cycle adjusting unit 14 is set for the cycle that arranges of described reserve resource being reduced according to described reservation signal.By the setting of cycle adjusting unit 14 is set, realize the adjustment in the cycle that arranges to reserve resource, can improve the adaptability of user's request.
In the present embodiment, the described cycle adjusting unit 14 that arranges, also in the first Preset Time, if the quantity of the described reservation signal receiving exceedes predetermined threshold value, reduces the cycle that arranges of described reserve resource.While dividing the reservation signal of transmission too intensive for receiving terminal, user reaches the standard grade the more concentrated period, can reduce the cycle that arranges of reserve resource.
In the present embodiment, this headend 81 specifically can also comprise reset unit 15.Reset unit 15, in the second Preset Time, if do not receive the reservation signal that other-end 82 sends by described reserve resource, returns to initial value by the cycle that arranges of described reserve resource.After the cycle that arranges of reserve resource is reduced, if in Preset Time, do not receive the reservation signal that other-end 82 sends, the cycle that arranges of reserve resource can be returned to initial value, to avoid the waste of reserve resource.
In the present embodiment, described reservation signal comprises the first orthogonal sequence.Correspondingly, described the second allocation units 13 also carry out relevant treatment for the first orthogonal sequence according to described reservation signal, if the first relevant peaks generating exceedes the first preset value, described up access-in resource assignment messages are broadcasted.The first orthogonal sequence is set to short sequence can realize the reservation of reaching the standard grade, saving resource.
In the present embodiment, this headend 81 can also comprise access detecting unit 16.The second orthogonal sequence that access detecting unit 16 sends by up access-in resource corresponding to described up access-in resource assignment messages respectively for receiving described at least one terminal 82, carry out relevant treatment according to each the second orthogonal sequence, if the second relevant peaks generating exceedes the second preset value, determine the mark of described the second orthogonal sequence, described mark is carried in access response and is sent.By the second orthogonal sequence, terminal 82 is distinguished, realized simple.
The terminal structure schematic diagram that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, the terminal 82 that the present embodiment provides specifically can realize each step of the up-link access method that is applied to terminal 82 that any embodiment of the present invention provides, and this repeats no more.The terminal 82 that the present embodiment provides specifically comprises reservation signal transmitting element 21 and up access unit 22.Reservation signal transmitting element 21, for know the time location of reserve resource according to the reserve resource announcement information recognizing, sends reservation signal by described reserve resource head-end equipment 81.The up access-in resource assignment messages that up access unit 22 sends for receiving described headend 81, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
The terminal 82 that the present embodiment provides, reservation signal transmitting element 21 is known the time location of reserve resource according to the reserve resource announcement information recognizing, send reservation signal by described reserve resource head-end equipment 81, up access unit 22 receives the up access-in resource assignment messages that headend 81 sends, by up access-in resource access corresponding to access-in resource assignment messages.Headend 81 first periodically distributes reserve resource, when receiving after the reservation signal that terminal 82 sends, just distribute up access-in resource for terminal 82, the unnecessary wasting of resources of having avoided the up access-in resource that always keeps more to cause for up detection.Especially in wired system, terminal 82 is more stable with the relativeness of headend 81, and the up-link access method that application the present embodiment provides, can save up access-in resource effectively, thereby promotes the data throughout of whole system.
In the present embodiment, if described reservation signal transmitting element 21 is also for recognizing the reserve resource periodically arranging, the first orthogonal sequence is carried in described reservation signal, sends described reservation signal by described reserve resource to described headend 81.Described up access unit 22 is also for receiving the described up access-in resource assignment messages that carries that described headend 81 sends, and the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
In the present embodiment, described up access unit 22 is also for selecting second orthogonal sequence from the second orthogonal sequence set, the up access-in resource corresponding by described access-in resource assignment messages sends described the second orthogonal sequence to described headend 81, and receive the access response that carries mark that described headend 81 sends, if the mark in described access response is identical with the mark of the second orthogonal sequence sending to described headend 81, complete up access.
The ascending access system structural representation that Fig. 7 provides for the embodiment of the present invention.As shown in Figure 7, in the present embodiment, this ascending access system specifically comprises: the headend 81 that any embodiment of the present invention provides, and the terminal 82 that provides of multiple any embodiment of the present invention.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. a up-link access method, is characterized in that, comprising:
Reserve resource is set, sends reserve resource announcement information at least one terminal, wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource;
Receive the reservation signal that described at least one terminal sends by described reserve resource respectively;
Send up access-in resource assignment messages to described at least one terminal respectively according to described reservation signal, so that described at least one terminal is carried out up access by up access-in resource corresponding to described access-in resource assignment messages;
Wherein, described according to reservation signal respectively after described at least one terminal sends up access-in resource assignment messages, also comprise:
Receive the second orthogonal sequence that described at least one terminal sends by up access-in resource corresponding to described up access-in resource assignment messages respectively, carry out relevant treatment according to each the second orthogonal sequence, if the second relevant peaks generating exceedes the second preset value, determine the mark of described the second orthogonal sequence, described mark is carried in access response and is sent.
2. up-link access method according to claim 1, is characterized in that, the described reserve resource that arranges, comprising:
Described reserve resource is periodically set;
Correspondingly, after the reservation signal that at least one terminal of described reception sends by described reserve resource respectively, also comprise:
According to described reservation signal, the cycle that arranges of described reserve resource is reduced.
3. up-link access method according to claim 2, is characterized in that, describedly according to described reservation signal, the cycle that arranges of described reserve resource is reduced, and comprising:
In the first Preset Time, if the quantity of the described reservation signal receiving exceedes predetermined threshold value, the cycle that arranges of described reserve resource is reduced.
4. according to the up-link access method described in claim 2 or 3, it is characterized in that, after the described cycle that arranges by described reserve resource reduces, also comprise:
In the second Preset Time, if do not receive the reservation signal that other-end sends by described reserve resource, the cycle that arranges of described reserve resource is returned to initial value.
5. according to the up-link access method described in any one in claim 1-3, it is characterized in that: described reservation signal comprises the first orthogonal sequence;
Correspondingly, describedly send up access-in resource assignment messages to described at least one terminal respectively according to reservation signal, comprising:
Carry out relevant treatment according to the first orthogonal sequence in described reservation signal, if the first relevant peaks generating exceedes the first preset value, described up access-in resource assignment messages is broadcasted.
6. a up-link access method, is characterized in that, comprising:
Know the time location of reserve resource according to the reserve resource announcement information recognizing, send reservation signal by described reserve resource head-end equipment;
Receive the up access-in resource assignment messages that described headend sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access;
Wherein, describedly carry out up access by up access-in resource corresponding to described access-in resource assignment messages, comprising:
From the second orthogonal sequence set, select second orthogonal sequence, the up access-in resource corresponding by described access-in resource assignment messages sends described the second orthogonal sequence to described headend, and the access that carries mark that receives described headend transmission responds, if the mark in described access response is identical with the mark of the second orthogonal sequence sending to described headend, complete up access.
7. up-link access method according to claim 6, is characterized in that:
Described by described reserve resource head-end equipment transmission reservation signal, comprising:
If recognize the reserve resource periodically arranging, the first orthogonal sequence is carried in described reservation signal, send described reservation signal by described reserve resource to described headend;
Correspondingly, the up access-in resource assignment messages that the described headend of described reception sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access, comprising:
Receive the broadcast that carries described up access-in resource assignment messages that described headend sends, the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
8. a headend, is characterized in that, comprising:
The first allocation units, for reserve resource is set, send reserve resource announcement information at least one terminal, and wherein, described reserve resource announcement information is in order to indicate the time location of described reserve resource;
Reservation unit, the reservation signal sending by described reserve resource respectively for receiving described at least one terminal;
The second allocation units, for sending up access-in resource assignment messages to described at least one terminal respectively according to described reservation signal, so that described at least one terminal is carried out up access by up access-in resource corresponding to described access-in resource assignment messages;
Wherein, also comprise:
Access detecting unit, the second orthogonal sequence sending by up access-in resource corresponding to described up access-in resource assignment messages respectively for receiving described at least one terminal, carry out relevant treatment according to each the second orthogonal sequence, if the second relevant peaks generating exceedes the second preset value, determine the mark of described the second orthogonal sequence, described mark is carried in access response and is sent.
9. headend according to claim 8, is characterized in that:
Described the first allocation units are also for periodically arranging described reserve resource;
Correspondingly, described headend also comprises:
Cycle adjusting unit is set, for the cycle that arranges of described reserve resource being reduced according to described reservation signal.
10. headend according to claim 9, is characterized in that: the described cycle adjusting unit that arranges, also in the first Preset Time, if the quantity of the described reservation signal receiving exceedes predetermined threshold value, reduces the cycle that arranges of described reserve resource.
11. according to the headend described in claim 9 or 10, it is characterized in that, also comprises:
Reset unit, in the second Preset Time, if do not receive the reservation signal that other-end sends by described reserve resource, returns to initial value by the cycle that arranges of described reserve resource.
Headend in 12. according to Claim 8-10 described in any one, is characterized in that: described reservation signal comprises the first orthogonal sequence;
Correspondingly, described the second allocation units also carry out relevant treatment for the first orthogonal sequence according to described reservation signal, if the first relevant peaks generating exceedes the first preset value, described up access-in resource assignment messages are broadcasted.
13. 1 kinds of terminals, is characterized in that, comprising:
Reservation signal transmitting element, for know the time location of reserve resource according to the reserve resource announcement information recognizing, sends reservation signal by described reserve resource head-end equipment;
Up access unit, the up access-in resource assignment messages sending for receiving described headend, the up access-in resource corresponding by described access-in resource assignment messages carries out up access;
Wherein, described up access unit is also for selecting second orthogonal sequence from the second orthogonal sequence set, the up access-in resource corresponding by described access-in resource assignment messages sends described the second orthogonal sequence to described headend, and the access that carries mark that receives described headend transmission responds, if the mark in described access response is identical with the mark of the second orthogonal sequence sending to described headend, complete up access.
14. terminals according to claim 13, is characterized in that:
If described reservation signal transmitting element also, for recognizing the reserve resource periodically arranging, is carried at the first orthogonal sequence in described reservation signal, send described reservation signal by described reserve resource to described headend;
Described up access unit is also for receiving the described up access-in resource assignment messages that carries of described headend transmission, and the up access-in resource corresponding by described access-in resource assignment messages carries out up access.
15. 1 kinds of ascending access systems, is characterized in that, comprising:
Headend as described in any one in claim 8-10, and multiple terminal as described in any one in claim 13-14.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2012/076514 WO2013181804A1 (en) | 2012-06-06 | 2012-06-06 | Uplink access method, device and system |
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| CN102907154B true CN102907154B (en) | 2014-08-06 |
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| CN103167630B (en) * | 2013-03-22 | 2015-06-24 | 哈尔滨工业大学 | Method for performing point-to-point off-line direct mode operation under public network time division-long term evolution (TD-LTE) |
| CN106961713B (en) | 2016-01-12 | 2021-07-09 | 中兴通讯股份有限公司 | Uplink access method, terminal and base station |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497995A (en) * | 2002-10-03 | 2004-05-19 | ��ʽ����Ntt����Ħ | Resource distributing method, base station, mobile station, radio packet communication system |
| CN101018414A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Asynchronous interactive multi-address access method |
| CN101485216A (en) * | 2006-05-12 | 2009-07-15 | 松下电器产业株式会社 | Reservation of radio resources for users in a mobile communications system |
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| CN101730191B (en) * | 2008-10-27 | 2013-06-05 | 华为技术有限公司 | Resource allocation method, terminal and communication system |
| CN101742674B (en) * | 2008-11-07 | 2012-10-03 | 上海华为技术有限公司 | Method, device and system for accessing base station |
| US20100272059A1 (en) * | 2009-04-28 | 2010-10-28 | Infineon Technologies Ag | Mobile radio communication devices and mobile radio base station devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497995A (en) * | 2002-10-03 | 2004-05-19 | ��ʽ����Ntt����Ħ | Resource distributing method, base station, mobile station, radio packet communication system |
| CN101485216A (en) * | 2006-05-12 | 2009-07-15 | 松下电器产业株式会社 | Reservation of radio resources for users in a mobile communications system |
| CN101018414A (en) * | 2007-02-16 | 2007-08-15 | 北京航空航天大学 | Asynchronous interactive multi-address access method |
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