CN1780457A - Wireless channel resource allocation - Google Patents
Wireless channel resource allocation Download PDFInfo
- Publication number
- CN1780457A CN1780457A CN 200410095704 CN200410095704A CN1780457A CN 1780457 A CN1780457 A CN 1780457A CN 200410095704 CN200410095704 CN 200410095704 CN 200410095704 A CN200410095704 A CN 200410095704A CN 1780457 A CN1780457 A CN 1780457A
- Authority
- CN
- China
- Prior art keywords
- channel
- time
- frequency
- sub
- described method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The method includes following steps: the wireless network controller allocates and manages the wireless channel resources; a mixed allocation mode combining the fixed-allocation with dynamic allocation is used to provide channels for base station and mobile station. When the invention uses different orthogonal code sequences to allocate different cell, the resources of time slot and frequency can be jointly allocated to each cell. In TDD mobile communication system, the allocation above can reduce the interference between cells, and also reduce the interference between up stream signals and down stream signals.
Description
Technical field
The present invention relates to the distribution and the transmission technology of the channel resource in the mobile radio communications system, particularly the method for sub-district channel distribution in time division duplex (being called for short TDD) mobile communication system.
Background technology
In mobile communication system, channel allocation is the part of allocation of radio resources, and it is related to the resource that takies of each sub-district, the problems such as interference in service traffics and minizone and the sub-district.Cell mobile communication systems need be distributed to radio channel resource each base station and the travelling carriage in the network, makes it can finish the professional transmission of uplink and downlink.Can distribute the uplink and downlink channel neatly according to the demand of business based on the TDD mobile communication system, realize effective transmission of symmetry and non-symmetrical service.
The target of channel allocation is to utilize radio channel resource, high speed transmission data signal under as far as possible little disturbed condition to greatest extent.Particularly need frequency in OFDM (Orthogonal FrequencyDivision Multiple is called for short OFDM) system, time slot and sign indicating number resource are carried out reasonable configuration, so that the resource utilization of obtaining greatlyyer.In order to effectively utilize the mobile communication system resource, adopt the pooling of resources management can reasonably use Radio Resource and Internet resources.Consider the interference of minizone, the shared resource in each sub-district is distinguished to some extent, can realize effective separation of each cell signal by certain sign.
The distribution method of channel generally has fixed channel assignment, and dynamic channel allocation and mixed channel distribute.
Fixed channel assignment (being called for short FCA) is according to each sub-district propagation characteristic and distribution of traffic feature, and channel resource is distributed to each base station regularly.But the problem that it brings is the variation that is unfavorable for system business and environment.
Dynamic channel allocation schemes (being called for short DCA) is that all channels all are placed in the resource pool.When a certain community user needed a Channel Transmission signal, radio resource controller can be carried out or refuse and distribute a channel to this community user according to the resource operating position.Although DCA can provide the quite high level of resources utilization and professional flexibly suitability,, make DCA in real system, be difficult to use because its algorithm computation complexity when high capacity is too high.
In order to overcome the defective of FCA and DCA, mixed channel distributes (being called for short HCA) that the channel part is fixed and partial dynamic two parts.It combines the characteristics of FCA and DCA, can realize the dynamic assignment of certain channel resource under limited computation complexity.
In order to further specify the mixed channel distribution method, Fig. 1 has described the mobile communication system resource allocation structure.By the sign indicating number territory, the different divisions of frequency domain and time domain can realize wireless system resources is distributed.Channel code is used to distinguish different sub-districts.In one group of mutually orthogonal sequence sets, RNC can distribute to each sub-district with selected different channels sign indicating number when the network planning.In order to satisfy the needs of professional transmission, frequency domain resource and time-domain resource-frequency band and time slot will flexible allocation be given each community user in message transmitting procedure.10 expression time-domain resource in Fig. 1, it is a domain space when dividing frame by frame, a frame time is made up of a plurality of time slots at interval.20 expression frequency domains can be divided into the one section frequency band a plurality of sub-bands.30 indication code territories, specific code sequence that can be different to each cell configuration.As 40 sub-district # 1 configuration C1 sign indicating number, 42 sub-district # 2 configuration C2 sign indicating number, 48 sub-district # maximums (max) configuration Cmax sign indicating number etc.
In the processing method of existing resources management, often only consider the single subdistrict scheduling of resource, seldom consider the resource requirement that many sub-districts are different, perhaps with the separately design of uplink and downlink resource.Especially the flexibility that TDD system multi-cell channel is distributed and reduce problem such as phase mutual interference and lack and consider as a whole.The adjustable characteristic of the system resource of TDD does not embody fully.As when using the FCA algorithm, because each cell business volume difference can cause some cell channel resources not enough, and other cell channel resources is in idle condition.When using the DCA method, amount of calculation is bigger than normal, the network management complexity.Especially under the big situation of each cell business volume, realize difficulty more.Though the HCA method can merge the problem that solves each side, this method generally satisfies this cell business volume by using channel to neighbor cell; Or mark very the mini-bus part and take according to its traffic carrying capacity application as each sub-district, public domain.Problems such as this can cause the traffic carrying capacity adjusting range little, and resource control is also dumb.
Summary of the invention
The purpose of this invention is to provide a kind of wireless channel resource allocation,, provide channel code, the method for channel allocation that three factors of frequency bandwidth and time slot combine according to central controlled mixed channel distribution principle.It is assigned channels flexibly, and can reduce the interference of minizone.Improved the effective rate of utilization of the rate of information throughput and channel resource simultaneously.
For achieving the above object, a kind of new hybrid wireless channel resource allocation method comprises step:
Radio network controller is concentrated and is distributed and the management radio channel resource;
The mixed ways of distribution that adopts fixed allocation and dynamic assignment to combine offers the base station with channel resource and travelling carriage communicates.
The present invention adopts the different sub-district of different sign indicating number sequence identifier, the method for channel allocation of time slot and the real-time distributing radio resource of frequency resource.In the TDD mobile communication system, use channel resource allocation method of the present invention can be in the cellular system communication system distributing radio resource effectively, interfere with each other between the sub-district in the minimizing system with the sub-district in disturb, improve the utilance of radio channel resource greatly.Fully reflected the specific of TDD and broadband mobile communication.
Description of drawings
Fig. 1 is a mobile communication system resource allocation framework;
Fig. 2 is the mobile system network diagram;
Fig. 3 (a) (b) is the uplink and downlink channel allocation;
Fig. 4 wireless frame structure;
Fig. 5 (a) (b), (c) is the local resource distribution condition;
Fig. 6 (a) (b), (c) is based on first, second and third cell uplink channel and down channel resources allocation example;
Fig. 7 is the allocation of radio resources table;
Fig. 8 is the resource allocation flow process.
Embodiment
The present invention has adopted the method for radio network controller (being called for short RNC) centralized control radio channel resource.It can utilize Radio Resource efficiently.Reduce the conflict in the channel use, waste and interference.Fig. 2 has described the central controlled mobile communication wireless channel allocation of this employing structural approach.Suppose when setting up in the sub-district, RNC be its control each cell allocation different identification codes.One 80 RNC management and control a plurality of sub-districts (as among Fig. 2 90,92,94), mobile subscriber MS in each sub-district (in as Fig. 2 54,62,72) needs to send data, they will send channel assignment request to its relevant base station (in as Fig. 2 50,60,70) separately.Each base station reports 80RNC with its request, and will send travelling carriage to from the channel resource relevant information that 80 RNC obtain.
The present invention has provided a kind of distribution method of new channel resource, and can be used for single sub-district and many cell conditions: the Radio Resource centralized control, the mixed allocation transmission channel resources can dynamically be adjusted each local resource in a frame.It can satisfy symmetry and non-symmetrical service demand.
The course of work of the professional transmission of its uplink and downlink can be with Fig. 3 (a) and (b) is described.
When at first 120 radio network controller (RNC)s were set up in the sub-district, configuration was used to identify the specific code sequence of different districts, requires each cell-specific sign indicating number mutually orthogonal.Then, radio network controller is collected its control 110 BTS service amounts down; Mutual definite sub-district busy channel resource by 130 information.120 radio network controllers are set up and the maintenance channel resource allocation table.Which cell uplink business is which resource of this form stores be used to, and which resource is used to which downlink business of sub-district, and which resource does not have occupied, the data such as positional information of transfer point (Switching Point).In all running time-frequency resources, the channel resource of some frequencies and time slot is fixed and distributes to all sub-districts; The channel resource of other frequencies and time slot is dynamically allocated to each sub-district.Simultaneously, each cell base station has obtained channel that use this sub-district and relevant information thereof by 130.
Running time-frequency resource is divided into the time-frequency piece (being called for short TFB) that is used for Channel Transmission by time slot and frequency range.A TFB can comprise one or more mark spaces and one or more subcarrier bandwidth.When one 100 travelling carriage (or 110 base stations) need be to affiliated base station (or to certain travelling carriage) transport service, this 100 travelling carriage can send 140 traffic channel request (or the message that signaling is connected is set up to sending with this travelling carriage in the base station) to 110 base stations.110 base stations send 150 channel assignment request according to the channel operating position of this sub-district to 120 radio network controllers, 120 radio network controllers inquiry Radio Resource channel behaviour in service, if have available time-frequency piece in up (or descending), RNC just assigns the transmission channel of one or more time-frequency pieces as this sub-district in the dynamic assignment zone.Then, 120 radio network controllers send 160 channel confirmations to 110 base stations, revise the channel resource allocation table simultaneously.Confirm that according to 120 radio network controllers 110 base stations can be by 170 message with the Dedicated Traffic Channel of assign a certain or a plurality of time-frequency pieces (TFB) as itself and 100 mobile communications.If there is not available running time-frequency resource at present, RNC can refuse this traffic channel assignments request.The base station will propose the Traffic Channel application in the next frame transmission course.
When a plurality of users carried out channel request simultaneously, the distribution of channel will be according to mobile subscriber's priority, the QoS state, and type of service, factors such as service traffics come to assign with the resource operating position in order or refusal respective assigned time-frequency piece.
Fig. 4 has provided the wireless frame structure of cell mobile communication systems.The information distribution of every frame and form can illustrate with Fig. 5.The inventive method is that a frame channel resource is divided into fixed resource range of distribution and variable resource allocation zone two parts.At first, the front portion of a frame is arranged to the channel resource of fixed allocation, and it is made up of two part time slots and frequency resource.Wherein first's time slot and fixed-frequency are used for the downlink channel transmission signals, and second portion time slot and fixed-frequency are used for the uplink channel transmission signal.These fixed channels generally are used to propagate control information, as the frame head sign, and synchronizing signal, pilot signal and system information etc.At fixing down channel with a protection (Guard Period is called for short GP) is at interval fixedly arranged between two kinds of time slots of up channel.This protection limited size at interval is in the size of radius of society.
Time slot and frequency at a frame rear portion are to belong to the variable resource allocation zone.In this zone, each time-frequency piece can dynamic assignment.Some time slots can be allocated to the channel that is used for up link, and other time slots can be allocated to and be used for descending channel.In same time slot, some frequency can be allocated for up channel, and other frequencies can be allocated for down channel.The channel in variable allocation zone generally is used to transport service information and control signaling (as power control information, training sequence, and other control information indication etc.).
In the methods of the invention, each frame has two transfer points between up channel time-frequency piece and down channel time-frequency piece.First transfer point is the fixed conversion point, and it is between first's descending time slot and second portion ascending time slot of fixed resource range of distribution.Second transfer point is variable transfer point, any frequency and time slot position that it can be in Variable Area.Time-frequency piece (TFB) in the dynamic assignment zone passes through the transfer point position, and running time-frequency resource is divided into up TFB and descending TFB two parts.Suppose that dynamic translation point is known, be positioned at above the transfer point and the TFB on the left side is used for up; Be positioned at below the exchange point and the TFB on the right is used for descending.
For some sub-districts, descending TFB will be arranged in different time slots with up TFB.Promptly on a time slot, a part of TFB is as being arranged for transmitting uplink signals, and the TFB of other parts can not be arranged for transmitted downlink signal; Vice versa.
For different sub-districts, on a time slot, a part (or all) TFB can be used to transmit the upstream data of some sub-districts.TFB can be by other cell transmission downlink data in the part (or all) of the opposite side of transfer point.
A TFB piece can be used for transmission information by a plurality of sub-districts.But require a TFB in a frame, can only transmit the signal of a direction.That is to say, for each TFB or transmission upward signal, or transmission of downlink signal.Do not allow in a TFB, in the time of some cell transmission upward signals, have other cell transmission downstream signal; Or opposite situation appears.
In order to satisfy synchronously and the requirement of cell size, between the time slot (being used for upward signal) of the time slot (being used for the downstream signal transmission) of first and second portion, need one to protect interval (GP).
Consider that each time slot might transmit the uplink and downlink signal in the variable range,, between each time slot, keep very little idle gap in order to reduce interference.
Between up TFB and descending TFB signal, two transfer points are arranged.The position of first transfer point is between the first's time slot (downstream signal) and second portion time slot (upward signal) of fixed resource range of distribution.It is the transfer point of fixing.Second transfer point is positioned at the Dynamic Resource Allocation for Multimedia scope, and it is a mobile variable transfer point.Its position is according to the ratio of up TFB and descending TFB, moves in the frequency domain of Variable Area and time domain scope.
In transmission course, distribute up channel and down channel according to the different business quantitative changeization.
Therefore, between different frames, the ratio by changing descending TFB and up TFB is to satisfy the situation of symmetry and non-symmetrical service.
This mixed channel allocation algorithm can be further described with Fig. 5.Fig. 5 has showed RNC management and allocation radio resource result.The channel code of each sub-district and employed communication channel resource conditions all are recorded in the radio channel resource allocation list.This table is also being stored the position of the variable transfer point of uplink and downlink.The local resource forms of distribution that three kinds of variable transfer points are arranged: when Fig. 5 represented to adopt the method transmission means of being invented, variable transfer point took the different time-gap sight; Variable transfer point takies a plurality of time slots such as Fig. 5 (a), and variable transfer point takies a time slot such as Fig. 5 (b), and variable transfer point does not take time slot such as Fig. 5 (c).
If K sub-district of RNC condominium reason, but the channel code fixed allocation of each sub-district, (1≤k≤K) known its channel code is Ck as the k sub-district.T time slot arranged, the F sub-frequency bands in each frame.Wherein the scope of variable time slots i is I
d≤ i≤I
uFrequency j scope is f
n≤ j≤f
mThe transfer point of uplink and downlink TFB is (i
Sp, j
Sp).
In Fig. 5,470
The TFB that multi-cell downlink uses, 472
The TFB that many cell uplinks use, 474
The TFB that single cell downlink uses, 476
The TFB that single cell uplink uses.478
The untapped TFB in each sub-district.The 430th, fixed conversion point, the 440th, variable transfer point.The 420th, protection at interval.Transmission structure in a frame can be arranged its channel according to following method.
1) determines position and the up time-frequency piece and the down time-frequency piece scope of each cell channel fixed allocation.
2), determine variable transfer point best between up time-frequency piece and the down time-frequency piece according to the channel demands of each sub-district.
3) in the variable range of distribution of channel resource uplink and downlink resource, the time-frequency piece of the diverse location of variable relatively transfer point is used to transmit the signal of different transmission directions.
In the uplink and downlink variable range of a frame, the left side of transfer point (anterior time slot) and top (bigger frequency) is as up time-frequency piece; The right of transfer point (rear portion time slot) and following (less frequency) are as the down time-frequency piece.(annotate: the following opposite TFB of arrangement resource also can on the transfer point.)
4) for a sub-district, the down time-frequency lattice will be arranged in different time slots with up time-frequency lattice.If on a time slot, a part of time-frequency piece is arranged for transmitting uplink data, and another part time-frequency lattice can not be used for downlink data transmission.Vice versa.
5) for different sub-districts, if on a time slot, a part of TFB is used to transmit the upstream data of some sub-districts, and another part TFB can be arranged for transmitting the downlink data of other sub-district.
6) distribute each sub-district busy channel resource.And allocation result is recorded in the allocation of radio resources table.
7) when the next frame channel resource allocation, repeat 1)-6) process.
The resource distribution table can be described with Fig. 7 in the radio network controller resource management device.It has write down each local resource operating position TFB parameter list.The radio-resource-configuration table comprises 600 gauge outfits, contents such as 660 resource occupation situations and 680 explanation of tables.
600 gauge outfits comprise system parameters (for example: the distribution of time-frequency piece and quantity, uplink and downlink TFB transfer point, resource operating position).
660 resource operating positions comprise the channel code distribution, and occupancy is writing down the behaviour in service of time-frequency piece, comprise the sub-district of using the time-frequency piece, transmission direction (upstream or downstream), fixed area or Variable Area.
680 form data comprise form formulation and modification time, maintenance information etc.
In order to further specify channel assignment scheme, with Fig. 8 the channel resource allocation flow process is described, the present invention is at first disposed the fixed channel resource of each sub-district by RNC, as the channel code of each sub-district, frame head, broadcast message, public resources such as access way.Then, according to parameters such as business throughput and types of service, calculate and add up each cell uplink and down channel demand.At up time-frequency piece of variable channel range of distribution Preliminary division and down time-frequency piece scope of resource.Arrange the up channel of each sub-district and the time-frequency piece of down channel.
In the assigning process to each cell channel, at first RNC carries out initialization process to each sub-district, then according to the time-frequency piece in each Zone situation arrangement dynamic area; Be used for up link to distinguish which resource, which resource is used for down link.When a user sends traffic channel request in the base station cell, arrange its channel according to following method.
1.RNC be each cell configuration primary channel resource: channel code, fixed area channel resource.Or obtain the primary channel resource of Traffic Channel changing cells.
2.RNC determine variable position of conversion point:, determine its best variable transfer point according to each cell business volume and type of service.
3.RNC or base station (BS) arranges as follows to down channel resources:
1) by the position of variable transfer point, determines the appointment of TFB.
A) at conversion time slot i
SpAll time-frequency lattice afterwards all can be used as descending TFB;
B) at conversion time slot i
Sp, frequency is less than j
SpThe time-frequency lattice can be used as descending TFB.
2) the time-frequency piece is for empty in the descending range of distribution if be in, and this TFB can be designated as descending TFB;
3) if the time-frequency piece that is in the descending dynamic assignment zone is used by other cell downlink channel, this TFB also can be designated as the shared descending TFB in many sub-districts;
4), just need cooperate to redefine variable position of conversion point with the up channel demand if above-mentioned steps can't be finished the appointment of down channel.
5) if can't change variable position of conversion point, this user can will propose the down channel request for allocation again at next frame.
4.RNC or BS arranges as follows to uplink channel resources:
1) according to the position of variable transfer point, determines the appointment of time-frequency piece in the radio channel resource table;
A) at i
SpTime slot before; TFB can be arranged for the time-frequency piece that is used for up link;
B) be in time slot i
SpResource, frequency greater than TFB can be designated as the time-frequency piece that is used for up link.
2) if time-frequency lattice are in the uplink assignment zone and are the free time, these time-frequency lattice can be designated as up TFB.
3) if time-frequency lattice are used by other cell uplink channel, these time-frequency lattice can be designated as the shared up TFB of this sub-district.
4), just need cooperate to redefine variable position of conversion point with the down channel demand if above-mentioned steps can't be finished the appointment of up channel.
5) if can't change variable position of conversion point, this community user uplink requires to propose up channel again at next frame and distributes.
When configuration is used to transmit descending and up time-frequency lattice resource, should take following measure to guarantee in the sub-district and the interference minimum of minizone.
1) in a sub-district, the down time-frequency lattice will be arranged in different time slots with up time-frequency lattice.If on a time slot, a part of time-frequency piece is arranged for transmitting uplink data, and another part time-frequency lattice can not be arranged to downlink data transmission.Otherwise,, be in that another part time-frequency lattice can not be arranged to transmitting uplink data on the same time slot if a part of time-frequency piece is arranged for downlink data transmission.
2) for different sub-districts, on a uplink and downlink conversion time slot, a part of time-frequency lattice are used to transmit the upstream data of some sub-districts; TFB at the opposite side of transfer point can be arranged to transmit the downlink data of other sub-district.
3) time-frequency lattice can not be used to transmit ascending data and downlink data simultaneously.
Embodiment
With reference to appended drawing, one embodiment of the present of invention have been provided below.
Fig. 6 (a), (b), (c) example that the centralized control mixed wireless resource that is made of three sub-districts distributes of expression.RNC controls 3 sub-districts (sub-district 1, sub-district 2 and sub-district 3), and the condition code of each sub-district is distributed by the RNC predetermined fixed.There is one 8 * 6 time-frequency piece resource to determine that substantially up channel and down channel distribute according to business demand.That is to say 8 time slots are arranged, 6 sub-frequency bands in each frame.According to above-mentioned mixed channel allocative decision, fix position with variable channel range of distribution and uplink and downlink transfer point.Fixedly the scope of descending time slot is the 1st time slot, and frequency range is [1,6]; Fixedly the scope of ascending time slot is the 2nd time slot, and frequency j scope is [1,6].Wherein the scope of variable slot i is [3,8]; Frequency j scope is [1,6].The variable transfer point of uplink and downlink TFB is between (4,2) and (4,3).Fig. 6 has showed each local resource behaviour in service of a frame.
1) for three sub-districts, the scope of 530 fixed channels is all time-frequency pieces of the first two time slot, and these resources are all used in three sub-districts.According to the channel demands of each sub-district, determine variable transfer point best between up time-frequency piece and the down time-frequency piece.Simultaneously, reserve a spot of time slot and frequency band in the front portion of each time-frequency piece as guard time between two time-frequency pieces and protection frequency band.
2) in 540 variable channel scopes, there are 550 variable transfer points of identical up time-frequency piece and down time-frequency piece each sub-district between TFB42 and the TFB43. and in the variable scope of channel resource uplink and downlink, the left side of transfer point (anterior time slot) and top (bigger frequency) is as up time-frequency piece; The right of transfer point (rear portion time slot) and top (less frequency) are as the down time-frequency piece.Arrange the busy channel of each sub-district.And allocation result is recorded in the allocation of radio resources table.
3) in 540 variable channel scopes, 3 of the up time-frequency pieces that takies for sub-district 1: TFB32, TFB34, TFB35.23 of the down time-frequency pieces that takies for sub-district 1: TFB42, TFB41, TFB51, TFB53, TFB54, TFB56, TFB61-TFB66, TFB71-TFB76, TFB82-TFB86.Referring to Fig. 6 (a) first cell uplink channel and down channel resources allocation example.
4) in the variable channel scope, 6 of the up time-frequency pieces that takies for sub-district 2: TFB31, TFB33, TFB34, TFB36, TFB45, TFB46.12 of the down time-frequency pieces that takies for sub-district 2: TFB52, TFB61-66, TFB73, TFB74, TFB75, TFB81, TFB84.Referring to Fig. 6 (b) second cell uplink channel and down channel resources allocation example.
5) in the variable channel scope, 8 of the up time-frequency pieces that takies for sub-district 3: TFB31-TFB36, TFB44, TFB45.20 of the down time-frequency pieces that takies for sub-district 3: TFB56, TFB51, TFB61-TFB66, TFB71-TFB76, TFB81-TFB86.Referring to Fig. 6 (c) the 3rd cell uplink channel and down channel resources allocation example.
The method that the mobile telecommunication channel that provides by the present invention distributes. Its effect is:
1. the method can be very suitable for TDD GSM channel allocation. It can be neatly Adaptive channel resource.
2. by channel code, frequency and time slot three-dimensional feature come the channel of identifying cells. It is a kind of mixed Close method for channel allocation. It can either increase the flexible of resource distribution than fixed channel assignment The property, reduced computation complexity than dynamic channel allocation again.
3. the method has adopted centralized Control and scheduling to Radio Resource. Wireless network resource management is quick And convenient.
4. only have a bigger protection interval in the frame structure of employing the method, the utilization rate of resource Height, corresponding efficiency of transmission also is improved.
5. the method can be each cell allocation up channel and down channel neatly, satisfies well The requirement of symmetrical service and non-symmetrical service.
6. this method makes the interference of minizone and the interference in the sub-district all smaller by reasonable configuration time-frequency piece resource.
7. this method has comprised the characteristics of dynamic channel allocation and fixed channel assignment, and the different configurations of design and adjustment time slot and frequency resource can be finished the real-time distribution of channel.Simultaneously, this method realizes in system easily.
This method adopts bigger protection at interval at descending time slot and ascending time slot fixed conversion place, thereby has guaranteed the propagation radius of each sub-district, has satisfied the requirement of TDD mobile communication system transmitting synchronous.
Claims (25)
1. one kind based on the time-frequency wireless channel resource allocation, comprises step:
Radio network controller is concentrated and is distributed and the management radio channel resource;
The mixed ways of distribution that adopts fixed allocation and dynamic assignment to combine offers the base station with channel and travelling carriage communicates.
2. by the described method of claim 1, it is characterized in that described radio network controller distributes wireless channel to comprise step:
When setting up, the sub-district assigns the private code of base station cell;
Set up the allocation of radio resources table according to each Zone situation;
The time-frequency piece of fixed channel is offered each sub-district;
The time-frequency piece of dynamic channel is offered each sub-district.
3. by the described method of claim 1, it is characterized in that described radio network controller collects each Zone situation, calculate and divide Radio Resource, and will distribute the time-frequency piece to send to each sub-district.
4. by the described method of claim 1, it is characterized in that described base station receives from travelling carriage " transmission channel request " signal, adds that with message this cell information is forwarded to radio network controller request allocation of channel resources may.
5. by the described method of claim 2, it is characterized in that described time-frequency piece resource comprises following content:
To be divided into a frame a period of time, divide some time slots in each frame;
One band frequency is divided into the plurality of sub frequency band;
6. by the described method of claim 5, it is characterized in that constituting a time-frequency piece by a time slot and one or more sub-band.
7. by the described method of claim 5, it is characterized in that described every frame channel resource comprises: fixed resource range of distribution and variable resource allocation zone.
8. by the described method of claim 7, it is characterized in that described fixed resource range of distribution comprises:
The channel resource allocation that is in first's time slot is given down link, is used for control channel and broadcast;
The channel resource allocation that is in the second portion time slot is given up link, is used to transmit access control and synchronizing signal.
9. by the described method of claim 8, it is characterized in that described control signals transmitted comprises position of conversion point information, system information, pilot signal and the control information in frame head sign, synchronizing signal, dynamic channel allocation zone.
10. by the described method of claim 7, it is characterized in that described variable resource allocation zone is used to transmit training sequence, power control information and other control information indication.
11. by the described method of claim 7, it is characterized in that between the up channel time-frequency piece of each frame and down channel time-frequency piece, two transfer points being set.
12., it is characterized in that by the described method of claim 11:
First transfer point is the fixed conversion point, between first's descending time slot and second portion ascending time slot of fixed resource range of distribution;
Second transfer point is variable transfer point, is positioned at any frequency and the time slot position of Variable Area.
13. by the described method of claim 8, it is characterized in that between the ascending time slot of the descending time slot of the first in fixed allocation zone and second portion, having at interval with protection; This protection length is at interval determined according to radius of society.
14., it is characterized in that keeping idle gap between described each time slot by the described method of claim 8.
15., it is characterized in that in the variable resource allocation zone time-frequency piece can only transmit the signal of a direction in a frame by the described method of claim 7.
16. by the described method of claim 7, it is characterized in that: in the sub-district, the down time-frequency lattice will be arranged in different time slots with up time-frequency lattice.
17., it is characterized in that on a time slot if a part of time-frequency piece is arranged for the transmitting uplink data of certain sub-district, other time-frequency lattice can not be arranged to downlink data transmission by the described method of claim 16; Vice versa.
18. by the described method of claim 12, it is characterized in that: for different sub-districts, on the conversion time slot of a up channel and down channel, a part of time-frequency lattice are used to transmit the upstream data of some sub-districts; TFB at the opposite side of transfer point can be arranged to transmit the downlink data of other sub-district.
19. by the described method of claim 2, it is characterized in that: described " allocation of radio resources table " comprises following content:
Gauge outfit, occupation condition, explanation of tables.
20. by the described method of claim 19, it is characterized in that described gauge outfit comprises the transfer point of the distribution of time-frequency piece and quantity, uplink and downlink time-frequency piece.
21., it is characterized in that described occupation condition comprises the behaviour in service of channel code distribution, time-frequency piece, sub-district, transmission direction, fixed area or the Variable Area of use time-frequency piece by the described method of claim 19.
22. by the described method of claim 19, it is characterized in that described explanation of tables comprises form braking time, form modification time, maintenance information.
23., it is characterized in that the private code of described sub-district is used to identify different districts, and each cell-specific sign indicating number is mutually orthogonal by the described method of claim 2.
24. by the described method of claim 1, it is characterized in that described base station needs the travelling carriage of service data transmission to its control, realize sending " transmission channel link establishment " signaling and give this travelling carriage, after obtaining this message authentication of travelling carriage, the base station is to radio network controller request allocation of channel resources may; Or, send " channel is set up request " to RNC according to this local resource operating position.
25. by the described method of claim 24, it is characterized in that the affirmation message of RNC is received in described base station after, send " traffic-channel assignment " signal to travelling carriage, radio communication is just carried out at the related service channel in travelling carriage and base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410095704 CN1780457A (en) | 2004-11-24 | 2004-11-24 | Wireless channel resource allocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410095704 CN1780457A (en) | 2004-11-24 | 2004-11-24 | Wireless channel resource allocation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1780457A true CN1780457A (en) | 2006-05-31 |
Family
ID=36770530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410095704 Pending CN1780457A (en) | 2004-11-24 | 2004-11-24 | Wireless channel resource allocation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1780457A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009062389A1 (en) * | 2007-11-02 | 2009-05-22 | China Mobile Communications Corporation | Resource scheduling method and corresponding apparatus |
| CN101606347A (en) * | 2007-04-11 | 2009-12-16 | Lg电子株式会社 | In the TDD system, send the method for schedule information |
| CN101682451A (en) * | 2007-06-01 | 2010-03-24 | 三星电子株式会社 | Methods and apparatus for mapping modulation symbols to resources in OFDM systems |
| WO2010034208A1 (en) * | 2008-09-25 | 2010-04-01 | 中兴通讯股份有限公司 | Method for processing uplink random access resources and equipment |
| CN101132600B (en) * | 2006-08-21 | 2010-04-21 | 财团法人工业技术研究院 | Dynamic channel allocation method and device in wireless network |
| CN101461268B (en) * | 2006-06-01 | 2011-06-01 | 卢森特技术有限公司 | Coordinating transmission scheduling among multiple base stations |
| CN102215493A (en) * | 2011-06-01 | 2011-10-12 | 中兴通讯股份有限公司 | Method and device for dynamically controlling base station resources in mobile communication system and base station |
| CN102238738A (en) * | 2010-04-21 | 2011-11-09 | 中兴通讯股份有限公司 | Cross-carrier scheduling method and device |
| CN101277148B (en) * | 2008-05-13 | 2012-01-04 | 华为技术有限公司 | Method for distributing upstream band width, equipment, base station controller as well as radio transmission system |
| CN102342162A (en) * | 2009-06-09 | 2012-02-01 | Lg电子株式会社 | Method of channel resource allocation and devices in wireless networks |
| CN101400128B (en) * | 2007-09-26 | 2012-04-25 | 大唐移动通信设备有限公司 | Method and device for wireless timeslot allocation in time division duplexing mobile communication system |
| CN102547802A (en) * | 2010-12-16 | 2012-07-04 | 宏达国际电子股份有限公司 | Method for processing interference rejection in neterogeny network and communication apparatus thereof |
| CN102577574A (en) * | 2009-08-17 | 2012-07-11 | 皇家飞利浦电子股份有限公司 | Method for transmitting data in a wireless network, and wireless network therefor |
| CN102752858A (en) * | 2011-04-19 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for configuring and sending random access channel resource |
| US8879411B2 (en) | 2010-12-16 | 2014-11-04 | Htc Corporation | Method of handling interference mitigation in heterogeneous network by channel measurement and related communication device |
| US9167562B2 (en) | 2009-06-09 | 2015-10-20 | Lg Electronics Inc. | Method of channel resource allocation and devices in wireless networks |
| CN105264795A (en) * | 2013-12-31 | 2016-01-20 | 华为技术有限公司 | Registration activation method, device and system for orthogonal frequency division multiplexing passive optical network |
| CN106412947A (en) * | 2015-07-31 | 2017-02-15 | 华为技术有限公司 | Interference-eliminating method, user equipment and base station |
| WO2018059202A1 (en) * | 2016-09-28 | 2018-04-05 | 华为技术有限公司 | Method and device for information transmission |
| CN108243504A (en) * | 2017-12-31 | 2018-07-03 | 深圳中科讯联科技股份有限公司 | A kind of cluster communication management method, receiver, terminal and system based on channel pool |
| CN110504987A (en) * | 2019-07-30 | 2019-11-26 | 北京大学 | Resource allocation and cut-in method in a kind of open wireless channel |
| CN111669828A (en) * | 2017-12-26 | 2020-09-15 | Oppo广东移动通信有限公司 | Data transmission method and device and computer storage medium |
-
2004
- 2004-11-24 CN CN 200410095704 patent/CN1780457A/en active Pending
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461268B (en) * | 2006-06-01 | 2011-06-01 | 卢森特技术有限公司 | Coordinating transmission scheduling among multiple base stations |
| CN101132600B (en) * | 2006-08-21 | 2010-04-21 | 财团法人工业技术研究院 | Dynamic channel allocation method and device in wireless network |
| CN101606347A (en) * | 2007-04-11 | 2009-12-16 | Lg电子株式会社 | In the TDD system, send the method for schedule information |
| US9474060B2 (en) | 2007-04-11 | 2016-10-18 | Lg Electronics Inc. | Method of transmitting scheduling information in TDD system |
| US9071400B2 (en) | 2007-04-11 | 2015-06-30 | Lg Electronics Inc. | Method of transmitting scheduling information in TDD system |
| CN101682451A (en) * | 2007-06-01 | 2010-03-24 | 三星电子株式会社 | Methods and apparatus for mapping modulation symbols to resources in OFDM systems |
| CN101682451B (en) * | 2007-06-01 | 2013-05-22 | 三星电子株式会社 | Methods and apparatus for mapping modulation symbols to resources in OFDM systems |
| CN101400128B (en) * | 2007-09-26 | 2012-04-25 | 大唐移动通信设备有限公司 | Method and device for wireless timeslot allocation in time division duplexing mobile communication system |
| WO2009062389A1 (en) * | 2007-11-02 | 2009-05-22 | China Mobile Communications Corporation | Resource scheduling method and corresponding apparatus |
| CN101426267B (en) * | 2007-11-02 | 2013-11-06 | 中国移动通信集团公司 | Resource scheduling method and apparatus |
| CN101277148B (en) * | 2008-05-13 | 2012-01-04 | 华为技术有限公司 | Method for distributing upstream band width, equipment, base station controller as well as radio transmission system |
| WO2010034208A1 (en) * | 2008-09-25 | 2010-04-01 | 中兴通讯股份有限公司 | Method for processing uplink random access resources and equipment |
| CN102342162B (en) * | 2009-06-09 | 2016-05-04 | Lg电子株式会社 | Channel resource allocation method in wireless network and equipment |
| US9167562B2 (en) | 2009-06-09 | 2015-10-20 | Lg Electronics Inc. | Method of channel resource allocation and devices in wireless networks |
| CN102342162A (en) * | 2009-06-09 | 2012-02-01 | Lg电子株式会社 | Method of channel resource allocation and devices in wireless networks |
| CN102577574A (en) * | 2009-08-17 | 2012-07-11 | 皇家飞利浦电子股份有限公司 | Method for transmitting data in a wireless network, and wireless network therefor |
| CN102238738A (en) * | 2010-04-21 | 2011-11-09 | 中兴通讯股份有限公司 | Cross-carrier scheduling method and device |
| US8879411B2 (en) | 2010-12-16 | 2014-11-04 | Htc Corporation | Method of handling interference mitigation in heterogeneous network by channel measurement and related communication device |
| CN102547802B (en) * | 2010-12-16 | 2016-01-20 | 宏达国际电子股份有限公司 | Process method and the communicator thereof of AF panel in heterogeneous network |
| CN102547802A (en) * | 2010-12-16 | 2012-07-04 | 宏达国际电子股份有限公司 | Method for processing interference rejection in neterogeny network and communication apparatus thereof |
| CN102752858B (en) * | 2011-04-19 | 2017-06-13 | 中兴通讯股份有限公司 | A kind of random access channel resource configuration and the method and system for sending |
| CN102752858A (en) * | 2011-04-19 | 2012-10-24 | 中兴通讯股份有限公司 | Method and system for configuring and sending random access channel resource |
| CN102215493A (en) * | 2011-06-01 | 2011-10-12 | 中兴通讯股份有限公司 | Method and device for dynamically controlling base station resources in mobile communication system and base station |
| CN105264795B (en) * | 2013-12-31 | 2018-04-20 | 华为技术有限公司 | Orthogonal frequency division multiplexing passive optical network registration activation method, device and system |
| CN105264795A (en) * | 2013-12-31 | 2016-01-20 | 华为技术有限公司 | Registration activation method, device and system for orthogonal frequency division multiplexing passive optical network |
| CN106412947A (en) * | 2015-07-31 | 2017-02-15 | 华为技术有限公司 | Interference-eliminating method, user equipment and base station |
| CN106412947B (en) * | 2015-07-31 | 2019-11-01 | 华为技术有限公司 | The removing method and user equipment of a kind of interference and base station |
| WO2018059202A1 (en) * | 2016-09-28 | 2018-04-05 | 华为技术有限公司 | Method and device for information transmission |
| US11303400B2 (en) | 2016-09-28 | 2022-04-12 | Huawei Technologies Co., Ltd. | Information transmission method and apparatus |
| US11476983B2 (en) | 2016-09-28 | 2022-10-18 | Huawei Technologies Co., Ltd. | Information transmission method and apparatus |
| CN111669828A (en) * | 2017-12-26 | 2020-09-15 | Oppo广东移动通信有限公司 | Data transmission method and device and computer storage medium |
| US11696316B2 (en) | 2017-12-26 | 2023-07-04 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Data transmission method and apparatus and computer storage medium |
| CN108243504A (en) * | 2017-12-31 | 2018-07-03 | 深圳中科讯联科技股份有限公司 | A kind of cluster communication management method, receiver, terminal and system based on channel pool |
| CN110504987A (en) * | 2019-07-30 | 2019-11-26 | 北京大学 | Resource allocation and cut-in method in a kind of open wireless channel |
| CN110504987B (en) * | 2019-07-30 | 2020-11-06 | 北京大学 | Resource allocation and access method in open wireless channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1780457A (en) | Wireless channel resource allocation | |
| US8630243B2 (en) | Base station and method used in mobile communications system | |
| KR100871300B1 (en) | Variable rate broadcast with soft handoff | |
| US8040815B2 (en) | Spectrum coordination controller | |
| CN1620177A (en) | Apparatus and method for allocating channel in a wireless communication system | |
| CN1930803A (en) | System and method for managing a band amc subchannel in an orthogonal frequency division multiple access communication system | |
| CN1762117A (en) | Method and apparatus for reducing co-channel interference in a communication system | |
| CN1902972A (en) | Layered reuse for a wireless communication system | |
| CN101056156A (en) | A channel quality feedback method and its user terminal and system | |
| CN1358037A (en) | Time interval distributing method and device in mobile communication system | |
| CN101039160A (en) | Multiplexing system, method for sharing control channel resource and reception equipment thereof | |
| CN1400805A (en) | Movable communication system, base station equipment and movable communication system controlling method | |
| WO2014110904A1 (en) | Method and base station for performing interference coordination in lte trunking communication system | |
| CN1151238A (en) | Method of accessing a packet in a cellular digital radio system | |
| CN102047720A (en) | Mobile communication system, and method of allocating wireless resource | |
| CN1344475A (en) | Method and base station for allocating channel required for radio transmission | |
| CN1909539A (en) | Sub-carrier distribution method for crossing frequency division multiplexing system | |
| KR101337019B1 (en) | Method and apparatus for radio resource allocation in an orthogonal frequency division multiplexing communication system | |
| CN107666711B (en) | Downlink resource configuration method and device | |
| CN101043715A (en) | Method of uplink channel distribution | |
| CN1780458A (en) | Wireless channel resource allocation based on time frequency | |
| CN1968452A (en) | Apparatus and method for providing notification of allocation of communication resources in a radio communication system | |
| CN1581732A (en) | Communication method in radio honeycomb communication system | |
| CN101437292B (en) | Method and apparatus for scheduling time frequency resource of OFDM system | |
| CN1787678A (en) | Method for dynamic channel allocation of multi carrier time division duplex communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20060531 |