CN101931877A - Configuration indicating method for unicast business control channel and information transmitting and receiving method - Google Patents
Configuration indicating method for unicast business control channel and information transmitting and receiving method Download PDFInfo
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Abstract
The invention discloses a configuration indicating method for a unicast business control channel and an information transmitting and receiving method. In the configuration indicating method for a unicast business control channel, a base station transmits broadcast control information and carries information for indicating a preferential frequency zone in the broadcast control information, wherein the preferential frequency zone comprises a unicast business control channel which needs to be received at first by a terminal. By indicating the frequency zone for transmitting the unicast business control channel, the invention is convenient for the terminal to rapidly decode the control information in the indicated frequency zone, thereby reducing processing time delay and complexity.
Description
Technical field
The present invention relates to the communications field, particularly, relate to configuration indicating method, the information sending and receiving method of unicast business control channel.
Background technology
In wireless communication system, down control channel generally comprises Broadcast Control Channel, unicast business control channel etc.The base station is at important parameter and the system basic configuration information of Broadcast Control Channel to the terminal transmitting system.The scheduling and the distribution of Radio Resource finished in the base station, send single terminal use or one group of control information that the terminal use is proprietary by unicast business control channel, these information comprise resource allocation information, terminal transmit power adjustment information, the mix automatic repeat requests feedback information etc. of (hybrid automatic repeat request abbreviates HARQ as).
Terminal receives on the down control channel of determining and decodes from the control messages of base station, and carries out transfer of data according to these indication informations and base station.Except sending the proprietary control information of unique user or one group of user, also send the proprietary control information of non-user on the unicast business control channel.It is proprietary that the proprietary control information of non-user does not belong to one or one group of specific terminal use, is mainly used in the decoded information of indication user proprietary control information.The terminal use need be correctly decoded the non-user proprietary control information in the unicast business control channel earlier, just can obtain the decoded information of user proprietary control information, and then carries out transfer of data according to the indication and the base station of user proprietary control information.
At present, along with interference mitigation technology (FractionalFrequency Reuse based on partial frequency multiplexing, abbreviate FFR as) and Multimedia Broadcast Multicast Service technology (Multicast andBroadcast Service, abbreviate MBS as) application, in the new wireless communication system resource is divided into a plurality of frequency partition on frequency domain, each frequency partition comprises some resources.The purposes difference of each frequency partition, control informations such as its pairing scheduling are also just different.In order to make the terminal descending control information of unicast service of can successfully decoding apace, need be according to the sending method that should be used for designing unicast business control channel of frequency partition.Yet, the solution at the unicast business control channel of a plurality of frequency partition is not proposed at present as yet.
Summary of the invention
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
According to an aspect of the present invention, a kind of configuration indicating method of unicast business control channel is provided, this method comprises: the base station sends broadcast control information, and in broadcast control information, carry the information that is used to indicate the preferential frequencies subregion, wherein, comprise the unicast business control channel that terminal need at first receive in the preferential frequencies subregion.
Preferably, said method also comprises: the unicast business control channel that comprises in the preferential frequencies subregion is unique unicast business control channel that the base station sends.Further preferably, said method also comprises: the base station is the unicast traffic control information on the unicast business control channel that the preferential frequencies subregion comprises, and in control information of unicast service, carry first indication information, wherein, first indication information is used to indicate one or more other frequency partition that comprise unicast business control channel.
Preferably, comprise non-user proprietary control information in the control information of unicast service, and first indication information is carried in the non-user proprietary control information.Preferably, non-user proprietary control information also is used to indicate following information one of at least: mix the decoded information of automatic repeat requests FEEDBACK CONTROL channel, the decoded information of power control channel, the decoded information of resource allocation control channel.
Preferably, said method also comprises: unicast traffic control information on the unicast business control channel that the frequency partition that indicate at first indication information base station comprises wherein, comprises non-user proprietary control information in the control information of unicast service.
Preferably, non-user proprietary control information also is used to indicate the decoded information of resource allocation control channel; Perhaps, be used to indicate following information: mix the decoded information of automatic repeat requests FEEDBACK CONTROL channel, the decoded information of power control channel and the decoded information of resource allocation control channel.
Preferably, the decoded information that mixes automatic repeat requests FEEDBACK CONTROL channel comprise following one of at least: mix automatic repeat requests FEEDBACK CONTROL channel size, mix automatic repeat requests feedback control information number, mix the modulation coding mode of automatic repeat requests feedback control information; And/or, the decoded information of power control channel comprise following one of at least: the modulation coding mode of the size of power control channel, the number of power control information, power control information, the number of repetition of power control information; And/or, the decoded information of resource allocation control channel comprise following one of at least: the resource allocation control information is according to the grouping information of modulation coding mode and shared resource size, the resource allocation control information number according to resource allocation control information in the grouping information of shared resource size, each grouping.
Preferably, select one of at least the preferential frequencies subregion according to following factor: the transmit control channel level of power of the interference level of system, the tensity of system bandwidth, system.
Preferably, the preferential frequencies subregion is one of following: frequency duplex factor as one is that 1 frequency partition, frequency duplex factor as one are 3 and the frequency partition of base station transmitting power maximum.
According to a further aspect in the invention, provide a kind of control information of unicast service sending method, this method comprises: the base station sends broadcast control information, and carries the information that is used to indicate the preferential frequencies subregion in broadcast control information; The base station is the unicast traffic control information on the unicast business control channel of preferential frequencies subregion.
Preferably, carry in the control information of unicast service in order to indicate the information of other frequency partition; This method also comprises: the base station is the unicast traffic control information on the unicast business control channel of other frequency partition.
In accordance with a further aspect of the present invention, provide a kind of control information of unicast service method of reseptance, this method comprises:
Terminal is obtained the broadcast control information from the base station, and obtains and carry indication information in the broadcast control information, and wherein, indication information is a preferential frequencies subregion identification information; Terminal receives unicast business control channel in the preferential frequencies subregion of indication information indication, obtain control information of unicast service from unicast business control channel.
Preferably, carry first indication information in the control information of unicast service, wherein, first indication information is the frequency partition identification information; This method also comprises: terminal receives unicast business control channel in the frequency partition of first indication information indication, obtains control information of unicast service from unicast business control channel.
According to another aspect of the invention, also provide a kind of base station, this base station comprises:
First reflector is used to send broadcast control information, and carries the information that is used to indicate the preferential frequencies subregion in broadcast control information, and wherein, the preferential frequencies subregion is the frequency partition that terminal at first will receive operation to it; Second reflector is used for unicast traffic control information on the unicast business control channel of preferential frequencies subregion.
By above-mentioned at least one technical scheme provided by the invention,, be convenient to the control information in the indicated frequency partition of terminal fast decoding, thereby can reduce processing delay and complexity by the frequency partition of unicast traffic control channel is indicated.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the IEEE 802.16m physical frame structure of the wireless communication system of correlation technique;
Fig. 2 is the schematic diagram that is applied to the partial frequency multiplexing technology according to a plurality of frequency partition of correlation technique;
Fig. 3 is the structural representation according to the unicast business control channel of the preferential frequencies subregion of correlation technique;
Fig. 4 be base station according to the embodiment of the invention to terminal transmitting system broadcast control information and control information of unicast service, the schematic diagram of the processing of decoding terminals control information;
Fig. 5 is the flow chart according to the embodiment of the invention one;
Fig. 6 is the flow chart according to the embodiment of the invention two.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described.If do not conflict, the feature among the embodiment of the invention and the embodiment can make up mutually.
Fig. 1 shows the frame structure of IEEE 802.16m system.As shown in Figure 1, Radio Resource is divided into continuous superframe in time, and the duration of each superframe is 20 milliseconds.45 milliseconds frame is arranged in each superframe, and frame is made up of 8 subframes, and each subframe comprises several OFDM (Orthogonal Frequency Division Multiple, OFDM) symbol.
When Fig. 2 shows applying portion channeling technology, the transmitting power of the division of the frequency partition of three adjacent sectors and each frequency partition.As shown in Figure 2, the resource of descending sub frame is divided into A, B, four segmentations of C, D on frequency, respectively corresponding four frequency partition comprise several Resource Block in each frequency partition.Wherein, the frequency duplex factor as one of frequency partition 2,3,4 is 3, that is, the resource of sector 1 frequency of utilization segmentation B is not used the resource of segmentation C and D, and perhaps, the transmitting power on segmentation C and D is limited within the specific limits.Similarly, the resource of sector 2 frequency of utilization segmentation C is not used the resource of segmentation B and D, and perhaps, the transmitting power on segmentation B and D is limited within the specific limits; The resource of sector 3 frequency of utilization segmentation D is not used the resource of segmentation B and C, and perhaps, the transmitting power on segmentation B and C is limited within the specific limits.The frequency duplex factor as one of frequency segmentation A is 1, that is, three adjacent sectors, that is, this band frequency resource can be used in sector 1, sector 2, sector 3, and transmitting power is unrestricted.
Fig. 3 shows the unicast business control channel structure according to the preferential frequencies subregion of the embodiment of the invention.As shown in Figure 3, unicast business control channel comprises the proprietary control channel of non-user, HARQ FEEDBACK CONTROL channel, power control channel, resource allocation control channel, is respectively applied for to send non-user proprietary control information, HARQ feedback control information, power control information, resource allocation control information.
According to the embodiment of the invention, a kind of unicast business control channel collocation method is provided, in the method, indication necessarily comprises the frequency partition of unicast business control channel in the system broadcasts control information, is called the preferential frequencies subregion.At this moment, give tacit consent to and do not comprise unicast business control channel in other frequency partition, perhaps, in the preferential frequencies subregion, whether comprise unicast business control channel in other frequency partition of indication.Particularly, the base station can be according to system situation, for example, which frequency partition is the transmit control channel level etc. of power of the interference level of system, the tensity of system bandwidth, system decide as the preferential frequencies subregion, and whether at other frequency partition unicast traffic control channels.
For terminal, terminal receives and the resolution system broadcast control information, and the control information of unicast service that in the preferential frequencies subregion of system broadcasts control information appointment, sends on the parsing unicast business control channel, perhaps, in this control information of unicast service, resolve the control information of unicast service of other frequency partition further on other frequency partition of appointment, and then carry out transfer of data with the base station.
Fig. 4 shows the base station and sends broadcast control message and unicast service control messages to terminal, and terminal receives the also flow process of decoding control information.As shown in Figure 4, specifically comprise following processing:
Step S401, the base station is to terminal transmitting system broadcast control information, the important parameter of descriptive system and system's basic configuration information.When the downstream frequency resource is divided into a plurality of frequency partition, and when a plurality of frequency partition are used for the partial frequency multiplexing technology, preferably, the base station is according to the interference level of system, bandwidth tensity, transmit power level etc., be that 1 frequency partition is as the preferential frequencies subregion with frequency duplex factor as one, perhaps, with frequency duplex factor as one be 3 and the frequency partition of transmitting power maximum as the preferential frequencies subregion.Like this, the requirement of interference mitigation technology can be satisfied, and system resource can be made full use of.
Which frequency partition is indicated in the system broadcasts control information as the preferential frequencies subregion base station, and the base station will be at least in this preferential frequencies subregion unicast traffic control information.
Step S402, the base station is at preferential frequencies subregion unicast traffic control channel.Preferably, the base station is according to interference level, bandwidth tensity, transmit power level and the scheduling of resource situation etc. of system, and whether decision is at other frequency partition unicast traffic control channels.Comprise non-user proprietary control information, HARQ feedback information, power control information, resource allocation control information in the control information of unicast service of preferential frequencies subregion.Wherein, preferably, can indicate other frequency partition whether to comprise unicast business control channel at non-user proprietary control information.Control information of unicast service in the unicast business control channel of other frequency partition comprises non-user proprietary control information, resource allocation control information, also can comprise HARQ feedback information and power control information.
Step S403, terminal receives and the decode system broadcast control message, obtains system's basic configuration information.Resolve the non-user proprietary control information that sends on the unicast business control channel in the preferential frequencies subregion of terminal appointment in the system broadcasts control information, and on non-user proprietary control information frequency appointed subregion, resolve the control information of unicast service of other frequency partition.
Step S404, the control information of unicast service of terminal parses preferential frequencies subregion and other frequency partition further by resolving non-user proprietary control information, obtains the decoded information of HARQ feedback channel, power control channel, resource allocation control channel.
Step S405, terminal is resolved HARQ feedback information, power control information, resource allocation control information respectively on HARQ feedback channel, power control channel, resource allocation control channel, carry out transfer of data according to the indication and the base station of these information.
Below further combined with preferred embodiment the present invention is described.
Embodiment one:
Fig. 5 is the flow chart according to the control information of unicast service process of transmitting of the embodiment of the invention one.In processing shown in Figure 5, downlink resource corresponding to four frequency partition, is represented with frequency partition 1, frequency partition 2, frequency partition 3, frequency partition 4 respectively on frequency domain.Sector 1 with frequency duplex factor as one be 1 frequency partition 1 as the preferential frequencies subregion, perhaps, be 3 and the frequency partition 2 of transmitting power maximum and as the preferential frequencies subregion, other three frequency partition do not comprise unicast business control channel with frequency duplex factor as one.
Example 1
The multiplexing factor of frequency partition 1 is 1, and the multiplexing factor of frequency partition 2, frequency partition 3 and frequency partition 4 is 3.Current system interference level is lower, the system bandwidth anxiety, therefore, the base station is the preferential frequencies subregion of frequency partition 1 as sector 1, and on frequency partition 1 the unicast traffic control channel, in other frequency partition ( frequency partition 2,3,4) unicast traffic control channel not on.Indicate frequency partition 1 as the preferential frequencies subregion to terminal transmitting system broadcast the base station.
Step S501, the base station sends non-user proprietary control information on the proprietary control channel of non-user of the unicast business control channel of frequency partition 1, indication not unicast traffic control information in other frequency partition.
Wherein, the non-user proprietary control information in the unicast business control channel of frequency partition 1 has been described the decoded information that other frequency partition do not comprise control information of unicast service, HARQ feedback channel, power control channel and resource allocation control channel.Theing contents are as follows shown in the form of non-user proprietary control information:
In this example, following indication is carried out in the base station: the shared size of HARQ feedback channel is 1 Resource Block, and the modulation coding mode of HARQ feedback information is QPSK 1/2; The shared size of power control channel is 1 Resource Block, and the modulation coding mode of power control information is QPSK 1/2, repeats 2 times; The resource allocation control information is divided into 4 groups, does not have extended resource allocation control information grouping; Comprising 2 modulation coding modes in first group is that QPSK1/4, resource size are the resource allocation control information of 1 micrologic Resource Block; Comprising 2 modulation coding modes in second group is that QPSK 1/4, resource size are the resource allocation control information of 2 micrologic Resource Block; Comprising 1 modulation coding mode in the 3rd group is that QPSK1/4, resource size are the resource allocation control information of 4 micrologic Resource Block; Comprising 1 modulation coding mode in the 4th group is that QPSK 1/4, resource size are the resource allocation control information of 8 micrologic Resource Block.
Step S502, terminal receives and the decode system broadcast control information, knows that there are 4 frequency partition in system, and knows that the preferential frequencies subregion is a frequency partition 1.
Step S503, terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 1, know that other frequency partition do not comprise unicast business control channel.
Step S504, terminal is carried out parse operation, and particularly: (1) resolves the decoded information of HARQ control channel according to the indication of non-user proprietary control information, and then the HARQ feedback information on the decoding HARQ feedback channel; (2) according to the indication of non-user proprietary control information, resolve the decoded information of power control channel, and then the power control information on the decoding power control channel; (3) according to the indication of non-user proprietary control information, resolving resource distributes the decoded information of control information, and then according to the modulation coding mode of each grouping and the resource size blind Detecting resource allocation control information of single resource allocation control information.
Example 2
Four frequency partition are arranged in the system, and the multiplexing factor of frequency partition 1 is 1, and the multiplexing factor of frequency partition 2, frequency partition 3 and frequency partition 4 is 3.Current system interference level is higher, and system load is low, therefore, the base station is the preferential frequencies subregion of frequency partition 2 as sector 1, and on frequency partition 2 the unicast traffic control channel, in other frequency partition ( frequency partition 1,3,4) unicast traffic control channel not on.Indicate frequency partition 2 as the preferential frequencies subregion to terminal transmitting system broadcast the base station.
Step S501, the base station sends non-user proprietary control information on the proprietary control channel of non-user of frequency partition 2, indicate not unicast traffic control information in other frequency partition.
Wherein, the non-user proprietary control information in the unicast business control channel of frequency partition 2 is described the decoded information that other frequency partition do not comprise control information of unicast service, HARQ feedback channel, power control channel and resource allocation control channel.
In this example, following indication is carried out in the base station: the shared size of HARQ feedback channel is 2 Resource Block, and the modulation coding mode of HARQ feedback information is BPSK; The shared size of indicated horsepower control channel is 1 Resource Block, and the modulation coding mode of power control information is QPSK 1/2, repeats 2 times; Indexed resource distributes control information to be divided into 4 groups, and extended resource allocation information is divided into 2 groups: comprising 2 modulation coding modes in first group is that QPSK1/2, resource size are the resource allocation control information of 1 micrologic Resource Block; Comprising 1 modulation coding mode in second group is that QPSK 1/8, resource size are the resource allocation control information of 2 micrologic Resource Block; Comprising 1 modulation coding mode in the 3rd group is that QPSK1/8, resource size are the resource allocation control information of 4 micrologic Resource Block; Comprising 1 modulation coding mode in the 4th group is that QPSK 1/4, resource size are the resource allocation control information of 8 micrologic Resource Block.Comprising 2 modulation coding modes in first expanded set is QPSK 1/2, and resource size is 3 resource allocation control informations that the micrologic resource is fast.Comprising 1 modulation coding mode in second expanded set is QPSK 1/4, and resource size is 5 resource allocation control informations that the micrologic resource is fast.
Step S502, terminal receives and the decode system broadcast control information, knows that there are 4 frequency partition in system, and knows that the preferential frequencies subregion is a frequency partition 2.
Step S503, terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 2, know that other frequency partition do not comprise unicast business control channel.
Step S504, terminal is carried out parse operation, and particularly, (1) resolves the decoded information of HARQ control channel according to the indication of non-user proprietary control information, and then the HARQ feedback information on the decoding HARQ feedback channel; (2) according to the indication of non-user proprietary control information, resolve the decoded information of power control channel, and then the power control information on the decoding power control channel; (3) according to the indication of non-user proprietary control information, resolving resource distributes the decoded information of control information, and then according to the modulation coding mode of each grouping and the resource size blind Detecting resource allocation control information of single resource allocation control information.
Embodiment two
Fig. 6 is the schematic diagram according to the control information of unicast service process of transmitting of the embodiment of the invention two.Wherein, four frequency partition are arranged in the system, represent with frequency partition 1, frequency partition 2, frequency partition 3, frequency partition 4 respectively, wherein, the multiplexing factor of frequency partition 1 is 1, and the multiplexing factor of frequency partition 2, frequency partition 3 and frequency partition 4 is 3.
Example 3
Current system interference level is medium, and the system load degree is medium, therefore, the base station is the preferential frequencies subregion of frequency partition 1 as sector 1, and on frequency partition 1 the unicast traffic control channel, in other frequency partition ( frequency partition 2,3,4) unicast traffic control channel all on.As shown in Figure 6, have following processing:
Step S601, indicate frequency partition 1 as the preferential frequencies subregion to terminal transmitting system broadcast the base station.
Particularly, the base station sends non-user proprietary control information on the proprietary control channel of non-user of the unicast business control channel of frequency partition 1, unicast traffic control information in the indication frequency partition 2, not unicast traffic control information in frequency partition 3 and the frequency partition 4.Non-user proprietary control information in the unicast business control channel of frequency partition 1 is described the decoded information of HARQ feedback channel, power control channel and resource allocation control channel.The unicast business control channel of frequency partition 2 only comprises resource allocation control channel and the proprietary control channel of non-user.
Preferably, following indication is carried out in the base station in the non-user proprietary control information of preferential frequencies subregion: the shared size of HARQ feedback channel is 1 Resource Block, and the modulation coding mode of HARQ feedback information is QPSK 1/2; The shared size of power control channel is 1 Resource Block, and the modulation coding mode of power control information is QPSK 1/2, repeats 4 times; The decoded information of the resource allocation control information of frequency partition 1, frequency partition 3 and frequency partition 4; The decoded information of the resource allocation control information of frequency partition 2.
Step S602, terminal receives and the decode system broadcast control information, knows that there are 4 frequency partition in system, and knows that the preferential frequencies subregion is a frequency partition 1.
Step S603, terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 1, know that frequency partition 2 comprises unicast business control channel, and frequency partition 3 and frequency partition 4 do not comprise unicast business control channel.Terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 2.
Step S604, terminal is carried out parse operation, and particularly, (1) resolves the decoded information of HARQ control channel according to the indication of the non-user proprietary control information in the frequency partition 1, and then the HARQ feedback information on the decoding HARQ feedback channel; (2) according to the indication of non-user proprietary control information in the frequency partition 1, resolve the decoded information of power control channel, and then the power control information on the decoding power control channel; (3) according to the indication of the non-user proprietary control information of frequency partition 1, the decoded information of the resource allocation control information of analytic frequency subregion 1, frequency partition 3 and frequency partition 4, and then according to the modulation coding mode of each grouping and the resource size blind Detecting resource control information of single resource control information; (4) terminal is according to the indication of frequency partition 2 non-user proprietary control informations, the decoding of the resource allocation control information of analytic frequency subregion 2 letter, terminal and then according to the resource allocation control information in the resource size blind Detecting frequency partition 2 of the modulation coding mode of each grouping and single resource allocation control information.
Example 4
Current system interference level is higher, and system load is higher, and the base station is with the preferential frequencies subregion of frequency partition 2 as sector 1, and unicast traffic control channel on frequency partition 2, unicast traffic control channel all on other frequency partition ( frequency partition 1,3,4) in addition.
Step S601, indicate frequency partition 2 as the preferential frequencies subregion to terminal transmitting system broadcast the base station.
Particularly, the base station sends non-user proprietary control information on the proprietary control channel of non-user of frequency partition 2, indicate other frequency partition all to comprise unicast business control channel.Non-user proprietary control information in the unicast business control channel of each frequency partition is described the decoded information of HARQ feedback channel, power control channel and resource allocation control channel respectively.
Step S602, terminal receives and the decode system broadcast control information, knows that there are 4 frequency partition in system, and knows that the preferential frequencies subregion is a frequency partition 2.
Step S603, terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 2, know that other frequency partition comprise unicast business control channel.Terminal is resolved non-user proprietary control information in the clean culture control channel of frequency partition 1, frequency partition 3 and frequency partition 4.
Step S604, terminal is carried out decode operation according to non-user proprietary control information, particularly, (1) according to the indication of non-user proprietary control information in each frequency partition, resolve the decoded information of the HARQ control channel of each frequency partition, and then the HARQ feedback information on the decoding HARQ feedback channel; (2) according to the indication of non-user proprietary control information in each frequency partition, resolve the decoded information of the power control channel of each frequency partition, and then the power control information on the decoding power control channel; (3) terminal is according to the indication of non-user proprietary control information in each frequency partition, resolve the decoded information of the resource allocation control information of each frequency partition, and then according to the modulation coding mode of each grouping and the resource size blind Detecting resource allocation control information of single resource allocation control information.
According to the embodiment of the invention, a kind of base station also is provided, this base station is used to realize above-mentioned unicast business control channel configuration indication process, control information of unicast service process of transmitting etc.Preferably, the function of this base station mainly realizes by several co-operating reflectors or antenna.For example, can be provided for sending first reflector of broadcast control information, carry the information that is used to indicate the preferential frequencies subregion in this broadcast control information, wherein, the preferential frequencies subregion here is the frequency partition that terminal at first will receive operation to it; Second reflector can also be set, be used for unicast traffic control information on the unicast business control channel of preferential frequencies subregion.The details of the control information of unicast service here can be understood with reference to embodiment above.According to system situation, only can determine at preferential frequencies subregion unicast traffic control channel, also can be in other frequency partition also unicast traffic control channel.If in other frequency partition also unicast traffic control channel, then need be in the control information of unicast service of preferential frequencies subregion, particularly, in the non-proprietary subscriber control information this is indicated, for example, have four frequency partition for one, frequency partition 0 is the situation of preferential frequencies subregion, can use three bits to represent other three frequency partition, if be 110, represent that then frequency partition 1 and frequency partition 2 want the unicast traffic control channel, and frequency partition 3 unicast traffic control channel not.
Above-mentioned at least one technical scheme by the embodiment of the invention provides can satisfy to disturb and suppress requirement so that terminal fast resolving control information of unicast service reduces processing delay and complexity, can improve system spectral efficiency again.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the configuration indicating method of a unicast business control channel is characterized in that, comprising:
The base station sends broadcast control information, and carries the information that is used to indicate the preferential frequencies subregion in described broadcast control information, wherein, comprises the unicast business control channel that terminal need at first receive in the described preferential frequencies subregion.
2. method according to claim 1 is characterized in that, also comprises:
The described unicast business control channel that comprises in the described preferential frequencies subregion is unique unicast business control channel that described base station sends.
3. method according to claim 1 is characterized in that, also comprises:
The unicast traffic control information on the unicast business control channel that described preferential frequencies subregion comprises of described base station, and in described control information of unicast service, carry first indication information, wherein, described first indication information is used to indicate one or more other frequency partition that comprise unicast business control channel.
4. method according to claim 3 is characterized in that, comprises non-user proprietary control information in the described control information of unicast service, and described first indication information is carried in the described non-user proprietary control information.
5. method according to claim 4, it is characterized in that described non-user proprietary control information also is used to indicate following information one of at least: mix the decoded information of automatic repeat requests FEEDBACK CONTROL channel, the decoded information of power control channel, the decoded information of resource allocation control channel.
6. method according to claim 3 is characterized in that, described method also comprises:
Unicast traffic control information on the unicast business control channel that the frequency partition that indicate at described first indication information described base station comprises wherein, comprises non-user proprietary control information in the described control information of unicast service.
7. method according to claim 6 is characterized in that described non-user proprietary control information also is used to indicate the decoded information of resource allocation control channel; Perhaps, be used to indicate following information: mix the decoded information of automatic repeat requests FEEDBACK CONTROL channel, the decoded information of power control channel and the decoded information of resource allocation control channel.
8. according to claim 5 or 7 described methods, it is characterized in that,
The decoded information of the automatic repeat requests FEEDBACK CONTROL of described mixing channel comprise following one of at least: mix automatic repeat requests FEEDBACK CONTROL channel size, mix automatic repeat requests feedback control information number, mix the modulation coding mode of automatic repeat requests feedback control information; And/or
The decoded information of described power control channel comprise following one of at least: the modulation coding mode of the size of power control channel, the number of power control information, power control information, the number of repetition of power control information; And/or
The decoded information of described resource allocation control channel comprise following one of at least: the resource allocation control information is according to the grouping information of modulation coding mode and shared resource size, the resource allocation control information number according to resource allocation control information in the grouping information of shared resource size, each grouping.
9. according to each described method in the claim 1 to 7, it is characterized in that, select one of at least described preferential frequencies subregion according to following factor:
The transmit control channel level of power of the interference level of system, the tensity of system bandwidth, system.
10. according to each described method in the claim 1 to 7, it is characterized in that described preferential frequencies subregion is one of following: frequency duplex factor as one is that 1 frequency partition, frequency duplex factor as one are 3 and the frequency partition of base station transmitting power maximum.
11. a control information of unicast service sending method is characterized in that, comprising:
The base station sends broadcast control information, and carries the information that is used to indicate the preferential frequencies subregion in described broadcast control information;
Described base station is the unicast traffic control information on the unicast business control channel of described preferential frequencies subregion.
12. method according to claim 11 is characterized in that, wherein, carries in the described control information of unicast service in order to indicate the information of other frequency partition; Described method also comprises: described base station is the unicast traffic control information on the unicast business control channel of described other frequency partition.
13. a control information of unicast service method of reseptance is characterized in that, comprising:
Terminal is obtained the broadcast control information from the base station, and obtains in the described broadcast control information and carry indication information, and wherein, described indication information is a preferential frequencies subregion identification information;
Described terminal receives unicast business control channel in the preferential frequencies subregion of described indication information indication, obtain control information of unicast service from described unicast business control channel.
14. method according to claim 13 is characterized in that, carries first indication information in the described control information of unicast service, wherein, described first indication information is the frequency partition identification information; Described method also comprises:
Described terminal receives unicast business control channel in the frequency partition of described first indication information indication, obtains control information of unicast service from described unicast business control channel.
15. a base station is characterized in that, comprising:
First reflector is used to send broadcast control information, and carries the information that is used to indicate the preferential frequencies subregion in described broadcast control information, and wherein, described preferential frequencies subregion is the frequency partition that terminal at first will receive operation to it;
Second reflector is used for unicast traffic control information on the unicast business control channel of described preferential frequencies subregion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910150231XA CN101931877A (en) | 2009-06-22 | 2009-06-22 | Configuration indicating method for unicast business control channel and information transmitting and receiving method |
| PCT/CN2010/074210 WO2010149020A1 (en) | 2009-06-22 | 2010-06-22 | Method for indicating configuration of unicast service control channel, method for sending and receiving information, and base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910150231XA CN101931877A (en) | 2009-06-22 | 2009-06-22 | Configuration indicating method for unicast business control channel and information transmitting and receiving method |
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| WO2010149020A1 (en) | 2010-12-29 |
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