CN101771950A - MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method - Google Patents
MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method Download PDFInfo
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Abstract
The invention discloses an MBS (Mutual Broadcasting System) control channel indication method, MBS data and an MBS subframe configuration information transmitting method, wherein the MBS control channel indication method comprises the following steps of: carrying out scheduling by the MBS by using an integral multiple of a superframe as a scheduling period, wherein the scheduling period comprises an MBS control channel; and carrying information for indicating whether the superframe contains the MBS control channel or not on broadcast channels of all superframes in the scheduling period. The technical scheme can efficiently indicate subframes and source distribution of an MBS service and meet the electricity saving requirement of a broadcast service terminal under a common carrier mode.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of Multimedia Broadcast Multicast Service (Multicast Broadcast Service abbreviates MBS as) control channel indicating means, MBS data transmission method for uplink and MBS subframe configuration information transmitting method in the system of broadband wireless communication.
Background technology
Mobile microwave inserts global-intercommunication (Worldwide Interoperability forMicrowave Access, abbreviate WiMAX as), Ultra-Mobile Broadband (Ultra MobileBroadband, abbreviate UMB as) and 3GPP Long Term Evolution (3GPP Long TermEvolution, abbreviate 3GPP LTE as) etc. wide-band mobile communication system of future generation all adopt the access mode of orthogonal frequency division multiplexing multiple access (Orthogonal Frequency Division MultipleAccess abbreviates OFDMA as) at down link.
Multimedia Broadcast Multicast Service (Multicast Broadcast Service abbreviates MBS as) adopts this technology can improve the utilance of Internet resources (especially air interface resource) for from the technology of a data source to a plurality of targets transmission data.Along with the popularization of the application of multimedia shared service, multicast and broadcast traffic transmissions seem particularly important for wide-band mobile communication system of future generation.
In order to adapt to the requirement of high-throughput, two-forty, the new generation broadband mobile communication system has all increased the bandwidth of bandwidth, considers backwards compatibility, and therefore, new system need support multicarrier.The carrying of MBS business can adopt dual mode to realize in multicarrier system: a kind of is the special carrier mode, and promptly the MBS business is monopolized all running time-frequency resources on certain carrier wave; Another kind of mode is to share carrier system, and promptly MBS business and unicast service are shared the running time-frequency resource on the carrier wave.At present, shared carrier system is to realize by certain subregion of unit frame being divided out in order to transmission MBS business.
In order to satisfy effective application of low deferred traffic in the NGBW communication system, three layers of mentality of designing of superframe, unit frame and subframe have mainly been considered in the design of frame structure, referring to shown in Figure 1, this structure and traditional frame structure have a great difference, therefore, can not utilize existing mode to realize the shared carrier wave of MBS business.Do not utilize superframe, unit frame and three layers of frame structure of subframe to indicate the method for the configuration information of MBS control channels and MBS subframe and have as yet at present.
Summary of the invention
In view of this, the invention provides a kind of improved Multimedia Broadcast Multicast Service implementation, in order to solve the problem that prior art can't realize MBS business and the shared carrier wave of unicast service at system of broadband wireless communication.
According to an aspect of the present invention, provide a kind of MBS control channel indicating means.
MBS control channel indicating means according to the present invention comprises: MBS is to dispatch dispatching cycle with the integral multiple of a superframe, wherein, comprises a MBS control channel in above-mentioned dispatching cycle; Carry this superframe of indication on the broadcast channel of each superframe in above-mentioned dispatching cycle and whether comprise the information of above-mentioned MBS control channel.
According to another aspect of the present invention, provide a kind of MBS data transmission method for uplink.
MBS data transmission method for uplink according to the present invention comprises: MBS business datum to be sent is assigned on each MBS subframe in a dispatching cycle in order; On the MBS of above-mentioned dispatching cycle control channel, send the MBS resource allocating message, wherein, carry the allocation order information of each MBS business datum on each MBS subframe in this MBS resource allocating message.
According to a further aspect of the invention, provide a kind of MBS subframe configuration information transmitting method.
MBS subframe configuration information transmitting method according to the present invention comprises: the configuration information that sends the MBS subframe in the dispatching cycle in the broadcast channel of the superframe that comprises the MBS control channel, wherein, this configuration information comprises: the interval that comprises the superframe of MBS subframe in dispatching cycle; Perhaps, send configuration information in the broadcast channel of each superframe in dispatching cycle, wherein, this configuration information comprises whether this superframe comprises the information of MBS subframe.
By above-mentioned at least one scheme of the present invention, whether comprise the MBS control channel by this superframe of indication in the broadcast channel of each superframe of a dispatching cycle, and the configuration information of the MBS subframe in should dispatching cycle, make terminal can obtain the MBS business datum that network side sends, realized the professional and shared carrier wave of unicast service of MBS in broadband wireless system, can indicate the subframe and the resource allocation of MBS business efficiently, guarantee to share the economize on electricity demand of the broadcasting service terminal under the carrier system.
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.
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 of three layers of frame structure in the system of broadband wireless communication;
Fig. 2 is the flow chart according to the Multimedia Broadcast Multicast Service implementation method of the embodiment of the invention;
Fig. 3 is the schematic diagram of frame structure among the embodiment one;
Fig. 4 is the schematic diagram of frame structure among the embodiment two;
Fig. 5 is the schematic diagram of frame structure among the embodiment three;
Fig. 6 is the schematic diagram of frame structure among the embodiment four;
Fig. 7 is the flow chart of embodiment five.
Embodiment
Functional overview
At having now to how realizing the shared carrier system of MBS under three layers of frame structure, to carry out the problem of the resource allocation of MBS efficiently, the embodiment of the invention has proposed a kind of improved MBS implementation, in this scheme, integral multiple with a superframe is dispatching cycle (also can be called scheduling interval), in this dispatching cycle, dispatch Multimedia Broadcast Multicast Service, and the broadcast message by each superframe in this dispatching cycle, to terminal send this superframe whether comprise the MBS control channel and should be in dispatching cycle the configuration information of MBS subframe, thereby guaranteed the economize on electricity demand of broadcasting service terminal, further reduced the performance impact of broadcast multi-broadcasting resource allocation simultaneously again unicast terminal.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Before the embodiment of the technical scheme that the embodiment of the invention is provided is described in detail, for the ease of the understanding of technical scheme that the embodiment of the invention is provided, three layers of frame structure that at first embodiment of the invention related to are done simple an introduction below.Fig. 1 is the composition schematic diagram of three layers of frame structure.As shown in Figure 1, superframe 101 is made up of 4 unit frame 102, and wherein, superframe control information 103 is positioned on several symbols that superframe begins to locate.Unit frame 102 is made up of 8 subframe unit 104, and subframe unit 104 is divided into descending sub frame unit and sub-frame of uplink unit, specifically can be configured according to system.Subframe unit 104 is made of 6 OFDM symbols 105.
According to the embodiment of the invention, at first provide a kind of MBS control channel indicating means.
Fig. 2 is the flow chart according to the MBS control channel indicating means of the embodiment of the invention, as shown in Figure 2, mainly may further comprise the steps (step S201-step S203) according to the MBS control channel indicating means of the embodiment of the invention:
Step S201:MBS is to dispatch dispatching cycle with the integral multiple of a superframe, wherein, comprises a MBS control channel in this dispatching cycle;
Step S203: carry the information whether this superframe of indication comprises above-mentioned MBS control channel on the broadcast channel of each superframe in dispatching cycle.
Further describe the details of above-mentioned each processing below.
(1) step S201
In specific implementation process, can be provided with dispatching cycle according to actual conditions, particularly, should be the integral multiple of a superframe dispatching cycle, and, in each dispatching cycle, comprise a MBS control channel,, can send the MBS resource allocating message to terminal by this MBS control channel.
In specific implementation process, the default running time-frequency resource position of first MBS subframe that the MBS control channel can be in dispatching cycle sends, or other position sends.
(2) step S203
Be used for indicating terminal and whether comprise the MBS control channel in order to make terminal can know a MBS control channel in dispatching cycle, need on the broadcast channel of each superframe in this dispatching cycle, to carry at each superframe.
In specific implementation process, when the default running time-frequency resource position of first the MBS subframe of network side in dispatching cycle sends the MBS control channel, obtain this superframe the broadcast channel of terminal each superframe in this dispatching cycle and whether comprise the MBS control channel, if comprise, then terminal can read the MBS control channel from the position of the default running time-frequency resource of first MBS subframe of this superframe.
Do not send the MBS control channel if network side is not the default running time-frequency resource position of first MBS subframe in dispatching cycle, then on the broadcast channel of each superframe, also carry the positional information of above-mentioned MBS control channel.That is, if comprise the MBS control channel in this superframe, then further indicate the more specific location information of MBS control channel in this superframe, terminal can be known the position of MBS control channel according to this positional information, thereby the MBS control channel is decoded.
In specific implementation process,, then carry the information that indication comprises the superframe of MBS control channel in the broadcast that can on the broadcast channel of this superframe, send if do not comprise the MBS control channel in certain superframe.Particularly, the information of the superframe at MBS control channel place can be the superframe sequence number or the part superframe sequence number of MBS control channel place superframe, also can be this superframe and count information with the relative superframe of MBS control channel place superframe, terminal is according to this information, can determine the superframe at MBS control channel place, thereby from this superframe, obtain the MBS control channel.
In specific implementation process, network side sends the MBS resource allocating message by above-mentioned MBS control channel, this MBS resource allocating message is used for indicating the MBS business configuration of dispatching cycle on each MBS subframe at its place, particularly, this MBS resource allocating message can adopt the mode of combined coding to encode.
In specific implementation process, can in the MBS resource allocating message, indicate each the MBS subframe in this dispatching cycle in the following manner:
(1) adopt Hyper Frame Number to add the MBS subframe numbers and indicate, wherein, Hyper Frame Number is the superframe sequence number of superframe in dispatching cycle at certain MBS subframe place, and the MBS subframe numbers is the sequence number of this MBS subframe in this superframe;
(2) according to mode all the MBS subframes in dispatching cycle are numbered respectively, indicate according to the numbering of each MBS subframe with the terminal agreement.Particularly, can be according to the MBS subframe distribution of each superframe in dispatching cycle, the MBS subframe in the MBS scheduling interval is sorted and number.
In specific implementation process, also can in the MBS resource allocating message, not carry the serial number information of concrete MBS subframe, and when network side sends the MBS business datum, according to a definite sequence MBS business datum to be sent is assigned on each MBS subframe in dispatching cycle, particularly, if a MBS business datum wraps in a MBS subframe and does not place, then continue on next MBS subframe, to place, then carry the allocation order information of each MBS business datum on each MBS subframe in the MBS resource allocating message that network side sends on the MBS control channel, perhaps, according in advance with the order assignment of the agreement of terminal.
After the processing of execution in step S203, this method also comprises:
Step S205: the configuration information that sends the MBS subframe in this dispatching cycle on the broadcast channel of the one or more superframes in dispatching cycle.
Particularly, the configuration information of the MBS subframe in this dispatching cycle that sends respectively on the broadcast channel of the one or more superframes in dispatching cycle comprises: whether each superframe in this dispatching cycle comprises the MBS subframe.
In specific implementation process, the mode that sends above-mentioned configuration information includes but not limited to following two kinds:
(1) send this configuration information in the broadcast channel of the superframe that comprises the MBS control channel, wherein, this configuration information comprises: the interval L that comprises the superframe of MBS subframe in dispatching cycle.For example, a MBS comprises N superframe dispatching cycle, and for the superframe that comprises the MBS control channel, its superframe sequence number is 0, and the sequence number of each superframe is followed successively by 0,1 ..., (N-1).The superframe that then comprises MBS is: 0, and L, 2L ....
(2) send this configuration information in the broadcast channel of the superframe of each in dispatching cycle, wherein, each configuration information comprises: whether this superframe comprises the information of MBS subframe.Particularly, whether this superframe comprises the information of MBS subframe can be by 1 bit identification, and for example, bit " 1 " expression superframe comprises the MBS subframe, does not comprise the MBS subframe in bit " 0 " the expression superframe.
In specific implementation process, network side can with in advance with the mode of terminal agreement, with the MBS sub-frame allocation in dispatching cycle in each superframe, then network side does not need broadcast related information to give terminal, terminal according to the position of MBS subframe agreement with from the MBS control channel, receive the MBS resource allocating message, the MBS business in each MBS subframe of decoding.
In addition, the position of the MBS subframe in each superframe also can dynamically be set, and therefore, for the superframe that comprises the MBS subframe, also comprises in the above-mentioned configuration information: comprise in the superframe of MBS subframe the positional information of MBS subframe in dispatching cycle.
In specific implementation process, the positional information of MBS subframe in superframe can be represented by the form of message bit pattern and/or MBS number of subframes information.
For example, if a superframe comprises 4 unit frame, then can comprise MBS subframe (0,1,2,3) by which unit frame in the bit map indication superframe of 4 bits.Corresponding bit is " 1 " in the bit map, represents to comprise in the pairing unit frame MBS subframe.
For situation with the information representation of MBS number of subframes, specifically can be divided into two kinds: first kind of situation is that to comprise the MBS number of subframes information that comprises in the unit frame of MBS subframe identical, such as, predeterminable or identify MBS number of sub frames in the constituent parts frame by 2 bit informations, such as, 10 expression MBS subframes are second unit frame; Second kind is to comprise the MBS number of subframes that comprises in the unit frame of MBS subframe can dispose respectively, for example, corresponding to being the unit frame of " 1 " in the bit map of 4 bits, provides the number of subframes information that comprises respectively.
For end side, when terminal inserted, terminal was obtained the information whether this superframe comprises the MBS control channel from the broadcast channel of the current superframe that inserts, if this superframe comprises the MBS control channel, and the terminal MBS control channel of from this superframe, decoding then.If do not comprise the MBS control channel in this superframe, if include the positional information of MBS control channel in the broadcast channel of this superframe, then terminal is obtained this positional information, and according to this decoding MBS control channel; If there is not the positional information of MBS control channel in the broadcast channel of this superframe, then terminal continues to wait for next superframe, indicate current superframe to comprise the MBS control channel until the broadcast channel of current superframe, the terminal MBS control channel of from current superframe, decoding, and receive the MBS resource allocating message from the MBS control channel; Then, the information of carrying in the configuration information of the MBS subframe of the dispatching cycle a superframe in this dispatching cycle or the broadcast channel of a plurality of superframes and the MBS resource allocating message, the MBS business in each MBS subframe of decoding.
Realize the above-mentioned Multimedia Broadcast Multicast Service implementation method of example by the present invention, can indicate the subframe and the resource allocation of MBS business efficiently, both guaranteed to share the economize on electricity demand of the broadcasting service terminal under the carrier system, further reduced the performance impact of broadcast multi-broadcasting resource allocation simultaneously unicast terminal.
According to the embodiment of the invention, a kind of MBS subframe configuration information transmitting method also is provided, this method can be used after the step S203 of above-mentioned MBS control channel indicating means, also can use under other need send the situation of configuration information of MBS subframe.
MBS subframe configuration information transmitting method according to the embodiment of the invention comprises:
Send the configuration information of the MBS subframe in the dispatching cycle in the broadcast channel of the superframe that comprises the MBS control channel, wherein, this configuration information comprises: the interval that comprises the superframe of MBS subframe in this dispatching cycle; For example, a MBS comprises N superframe dispatching cycle, and for the superframe that comprises the MBS control channel, its superframe sequence number is 0, and the sequence number of each superframe is followed successively by 0,1 ..., (N-1).The superframe that then comprises MBS is: 0, and L, 2L ....Perhaps,
Send configuration information in the broadcast channel of each superframe in dispatching cycle, wherein, this configuration information comprises whether this superframe comprises the information of MBS subframe.Particularly, whether this superframe comprises the information of MBS subframe can be by 1 bit identification, and for example, bit " 1 " expression superframe comprises the MBS subframe, does not comprise the MBS subframe in bit " 0 " the expression superframe.
In specific implementation process, network side can with in advance with the mode of terminal agreement, with the MBS sub-frame allocation in dispatching cycle in each superframe, then network side does not need broadcast related information to give terminal, terminal according to the position of MBS subframe agreement with from the MBS control channel, receive the MBS resource allocating message, the MBS business in each MBS subframe of decoding.
In addition, the position of the MBS subframe in each superframe also can dynamically be set, and therefore, for the superframe that comprises the MBS subframe, also comprises in the above-mentioned configuration information: comprise in the superframe of MBS subframe the positional information of MBS subframe in dispatching cycle.
In specific implementation process, the positional information of MBS subframe in superframe can be represented by the form of message bit pattern and/or MBS number of subframes information.
For example, if a superframe comprises 4 unit frame, then can comprise MBS subframe (0,1,2,3) by which unit frame in the bit map indication superframe of 4 bits.Corresponding bit is " 1 " in the bit map, represents to comprise in the pairing unit frame MBS subframe.
For situation with the information representation of MBS number of subframes, specifically can be divided into two kinds: first kind of situation is that to comprise the MBS number of subframes information that comprises in the unit frame of MBS subframe identical, such as, predeterminable or identify MBS number of sub frames in the constituent parts frame by 2 bit informations, such as, 10 expression MBS subframes are second unit frame; Second kind is to comprise the MBS number of subframes that comprises in the unit frame of MBS subframe can dispose respectively, for example, corresponding to being the unit frame of " 1 " in the bit map of 4 bits, provides the number of subframes information that comprises respectively.
According to the embodiment of the invention, a kind of MBS business datum sending method also is provided, this method can be used in above-mentioned MBS control channel indicating means, also can use under other need send the situation of MBS business datum.
MBS business datum sending method according to the embodiment of the invention comprises: MBS business datum to be sent is assigned on each MBS subframe in a dispatching cycle in order; On the MBS of this dispatching cycle control channel, send the MBS resource allocating message then, wherein, carry the allocation order information of each MBS business datum on each MBS subframe in this MBS resource allocating message.
In order further to understand the embodiment of the technical scheme that the embodiment of the invention provides, below describe by the embodiment of specific embodiment to the technical scheme of the embodiment of the invention.
Embodiment one
MBS sub-frame configuration with static state in the present embodiment is an example, Fig. 3 is the schematic diagram of the MBS sub-frame configuration of the embodiment of the invention, as shown in Figure 3, a MBS scheduling interval (being dispatching cycle) comprises 16 superframes 301, in these 16 superframes, the superframe interval that comprises the MBS subframe is 4, if comprising the superframe sequence number of MBS control channel is 0, the sequence number that then comprises each superframe of MBS subframe is followed successively by 0,4,8,12.Set according to static state in advance, in 4 unit frame 302 of a superframe, a unit frame comprises MBS subframe 303 at interval, and the unit frame that comprises the MBS subframe all only comprises a MBS subframe.
Terminal according to the rule that sets in advance, and from the MBS resource allocating message that the MBS control channel receives, decodes the MBS business on each MBS subframe when receiving.
Embodiment two
In the present embodiment, the MBS subframe is a dynamic-configuration, represents the position at MBS subframe place with bit map and MBS number of subframes.
Fig. 4 is the schematic diagram of MBS sub-frame configuration in the present embodiment, and as shown in Figure 4, a MBS scheduling interval comprises 16 superframes 401, if comprising the superframe sequence number of MBS control channel is 0, according to system's setting, the sequence number that comprises each superframe of MBS subframe is followed successively by 0,3,8,10.Then in the broadcast channel of each superframe, send the message bit pattern and the MBS number of subframes information of the unit frame that comprises the MBS subframe.A superframe comprises 4 unit frame 402, can indicate the unit frame that specifically comprises MBS subframe (0,1,2,3) in this superframe by the bit map of 4 bits.Wherein, corresponding bit is " 1 " in the bit map, represents to comprise in the pairing unit frame MBS subframe 403.As shown in Figure 3, the bit position is 1001, then represents to comprise MBS subframe 403 in first unit frame of this superframe and the 4th unit frame.
Can comprise two kinds of situations with the position of MBS number of subframes information indication MBS subframe in superframe: first kind of situation is that to comprise the MBS number of subframes information that comprises in the unit frame of MBS subframe identical, and be predeterminable or dynamically arrange, and sees Table 1; Second kind is to comprise the MBS number of subframes that comprises in the unit frame of MBS subframe can dispose respectively.For example, the number of subframes information that comprises in the unit frame of MBS subframe is identical, then identifies MBS number of sub frames in the constituent parts frame by 2 bit informations, and is specifically as shown in table 2.If the number of subframes information that comprises in the unit frame of MBS subframe can dispose respectively, then corresponding to being the unit frame of " 1 " in the bit map of 4 bits, the MBS number of subframes information that is comprised with the indication of 2 bits respectively.
Table 1
| Field name | Bit number | Explanation |
| Comprise the MBS subframe and show the position | ??1 | 1: this superframe comprises MBS subframe 0: this superframe does not comprise the MBS subframe |
| Field name | Bit number | Explanation |
| The message bit pattern that comprises the unit frame of MBS subframe | ??4 | The corresponding unit frame of |
| MBS number of subframes in the |
0 or 2 | MBS sub-frame configuration in the different unit frame is identical |
Table 2
| Field name | Bit number | Explanation |
| Comprise MBS subframe indicating bit | ??1 | 1: this superframe comprises MBS subframe 0: this superframe does not comprise the MBS subframe |
| The message bit pattern that comprises the unit frame of MBS subframe | ??4 | The corresponding unit frame of |
| For (unit frame that comprises the MBS subframe) | ||
| The MBS number of subframes of corresponding unit frame } | ??2 | MBS number of sub frames in the different unit frame is provided with respectively |
Embodiment three
Method to indication MBS control channel position describes in the present embodiment, whether comprises the position of the superframe at MBS control channel and MBS control channel place in the present embodiment by this superframe of indication in the broadcast channel of each superframe.
In the present embodiment, MBS is scheduling interval (being dispatching cycle) with the integral multiple of superframe, in a MBS scheduling interval, comprise a MBS control channel, whether comprise the MBS control channel by this superframe of indication in the broadcast channel of each superframe in the MBS scheduling interval.For the superframe that does not comprise the MBS control channel, can in broadcast channel, indicate the superframe information at MBS control channel place.In specific implementation process, the MBS control channel can send or indicate the position of MBS control channel in broadcast channel on first MBS subframe of corresponding MBS scheduling interval.The superframe information at MBS control channel place can be the superframe sequence number or the part superframe sequence number of MBS control channel place superframe, also can be current superframe and counts information with the relative superframe of MBS control channel place superframe.
Fig. 5 is the schematic diagram of indication MBS control channel position in the present embodiment, and as shown in Figure 5, a MBS scheduling interval comprises 4 superframes 501, and the MBS control channel is to send in the superframe 505 at superframe 0.The broadcast channel 503 of superframe 0 is arranged in superframe head 502 (Superframe Header) and sends, and comprises MBS control channel 504 in the indication superframe 505 in broadcast channel, sends on MBS control channel 504 first MBS subframe 507 in superframe 505.
And other superframes of this scheduling interval (superframe 1, superframe 1 and superframe 2) do not comprise the MBS control channel, and this superframe of indication does not comprise the MBS control channel in its broadcast channel, and the superframe information at indication MBS control channel place.
Embodiment four
In the present embodiment, the MBS control channel being sent the MBS resource allocating message describes.In the present embodiment, the MBS scheduling is a scheduling interval with the integral multiple of superframe.
Fig. 6 is the schematic diagram that the MBS resource allocating message sends in the present embodiment, as shown in Figure 6, MBS control channel 603 original position of 604 on first MBS subframe of corresponding MBS scheduling interval sends, and does not comprise MBS control channel 603 on other MBS subframes 608 of this scheduling interval.Broadcast channel 607 in the superframe 0 (being superframe 501) is arranged in superframe head 602 (Superframe Header) and sends, and this superframe 601 of indication comprises MBS control channel 603 in this broadcast channel.The broadcast channel of other superframes indicates this superframe not comprise the MBS control channel.The channel that the MBS business datum that sends on MBS control channel 603 and the MBS subframe is used is with FDM mode multiplexing (in specific implementation process, also can be multiplexing with time division way).MBS resource allocating message 606 sends on MBS control channel 603, and wherein, MBS resource allocating message 606 comprises the MBS service provisioning on all MBS subframes in this MBS scheduling interval.
In specific implementation process, the transmission of MBS resource allocating message 606 can adopt the mode of combined coding to encode.MBS resource allocating message 606 can be indicated the MBS traffic assignments of each the MBS subframe in the MBS scheduling interval.
Particularly, can indicate concrete MBS subframe by two kinds of different modes in the MBS resource allocating message 606: first kind is by Hyper Frame Number+MBS subframe numbers, wherein, Hyper Frame Number is the relative superframe sequence number in this MBS scheduling interval, such as, for the superframe that comprises the MBS control channel, the superframe sequence number is 0.A MBS is at interval if comprise N superframe, and then the sequence number of each superframe is followed successively by 0,1 ..., (N-1).Subframe numbers is the relative sequence number of each MBS subframe in the superframe, such as, a superframe comprises M MBS subframe altogether, and then sequence number is relatively: 0,1 ..., (M-1).Second kind is that the MBS subframe in the whole M BS scheduling interval is compiled sequence number again, passes through this MBS subframe sequence number sign whole M BS each MBS subframe in dispatching cycle of serialization again in the MBS resource allocating message.
Base station dispatcher sorts the MBS subframe in the MBS scheduling interval according to the MBS subframe distribution of each superframe in the MBS scheduling interval.Behind the decoding terminals MBS control channel, preserve the MBS resource allocating message, the information of the MBS sub-frame configuration of carrying according to broadcast channel in each superframe in the MBS scheduling interval is according to decode MBS business in each MBS subframe of the assignation information of the MBS business in each MBS subframe of carrying in the MBS resource allocating message.In addition, the MBS resource allocating message also can not carried concrete MBS subframe serial number information, each MBS packet is distributed on each interior MBS subframe of scheduling interval successively, if a MBS packet is not placed a MBS subframe, then continue to place on next MBS subframe, terminal decodes required MBS packet successively according to the indication in the MBS resource allocating message from corresponding resource.
Embodiment five
The method that the data that present embodiment sends network side terminal are decoded describes, be that example describes not carry MBS sequence of subframes information in the MBS resource allocating message in the present embodiment, in the present embodiment promptly, network side distributes the MBS business data packet according to a definite sequence on each MBS subframe of scheduling interval, and this order sends to terminal by the MBS resource allocating message.
The flow chart that Fig. 7 decodes for the data that terminal in the present embodiment sends network side, as shown in Figure 7, the data that terminal sends network side are decoded and mainly be may further comprise the steps:
Step 701: each MBS business packet is distributed on each interior MBS subframe of scheduling interval successively, wherein, if a MBS packet is not placed a MBS subframe, then continues to place on next MBS subframe;
Step 702: decoding terminals MBS resource allocating message obtains the order and the size of each MBS business packet according to the MBS resource allocating message, thereby calculates each MBS business packet residing MBS subframe and concrete running time-frequency resource position in scheduling interval.
Step S703: the terminal basis is from the MBS subframe of calculating gained and concrete running time-frequency resource position decoding corresponding M BS business packet.
As mentioned above, the technical scheme that provides by the embodiment of the invention, whether comprise the MBS control channel by in the broadcast channel of each superframe of dispatching cycle, sending each superframe, and the configuration information of the MBS subframe in should dispatching cycle, can indicate the subframe and the resource allocation of MBS business efficiently, the economize on electricity demand of the broadcasting service terminal under the carrier system can be guaranteed to share, the performance impact of MBS resource allocation can be reduced simultaneously again unicast terminal.
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 (18)
1. a Multimedia Broadcast Multicast Service MBS control channel indicating means is characterized in that, comprising:
MBS is to dispatch dispatching cycle with the integral multiple of a superframe, wherein, comprises a MBS control channel in described dispatching cycle;
Carry this superframe of indication on the broadcast channel of each superframe in described dispatching cycle and whether comprise the information of described MBS control channel.
2. method according to claim 1 is characterized in that, described method also comprises:
Send described MBS control channel on first MBS subframe in described dispatching cycle.
3. method according to claim 2 is characterized in that, described MBS control channel sends in the position of the default running time-frequency resource of described first MBS subframe.
4. method according to claim 1 is characterized in that, the transmission positional information of described MBS control channel is indicated by broadcast channel.
5. method according to claim 4 is characterized in that, if the current superframe of indication does not comprise described MBS control channel in the broadcast channel of superframe, then comprises the information of the superframe at the described MBS control channel of indication place in described broadcast channel.
6. method according to claim 5, it is characterized in that, the information of the superframe at described MBS control channel place comprises: the superframe sequence number of the superframe at described MBS control channel place, or the relative position of the superframe at described current superframe and described MBS control channel place.
7. method according to claim 1 is characterized in that, the employed resource of the MBS business datum that described MBS control channel and MBS subframe send adopts frequency division multiplexing mode or time division multiplexing mode.
8. method according to claim 1 is characterized in that, described method also comprises:
Send the MBS resource allocating message on described MBS control channel, wherein, described MBS resource allocating message is used for indicating the resource assignation of the MBS business on described dispatching cycle of each MBS subframe.
9. method according to claim 8 is characterized in that, the coded system of the MBS resource allocating message that sends on described MBS control channel is: combined coding.
10. method according to claim 8 is characterized in that, indicates each the MBS subframe in described dispatching cycle in the described MBS resource allocating message in the following manner:
Adopt Hyper Frame Number to add the MBS subframe numbers and indicate, wherein, described Hyper Frame Number is the superframe sequence number of superframe in described dispatching cycle at described MBS subframe place, and described MBS subframe numbers is the sequence number of described MBS subframe in this superframe; Perhaps,
According to mode all the MBS subframes in described dispatching cycle are numbered respectively, indicate according to the numbering of each MBS subframe with the terminal agreement.
11. method according to claim 8 is characterized in that, described method also comprises:
MBS business datum to be sent is assigned on each MBS subframe in described dispatching cycle in order;
Carry the allocation order information of each MBS business datum on described each MBS subframe in the then described MBS resource allocating message.
12. method according to claim 1 is characterized in that, described method also comprises:
Send the configuration information of the MBS subframe in described dispatching cycle on the broadcast channel of the one or more superframes in described dispatching cycle, wherein, described configuration information comprises: whether each superframe in described dispatching cycle comprises the information of MBS subframe.
13. method according to claim 12 is characterized in that, described method also comprises:
According in advance with the mode of terminal agreement, in each superframe in described dispatching cycle of the MBS sub-frame allocation in described dispatching cycle.
14., it is characterized in that described method also comprises according to claim 12 or 13 described methods:
Terminal is obtained the positional information of the described MBS control channel in described dispatching cycle from the broadcast channel of superframe;
Described terminal is according to the described positional information described MBS control channel of decoding, and receives the MBS resource allocating message from described MBS control channel;
Described terminal is according to the configuration information of the MBS subframe of the described dispatching cycle of the broadcast channel of a superframe in described dispatching cycle or a plurality of superframes, the MBS business in each MBS subframe of decoding.
15. a MBS data transmission method for uplink is characterized in that, comprising:
MBS business datum to be sent is assigned on each MBS subframe in the dispatching cycle in order;
On the MBS of described dispatching cycle control channel, send the MBS resource allocating message, wherein, carry the allocation order information of each MBS business datum on described each MBS subframe in the described MBS resource allocating message.
16. a MBS subframe configuration information transmitting method is characterized in that, comprising:
Send the configuration information of the MBS subframe in the dispatching cycle in the broadcast channel of the superframe that comprises the MBS control channel, wherein, described configuration information comprises: the interval that comprises the superframe of MBS subframe in described dispatching cycle; Perhaps,
Send described configuration information in the broadcast channel of each superframe in dispatching cycle, wherein, described configuration information comprises whether this superframe comprises the information of MBS subframe.
17. method according to claim 16 is characterized in that, described configuration information also comprises: comprise in the superframe of MBS subframe the positional information of MBS subframe in described dispatching cycle.
18. method according to claim 17 is characterized in that, by the broadcast channel of a described superframe or a plurality of superframes, sends described positional information with the form of bit map and/or MBS number of subframes information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910003441A CN101771950A (en) | 2009-01-05 | 2009-01-05 | MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method |
| PCT/CN2009/076165 WO2010075766A1 (en) | 2009-01-05 | 2009-12-29 | Method for indicating mbs control channel, method for transmitting mbs data and mbs subframe configuration information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910003441A CN101771950A (en) | 2009-01-05 | 2009-01-05 | MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method |
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| CN101771950A true CN101771950A (en) | 2010-07-07 |
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| CN200910003441A Pending CN101771950A (en) | 2009-01-05 | 2009-01-05 | MBS (Mutual Broadcasting System) control channel indication method, MBS data and MBS subframe configuration information transmitting method |
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| CN107005376A (en) * | 2014-09-15 | 2017-08-01 | 诺基亚通信公司 | Downlink control channel for single carrier transmission |
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| WO2007050758A1 (en) * | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving a systeminfo block in an active state in wireless communication system |
| CN101001125A (en) * | 2006-12-18 | 2007-07-18 | 中兴通讯股份有限公司 | Method of multiplex of mobile multimedia broadcast electronic service guide |
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| WO2007050758A1 (en) * | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving a systeminfo block in an active state in wireless communication system |
| CN101001125A (en) * | 2006-12-18 | 2007-07-18 | 中兴通讯股份有限公司 | Method of multiplex of mobile multimedia broadcast electronic service guide |
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| CN107005376A (en) * | 2014-09-15 | 2017-08-01 | 诺基亚通信公司 | Downlink control channel for single carrier transmission |
| CN107005376B (en) * | 2014-09-15 | 2020-08-28 | 诺基亚技术有限公司 | Method and apparatus for downlink control channel for single carrier transmission |
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| Publication number | Publication date |
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| WO2010075766A1 (en) | 2010-07-08 |
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