CN101616403A - Send the method and the base station of continuous dispatching Cell Radio Network Temporary Identifier/Identity, Cell-RNTI - Google Patents
Send the method and the base station of continuous dispatching Cell Radio Network Temporary Identifier/Identity, Cell-RNTI Download PDFInfo
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Abstract
The present invention proposes the method and the base station of a kind of transmission continuous dispatching Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI), wherein method comprises: medium access control (MAC) the layer control signaling of base station structure carrying sustainable dispatching C-RNTI, and described MAC layer control signaling comprises MAC header field and MAC Control Element; The base station is sent to subscriber equipment (UE) with the MAC layer control signaling of described carrying sustainable dispatching C-RNTI.Method and base station that the present invention proposes can send sustainable dispatching C-RNTI to UE by MAC layer control signaling, and reduce the complexity of RRC signaling, the processing procedure that is consistent.
Description
Technical field
The present invention relates to Long Term Evolution (LTE) technical field, particularly send the method and the base station of continuous dispatching Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell Radio Network Temporary Identifier).
Background technology
At present, in the LTE system, introduced semi-persistent scheduling mechanism, be used at specific business, as the VoIP business.The working method of semi-persistent scheduling mechanism is: to specific transactions (as the VoIP business) packet initial transmission adopt continuous dispatching, dynamic dispatching is adopted in the re-transmission of particular traffic data bag and the transmission of other packets.
Continuous dispatching is meant that the base station gives the fixing resource of certain professional allocation of packets of subscriber equipment (UE), and specifies fixing transformat, before continuous dispatching begins, the base station sends sustainable dispatching C-RNTI to UE, and indicating the base station with this sustainable dispatching C-RNTI is the resource of certain professional allocation of packets of UE and the transformat of appointment.Follow-up when sending these continuous dispatching packets, no longer need to resend sustainable dispatching C-RNTI.
Dynamic dispatching was meant the base station before sending packet, and the base station sends conventional C-RNTI to UE, and being used to refer to this packet will with which kind of transformat send on which resource, and UE receives or send packet according to the indication of conventional C-RNTI.
In the present LTE system, determined that conventional C-RNTI base station in random access procedure sends to UE by medium access control (MAC) layer control signaling, and the sending method of sustainable dispatching C-RNTI is not determined at present, a kind of possible method is the sustainable dispatching C-RNTI that is adopted by Radio Resource control (RRC) signaling UE, this mode need increase corresponding field in the RRC signaling, and because only when semi-continuous scheduling, just distribute sustainable dispatching C-RNTI to UE, then also need to increase corresponding indication bit, whether be used to refer to sustainable dispatching C-RNTI and exist, these all cause the expense of RRC signaling and complexity to increase.
Summary of the invention
The embodiment of the invention proposes a kind of method that sends sustainable dispatching C-RNTI, is used to realize the transmission of base station to sustainable dispatching C-RNTI, and reduces the complexity of RRC signaling, keeps simultaneously and the consistent processing procedure of the conventional C-RNTI of transmission.
The embodiment of the invention also proposes a kind of base station that sends sustainable dispatching C-RNTI, is used to realize the transmission to sustainable dispatching C-RNTI, and reduces the complexity of RRC signaling, keeps the consistent processing procedure with the conventional C-RNTI of transmission simultaneously.
Technical scheme of the present invention is achieved in that
A kind of method that sends sustainable dispatching C-RNTI comprises:
The MAC layer control signaling of base station structure carrying sustainable dispatching C-RNTI, described MAC layer control signaling comprises MAC header field and MAC Control Element;
The base station is sent to user equipment (UE) with the MAC layer control signaling of described carrying sustainable dispatching C-RNTI.
A kind of base station that sends sustainable dispatching C-RNTI comprises:
The signaling structural unit is used to construct the MAC layer control signaling of carrying sustainable dispatching C-RNTI, and described MAC layer control signaling comprises MAC header field and MAC Control Element, and wherein, the value of the LCID in the described MAC header field is a reserved value; Described MAC Control Element is used for specifically carrying sustainable dispatching C-RNTI;
Transmitting element is used to send the MAC layer control signaling that described signaling structural unit is constructed.
As seen, method and base station that the embodiment of the invention proposes can make the base station by MAC layer control signaling sustainable dispatching C-RNTI be sent to UE, and reduce the complexity of RRC signaling, keep simultaneously and the consistent processing procedure of the conventional C-RNTI of transmission.
Description of drawings
Fig. 1 is the structural representation of prior art MAC layer control signaling;
Fig. 2 is the MAC layer control signaling structure schematic diagram of embodiment of the invention carrying sustainable dispatching C-RNTI;
The MAC layer control signaling that Fig. 3 carries sustainable dispatching C-RNTI for the embodiment of the invention comprises and the MAC PDU structural representation of other downlink datas.
Embodiment
The embodiment of the invention proposes a kind of method that sends sustainable dispatching C-RNTI, and this method adopts MAC layer control signaling to carry sustainable dispatching C-RNTI, and the base station is sent to UE with this MAC layer control signaling, thereby realizes the transmission to sustainable dispatching C-RNTI.
At first be necessary to introduce the structure of MAC layer control signaling in the prior art.As shown in Figure 1, Fig. 1 is the structural representation of prior art MAC layer control signaling.
MAC layer control signaling comprises that length is sub-header field of 1 byte MAC (MAC Subheader) and MAC Control Element.Among Fig. 1, " R " is reservation bit; " E " is indication bit, is used to indicate the follow-up MAC header field whether other are arranged; LCID length is 5 bits, is used to represent the type of MAC Control Element thereafter or the sign of logic channel.
In the prior art, the distribution of LCID value is as shown in table 1.
| The value of LCID | The implication that LCID represents |
| ??00000 | Common Control Channel (CCCH) |
| 00001 to XXXXX | Logic Channel Identifier |
| (XXXXX+1) to 11011 | Reserve |
| ??11100 | UE connects the decision sign |
| ??11101 | Time upgrades |
| ??11110 | Discontinuous reception (DRX) order |
| ??11111 | Fill |
Table 1
In table 1, a value between " XXXXX " expression " 00001 " and " 11011 ", concrete value is decided because of the concrete condition of network.
By table 1 as seen, existing LCID also remains with some reserved value in distributing.The embodiment of the invention can adopt one of them value in these reserved value, is used for representing that the type of MAC Control Element is: the MAC Control Element of carrying sustainable dispatching C-RNTI.For example, the value that the embodiment of the invention is got LCID equals " 11011 ", is used to represent that the type of MAC Control Element thereafter is: the MAC Control Element of carrying sustainable dispatching C-RNTI.Other value implications of LCID still with prior art in identical, as shown in table 2, table 2 is the distribution list of embodiment of the invention LCID value.
| The value of LCID | The implication that LCID represents |
| ??00000 | Common Control Channel (CCCH) |
| 00001 to XXXXX | Logic Channel Identifier |
| (XXXXX+1) to 11010 | Reserve |
| ??11011 | Sustainable dispatching C-RNTI |
| ??11100 | UE connects the decision sign |
| ??11101 | Time upgrades |
| ??11110 | Discontinuous reception (DRX) order |
| ??11111 | Fill |
Table 2
Certainly, can also adopt other reserved value to represent that follow-up MAC Control Element is used to carry sustainable dispatching C-RNTI.
In an embodiment of the present invention, adopt MAC Control Element carrying sustainable dispatching C-RNTI, because the length of sustainable dispatching C-RNTI is 2 bytes, so the length of MAC Control Element can be 2 bytes.Certainly, the length of MAC Control Element also can be longer, and the present invention does not limit.
Referring to Fig. 2, Fig. 2 is the MAC layer control signaling structure schematic diagram of embodiment of the invention carrying sustainable dispatching C-RNTI.In Fig. 2, MAC layer control signaling comprises MAC Subheader and MAC Control Element 2 parts.Wherein, the LCID value is reserved value arbitrarily among the MAC Subheader, and value is " 11011 " in the present embodiment, is used for representing that MAC Control Element thereafter carries sustainable dispatching C-RNTI, can certainly select other reserved value; The length of MAC Control Element is 2 bytes, is used to carry sustainable dispatching C-RNTI.
The base station can be controlled signaling with the MAC layer of above-mentioned carrying sustainable dispatching C-RNTI in different ways and be sent to UE, as:
Send mode one: the MAC layer control signaling packet that sustainable dispatching C-RNTI will be carried in the base station is contained in the mac-layer protocol data cell (MAC PDU), and this MAC PDU is sent to UE.
Send mode two: MAC layer control signaling and other downlink datas that sustainable dispatching C-RNTI will be carried in the base station are multiplexed among the MAC PDU, and this MAC PDU is sent to UE.Referring to Fig. 3, the MAC layer control signaling that Fig. 3 carries sustainable dispatching C-RNTI for the embodiment of the invention comprises and the MAC PDU structural representation of other downlink datas.Among Fig. 3, MAC PDU includes MAC layer control signaling and a plurality of other MAC Subheader and the pairing Service Data Unit (SDU) or the MAC layer control signaling of carrying sustainable dispatching C-RNTI.
Thus, the embodiment of the invention proposes a kind of method that sends sustainable dispatching C-RNTI, comprising:
The MAC layer control signaling of base station structure carrying sustainable dispatching C-RNTI, this MAC layer control signaling comprises MAC Subheader and MAC Control Element, wherein, LCID among the described MAC Subheader is defined as any one value in the reserved value, represents that described MAC Control Element is used to carry sustainable dispatching C-RNTI; MAC Control Element is used for specifically carrying sustainable dispatching C-RNTI;
The base station is sent to UE with the MAC layer control signaling of described carrying sustainable dispatching C-RNTI.
In said method, LCID can be defined as " 11011 ", and the length of the unit of MAC Control Element can be 2 bytes.
In the said method, send the carrying sustainable dispatching C-RNTI MAC layer control means of signaling can for:
The MAC layer control signaling packet that sustainable dispatching C-RNTI will be carried in the base station is contained among the MAC PDU, and this MAC PDU is sent to UE;
Perhaps, MAC layer control signaling and other downlink datas that sustainable dispatching C-RNTI will be carried in the base station are multiplexed among the MAC PDU, and this MAC PDU is sent to UE.
The embodiment of the invention also proposes a kind of base station that sends sustainable dispatching C-RNTI, comprising:
The signaling structural unit, be used to construct the MAC layer control signaling of carrying sustainable dispatching C-RNTI, described MAC layer control signaling comprises MAC Subheader and MAC Control Element, wherein, LCID among the MACSubheader is defined as any one value in the reserved value, represents that described MAC Control Element is used to carry sustainable dispatching C-RNTI; MAC Control Element is used for specifically carrying sustainable dispatching C-RNTI;
Transmitting element is used to send the MAC layer control signaling that this signaling structural unit is constructed.
As fully visible, method and base station that the embodiment of the invention proposes, can adopt MAC layer control signaling to send sustainable dispatching C-RNTI to UE, this method realizes simply, can not increasing the complexity of RRC signaling, keeps consistent with the process of the conventional C-RNTI of transmission in the prior art simultaneously.
Claims (7)
1, a kind of method that sends continuous dispatching Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI is characterized in that, described method comprises:
The media access control MAC layer control signaling of base station structure carrying sustainable dispatching C-RNTI, described MAC layer control signaling comprises MAC header field and MAC Control Element;
The base station is sent to user equipment (UE) with the MAC layer control signaling of described carrying sustainable dispatching C-RNTI.
2, method according to claim 1 is characterized in that, described LCID is defined as: 11011.
3, method according to claim 1 is characterized in that, the length of described MAC Control Element is 2 bytes.
4, method according to claim 1 is characterized in that, the MAC layer control means of signaling of described transmission carrying sustainable dispatching C-RNTI is:
The base station is contained in the MAC layer control signaling packet of described carrying sustainable dispatching C-RNTI among the mac-layer protocol data cell MAC PDU, and described MAC PDU is sent to UE.
5, method according to claim 1 is characterized in that, the MAC layer control means of signaling of described transmission carrying sustainable dispatching C-RNTI is:
The base station is multiplexed into MAC layer control signaling and other downlink datas of described carrying sustainable dispatching C-RNTI among the MAC PDU, and described MAC PDU is sent to UE.
6, method according to claim 1 is characterized in that, the Logic Channel Identifier LCID in the described MAC header field is defined as any one value in the reserved value, represents that described MAC Control Element is used to carry sustainable dispatching C-RNTI; Described MAC Control Element is used for specifically carrying sustainable dispatching C-RNTI.
7, a kind of base station that sends sustainable dispatching C-RNTI is characterized in that, described base station comprises:
The signaling structural unit, be used to construct the MAC layer control signaling of carrying sustainable dispatching C-RNTI, described MAC layer control signaling comprises MAC header field and MAC Control Element, wherein, LCID in the described MAC header field is defined as any one value in the reserved value, represents that described MAC Control Element is used to carry sustainable dispatching C-RNTI; Described MAC Control Element is used for specifically carrying sustainable dispatching C-RNTI;
Transmitting element is used to send the MAC layer control signaling that described signaling structural unit is constructed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158973A (en) * | 2010-02-11 | 2011-08-17 | 电信科学技术研究院 | Method, system and equipment for semi-duration dispatching, transmitting and processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100438645C (en) * | 2005-01-14 | 2008-11-26 | 华为技术有限公司 | Method of enabling multiple users to receive data services in the same channel |
| CN101154987A (en) * | 2006-09-26 | 2008-04-02 | 大唐移动通信设备有限公司 | Control method and system for transmission collision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158973A (en) * | 2010-02-11 | 2011-08-17 | 电信科学技术研究院 | Method, system and equipment for semi-duration dispatching, transmitting and processing |
| CN102158973B (en) * | 2010-02-11 | 2013-11-20 | 电信科学技术研究院 | Method, system and equipment for semi-duration dispatching, transmitting and processing |
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