CN102065516A - Method and device for transmitting system message - Google Patents
Method and device for transmitting system message Download PDFInfo
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- CN102065516A CN102065516A CN2009102059526A CN200910205952A CN102065516A CN 102065516 A CN102065516 A CN 102065516A CN 2009102059526 A CN2009102059526 A CN 2009102059526A CN 200910205952 A CN200910205952 A CN 200910205952A CN 102065516 A CN102065516 A CN 102065516A
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Abstract
The embodiment of the invention discloses a method and a device for transmitting a system message and relates to the field of communication. After a relay function is started, a relay can normally receive system configuration information of a relay link, and the normal transmission of the relay link is guaranteed so as to guarantee the normal operation of the system. The method comprises the following steps of: mapping the system message of the relay link to a relay link physical downlink shared channel; transmitting the relay link physical downlink shared channel to the relay; and transmitting a relay link physical downlink control channel to the relay, wherein the relay link physical downlink control channel carries indication information of a time-frequency resource position of the relay link physical downlink shared channel. The method is mainly used in the process of transmitting the system message after the relay is introduced into a network and the relay function is started.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and device of transmission system message.
Background technology
In order to continue the elevator system performance, LTE-A (Long Term Evolution-Advance, Long Term Evolution subsequent technology) has introduced Relay (relay station) technology on the basis of LTE.Introduce after the Relay, eNodeB (base station) jumps link to one of terminal and becomes eNodeB and arrive the two-hop link of terminal to Relay and Relay in the original LTE system, and wherein, eNodeB is a tie link to terminal, eNodeB is a repeated link to Relay, and Relay is an access link to terminal.
Under traditional transmission means, eNodeB direct transmission system message is to the terminal of its service.In the LTE system, eNodeB makes amendment to system information on the border in the cycle of modification, and gives terminal with periodic broadcast mode with amended system information transmissions.
In the prior art, after introducing Relay and starting relay function, when system message changed, Relay can not normally receive the system message after the change that eNodeB sends, thereby repeated link and access link can not normally move, and whole communication system can not normally be moved.
Summary of the invention
Embodiments of the invention provide a kind of method and device of transmission system message, make relay station can receive the repeated link system message normally, guarantee the repeated link normal transmission, thus the normal operation of the system of assurance.
On the one hand, embodiments of the invention provide a kind of method of transmission system message, comprising:
The repeated link system message is mapped on the repeated link Physical Downlink Shared Channel;
Described repeated link Physical Downlink Shared Channel is sent to relay station;
To send to described relay station in the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
A kind of method of transmission system message comprises:
Receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel;
Receive the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position;
According to described indication information, obtain the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel.
The embodiment of the invention also provides a kind of network side apparatus on the other hand, comprising:
Map unit is used for the repeated link system message is mapped to the repeated link Physical Downlink Shared Channel;
The shared channel transmitting element is used for described repeated link Physical Downlink Shared Channel is sent to relay station;
The control channel transmitting element is used for the repeated link Physical Downlink Control Channel and sends to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
A kind of relay station comprises:
The DSCH Downlink Shared Channel receiving element is used to receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel;
The down control channel receiving element is used to receive the repeated link Physical Downlink Control Channel, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position;
Acquiring unit is used for according to described indication information, obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel.
In the technical scheme that the embodiment of the invention provides, the repeated link system message is mapped on the repeated link Physical Downlink Shared Channel, and described repeated link down control channel sent to relay station, and the repeated link Physical Downlink Control Channel is sent to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position; Described relay station is after receiving described repeated link Physical Downlink Shared Channel and described repeated link down control channel, obtain the repeated link system message that is carried on the repeated link Physical Shared Channel according to the described indication information in the described repeated link down control channel, make after starting relay function, when relay station is carried out the reception operation, the repeated link system message is sent to relay station, so that relay station can receive amended repeated link system message, realize the normal operation of system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the network side in the method for a kind of transmission system message in the embodiment of the invention;
Fig. 2 is the method flow diagram of the relay station side in the method for a kind of transmission system message in the embodiment of the invention;
Fig. 3 is the method flow diagram of a kind of transmission system message in the embodiment of the invention;
Fig. 4 is mapped to the operating process schematic diagram of repeated link Physical Downlink Control Channel for repeated link system message in the method for transmission system message in the embodiment of the invention;
Fig. 5 is the composition frame chart of a kind of network side apparatus in the embodiment of the invention;
Fig. 6 is the composition frame chart of another kind of network side apparatus in the embodiment of the invention;
Fig. 7 is the composition frame chart of a kind of relay station in the embodiment of the invention;
Fig. 8 is the composition frame chart of another kind of relay station in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 1, the embodiment of the invention provides a kind of method of transmission system message, and this method comprises:
101, the repeated link system message is mapped on the repeated link Physical Downlink Shared Channel, described repeated link Physical Downlink Shared Channel is sent to relay station.
102, the repeated link Physical Downlink Control Channel is sent to described relay station, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
In embodiments of the present invention, can there be sequencing to limit between the above-mentioned steps 101 and 102.
As shown in Figure 2, the embodiment of the invention provides a kind of method of transmission system message, and this method comprises:
201, receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel.
202, receive the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
203,, obtain the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel according to described indication information.
In embodiments of the present invention, can there be sequencing to limit between the above-mentioned steps 201 and 202.
In the embodiment of the invention, the repeated link system message is mapped on the repeated link Physical Downlink Shared Channel, and described repeated link Physical Downlink Control Channel sent to relay station, and the repeated link Physical Downlink Control Channel sends to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position; Described relay station is after receiving described repeated link Physical Downlink Shared Channel and described repeated link down control channel, obtain the repeated link system message that is carried on the repeated link Physical Shared Channel according to the described indication information in the described repeated link down control channel, make after starting relay function, when relay station is carried out the reception operation, the repeated link system message is sent to relay station, so that relay station can receive the repeated link system message, realize the normal operation of system.
As shown in Figure 3, the embodiment of the invention provides a kind of method of transmission system message, and this method comprises:
301, network side apparatus is mapped to the repeated link system message on the repeated link Physical Downlink Shared Channel, and described repeated link Physical Downlink Shared Channel is sent to relay station.
Wherein, described repeated link system message can be the message of system's redetermination, and for example blSystemInfoUpdate message is used for transmission repeated link system configuration information on repeated link.The repeated link system configuration information can comprise any or multinomial of following parameter:
The system bandwidth of repeated link, the sub-frame configuration of repeated link, the public resource configuration of repeated link, the content entry-into-force time of repeated link system message, PLMN (Public Land Mobile Network, the public land mobile radio communication) identifier list, the antenna port information of adjacent sub-district, the carrier frequency of adjacent sub-district, ETWS (Earthquake Tsunami warning system, tsunami warning system) relevant information, the PRACH of tie link (Physical Random Access Channel, Physical Random Access Channel) the resource distribution and the PHICH of repeated link (Physical Hybrid ARQ Indicator Channel, the automatic request retransmission indicating channel of physical mixed) information.In these information, the resource distribution of the PRACH of the entry-into-force time of the sub-frame configuration of repeated link system bandwidth, repeated link, the configuration of the public resource of repeated link, repeated link system message, the PHICH information of repeated link, tie link influences repeated link communication.The antenna port information of PLMN identifier, adjacent sub-district, the interior broadcasting of the informational influence relay station coverage that the carrier frequency of adjacent sub-district is relevant with ETWS.
The system bandwidth of described repeated link is used to dispose the downlink bandwidth and the upstream bandwidth of repeated link; The system bandwidth of this repeated link not only can be used for TDD (Time Division Duplexing, time division duplex) in the system, can also be used for FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) in the system, but no matter be TDD system or FDD system, the repeated link downlink bandwidth all can dispose separately, just upstream bandwidth need have different considerations at different scenes, and this repeated link downlink bandwidth and upstream bandwidth can select to use also concrete configuration as the case may be of default bandwidth when configuration.
The sub-frame configuration of repeated link is used to dispose the subframe of repeated link, and the sub-frame configuration of this repeated link depends on the design of repeated link frame structure, for example, is the repeated link sub-frame configuration in cycle when adopting with 10ms, then uses the 6bit indication; When adopting with 40ms is the repeated link sub-frame configuration in cycle, then use the 8bit indication, MB SFN (Multicast Broadcast Single FrequencyNetwork, the Multicast Broadcast Single Frequency Network) sub-frame configuration that the existing 40ms of LTE system is the cycle is used the 24bit indication.
The configuration of the public resource of repeated link is used for the public resource parameter after indication is upgraded on the repeated link, and it can be including, but not limited to following parameter: the configuration parameter of sounding signal, the configuration parameter of power control and PUCCH channel parameter.
The content entry-into-force time of repeated link system message, be used for the concrete subframe numbers that the indicating system message content comes into force.The PLMN identifier list is used to indicate the PLMN identifier after the renewal; The antenna port information of adjacent sub-district is used to indicate the antenna port number of adjacent sub-district, so that relay station is to the nearby region measurement configuration of subscriber equipment in its coverage; The information that ETWS is relevant is used to the information of indicating ETWS relevant, comprises the notice of ETWSprimary (initially) and ETWS secondary (for the second time); The carrier frequency of adjacent sub-district is used to indicate the carrier frequency of adjacent sub-district; The resource distribution of the PRACH of tie link is used for the PRACH of relay station and the situations such as situation of SRS (Sounding Reference Signal monitors reference signal) conflict.
Wherein, the described detailed process that the repeated link system message is mapped on the repeated link Physical Downlink Shared Channel can comprise following step, specifically sets forth in conjunction with Fig. 4; At first described repeated link system message is mapped on the transmission channel through logic channel, wherein said logic channel can for but be not limited to BCCH (Broadcast Control Channel, Broadcast Control Channel), described transmission channel can for but be not limited to DL-SCH (Down Link Synchronization CHannel, downlink Synchronization Channel); Secondly described repeated link system message is mapped on the repeated link Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel, Physical Downlink Shared Channel) by transmission channel.
302, the repeated link Physical Downlink Control Channel is sent to described relay station, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
Can utilize SI-RNTI (Service Indicator-Radio Network Temporary Identity, service indicator-Radio Network Temporary Identifier) that relaying link physical down control channel is carried out scrambling.The indication information of repeated link Physical Downlink Shared Channel running time-frequency resource position has been indicated the particular location of the running time-frequency resource of carrying repeated link system message in the repeated link Physical Downlink Shared Channel.
303, relay station receives the repeated link Physical Downlink Control Channel that network side apparatus sends, and obtains the indication information that the repeated link Physical Downlink Control Channel carries described repeated link Physical Downlink Shared Channel running time-frequency resource position.
If the repeated link Physical Downlink Control Channel of described reception is through the SI-RNTI scrambling, therefore after receiving described repeated link Physical Downlink Control Channel, the indication information that obtains the running time-frequency resource position of carrying repeated link system message in the repeated link Physical Downlink Shared Channel comprises:
According to SI-RNTI described repeated link Physical Downlink Control Channel is carried out descrambling;
Resolve the repeated link Physical Downlink Control Channel behind the described descrambling, obtain described indication information according to the repeated link control signaling in the repeated link Physical Downlink Control Channel after resolving; Wherein, obtaining described indication information according to described repeated link control signaling is: after receiving described repeated link physical down control signaling, at first adjudicate whether there is repeated link control signaling in the described repeated link Physical Downlink Control Channel; If judge to have repeated link control signaling in the described repeated link Physical Downlink Control Channel, then from described repeated link Physical Downlink Control Channel, obtain described indication information.
304, relay station obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel according to described indication information.
Described relay station obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel according to the described indication information that obtains, and obtains the repeated link system configuration information that comprises in the described repeated link system message; So that make described relay station according to described repeated link system configuration information realization relay station that obtains and the communication between the network side apparatus.
Wherein, described relay station obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel and comprises according to described indication information:
According to described indication information, described repeated link Physical Downlink Shared Channel is resolved, obtain described repeated link system message; The repeated link system message that described parsing is obtained is uploaded to the radio resource control layer, by described radio resource control layer the described repeated link system message that obtains is resolved and obtains the repeated link system configuration information.
In embodiments of the present invention, can there be sequencing to limit between the above-mentioned steps 301 and 302.
Further, can correctly receive the repeated link system message that network side apparatus sends in order to guarantee relay station, the embodiment of the invention is in the process that realizes the transmission of repeated link system message, send number of times according to pre-configured repeating described repeated link system message is mapped on the described repeated link Physical Downlink Shared Channel, and described repeated link Physical Downlink Shared Channel is sent to described relay station; Wherein said pre-configured number of times can determine that the embodiment of the invention does not limit this, for example 4 times according to the communication quality of reality.In the process of the re-transmission of the chain-circuit system that continues in force message, because after the repeated link system message sends to relay station by network side, there is not relay station to receive the feedback information of this repeated link system message success or not, therefore for guaranteeing that relay station can as much as possible successfully receive the repeated link system message that this network side sends, network side sends number of times according to pre-configured repeating described repeated link system message is mapped on the described repeated link Physical Downlink Shared Channel, and described repeated link system message is carried on the described repeated link Physical Downlink Shared Channel sends to relay station, even the repeated link system message relay station that has sent successfully receives, perhaps in repeating to send the process of described repeated link system message system configuration again new renewal, also pre-configured repeating to be sent the number of times transmission and finish the transmission of the repeated link system message after just next time upgrading.
Wherein, carry out in the process that described repeated link system message is repeated to transmit by described repeated link Physical Downlink Shared Channel at network side, can formulate certain rule, the formulation of this rule can specifically be provided with according to actual conditions, and the embodiment of the invention does not limit this; For example can formulate following rule:
After relaying chain-circuit system information updating message reaches pre-configured transmission number of times, just start the transmission of system information updating message next time, if the last repeated link system message of upgrading does not also send pre-configured number of times, even if then the repeated link system message is upgraded once more, also still send, till sending to pre-configured number of times according to original system message; The repeated link system message can send two continuous relay sub-frame, also can the certain relay sub-frame of appropriate intervals; Carry its sequence number SFN that comes into force (System Frame Number in the repeated link system information, System Frame Number), because when the system bandwidth of relaying link changes, to cause some configuration informations on the SFN=X subframe, to lose efficacy, as SPS (Signal ProcessingSubsystem, signal processing subsystem), PHICH etc., at this moment, network side apparatus can be by the relay station of issuing a separate notice in the subframe of SFN＜X, perhaps relay station uses new configuration parameter on the SFN=X subframe, and adjusts execution according to certain rule.
In the embodiment of the invention, the repeated link system message that will comprise the repeated link system configuration information is mapped on the repeated link Physical Downlink Shared Channel, and described repeated link Physical Downlink Shared Channel sent to relay station, and send to described relay station in the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position; Described relay station is after receiving described repeated link Physical Downlink Shared Channel and described repeated link down control channel, obtain the repeated link system configuration information that the repeated link system message that is carried on the repeated link Physical Shared Channel is comprised according to the described indication information in the described repeated link down control channel, make after starting relay function, when relay station is carried out the reception operation, the repeated link system configuration information is sent to relay station, so that relay station can receive repeated link system configuration message, thus the normal operation of the system of realization.
And the transmission of this repeated link system message has only increased the repeated link system message in repeated link, subscriber equipment and network side are not made amendment, and under the prerequisite of the normal operation of assurance system, has improved the compatible type of system.
As shown in Figure 5, the embodiment of the invention provides a kind of network side apparatus, and this network side apparatus comprises: map unit 41, DSCH Downlink Shared Channel transmitting element 42 and down control channel transmitting element 43.
The resource distribution of the PHICH information of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, the information that ETWS is relevant, repeated link and the PRACH of tie link.In these information, the resource distribution of the PRACH of the entry-into-force time of the sub-frame configuration of repeated link system bandwidth, repeated link, the configuration of the public resource of repeated link, repeated link system message, the PHICH information of repeated link, tie link influences repeated link communication.The antenna port information of PLMN identifier, adjacent sub-district, the interior broadcasting of the informational influence relay station coverage that the carrier frequency of adjacent sub-district is relevant with ETWS.
After being mapped to the repeated link system message on the repeated link Physical Downlink Shared Channel, DSCH Downlink Shared Channel transmitting element 42 is used for and will sends to relay station on the described repeated link Physical Downlink Shared Channel; Down control channel transmitting element 43 is used for the repeated link Physical Downlink Control Channel is sent to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
Further, can correctly receive the repeated link system message that network side apparatus sends in order to guarantee relay station, the embodiment of the invention is in the process that realizes the transmission of repeated link system message, and DSCH Downlink Shared Channel transmitting element 42 can also send number of times according to pre-configured repeating described repeated link Physical Downlink Shared Channel is sent to described relay station; Wherein said pre-configured number of times can determine that the embodiment of the invention does not limit this, for example 4 times according to the communication quality of reality.In the process of the re-transmission of the chain-circuit system that continues in force message, because after the repeated link system message sends to relay station by network side, there is not relay station to receive the feedback information of this repeated link system message success or not, therefore for guaranteeing that relay station can as much as possible successfully receive the repeated link system message that this network side sends, network side sends number of times according to pre-configured repeating described repeated link system message is mapped on the described repeated link Physical Downlink Shared Channel, and described repeated link system message is carried on the described repeated link Physical Downlink Shared Channel sends to relay station, even the repeated link system message relay station that has sent successfully receives, perhaps in repeating to send the process of described repeated link system message system configuration again new renewal, also pre-configured repeating to be sent the number of times transmission and finish the transmission of the repeated link system message after just next time upgrading.
Further, as shown in Figure 6, described map unit 41 can comprise: first mapping block 411 and second mapping block 412.When described map unit 41 is mapped to the repeated link system message on the repeated link Physical Downlink Shared Channel, at first described repeated link system message is mapped on the transmission channel through logic channel by described first mapping block 411; After being mapped to described repeated link system message on the transmission channel, described second mapping block 412 is used for described repeated link system message is mapped to the repeated link Physical Downlink Shared Channel through transmission channel.
Described down control channel transmitting element 43 can comprise: scrambling module 431 and sending module 432.When described down control channel transmitting element 43 sends to described relay station with described repeated link Physical Downlink Control Channel, can carry out scrambling according to SI-RNTI to relaying link physical down control channel by scrambling module 431; After the indication information of the running time-frequency resource position of carrying repeated link system message is carried in the control information of repeated link physical down in described repeated link Physical Downlink Shared Channel, described sending module 432 is used for described repeated link Physical Downlink Control Channel is sent to relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
As shown in Figure 7, the embodiment of the invention provides a kind of relay station, and this relay station comprises: DSCH Downlink Shared Channel receiving element 51, down control channel receiving element 52 and acquiring unit 53.
DSCH Downlink Shared Channel receiving element 51 is used to receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel.Wherein, described repeated link system message can be the message of system's redetermination, and for example blSystemInfoUpdate message is used for transmission repeated link system configuration information on repeated link.The repeated link system configuration information can comprise any or multinomial of following parameter:
The resource distribution of the PRACH of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, the information that ETWS is relevant, tie link and the PHICH information of repeated link.In these information, the resource distribution of the PRACH of the entry-into-force time of the sub-frame configuration of repeated link system bandwidth, repeated link, the configuration of the public resource of repeated link, repeated link system message, the PHICH information of repeated link, tie link influences repeated link communication.The antenna port information of PLMN identifier, adjacent sub-district, the interior broadcasting of the informational influence relay station coverage that the carrier frequency of adjacent sub-district is relevant with ETWS.
Down control channel receiving element 52 is used to receive the repeated link Physical Downlink Control Channel, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position; After receiving described repeated link Physical Downlink Shared Channel and described repeated link Physical Downlink Control Channel, acquiring unit 53, according to the described indication information in the described repeated link down control channel, obtain the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel.
Further, as described in Figure 8, described down control channel receiving element 52 can comprise: descrambling module 521, parsing module 522 and first acquisition module 523.
Wherein, if the repeated link Physical Downlink Control Channel of described reception is through the SI-RNTI scrambling, after receiving described repeated link down control channel, need further obtain described indication information, during the indication information of the described running time-frequency resource position that obtains in the repeated link Physical Downlink Shared Channel carrying repeated link system message, at first according to SI-RNTI described repeated link Physical Downlink Control Channel is carried out descrambling by descrambling module 521; Parsing module 522 is used to resolve the repeated link Physical Downlink Control Channel behind described descrambling module 521 descramblings; First acquisition module 523 is used for obtaining described indication information according to the repeated link control signaling of the repeated link Physical Downlink Control Channel after parsing module 522 parsings; Wherein, obtaining described indication information according to described repeated link control signaling is: after receiving described repeated link physical down control signaling, at first adjudicate whether there is repeated link control signaling in the described repeated link Physical Downlink Control Channel; If judge and have repeated link control signaling in the described repeated link Physical Downlink Control Channel, then from described repeated link Physical Downlink Control Channel, obtain described indication information, described indication information is carried in the repeated link Physical Downlink Control Channel, and described repeated link system message comprises the repeated link system configuration information.
Described acquiring unit 53 can comprise: the parsing module 531 and second acquisition module 532.The indication information of the described repeated link Physical Downlink Shared Channel running time-frequency resource position that described acquiring unit 53 carries in the repeated link Physical Downlink Control Channel that receives according to described down control channel receiving element 52, described repeated link Physical Downlink Shared Channel is resolved when obtaining the repeated link system configuration information that comprises in the repeated link system message, at first pass through parsing module 531 according to described indication information, described repeated link Physical Downlink Shared Channel is resolved obtain the repeated link system message; Second acquisition module 532 is used for that described parsing module 531 is resolved the repeated link system message that obtains and is uploaded to the radio resource control layer, by described radio resource control layer the described repeated link system message that obtains is resolved and to obtain the repeated link system configuration information, and described repeated link system configuration information returned, so that make described relay station realize communication between relay station and the network side apparatus according to the described repeated link system configuration information of obtaining.
In the embodiment of the invention, the repeated link system message that network side apparatus will comprise the repeated link system configuration information is mapped on the repeated link Physical Downlink Shared Channel, and give relay station with described repeated link Physical Downlink Shared Channel, and send to described relay station in the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position; Described relay station is after receiving described repeated link Physical Downlink Shared Channel and described repeated link down control channel, obtain the repeated link system configuration information that the repeated link system message that is carried on the repeated link Physical Shared Channel is comprised according to the described indication information in the described repeated link down control channel, make after starting relay function, when relay station is carried out the reception operation, the repeated link system configuration information is sent to relay station, so that relay station can receive the repeated link system configuration information, thus the normal operation of the system of realization.
And the transmission of this repeated link system message has only increased the repeated link system message in repeated link, subscriber equipment and network side are not made amendment, and under the prerequisite of the normal operation of assurance system, has improved the compatible type of system.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (14)
1. the method for a transmission system message is characterized in that, comprising:
The repeated link system message is mapped on the repeated link Physical Downlink Shared Channel;
Described repeated link Physical Downlink Shared Channel is sent to relay station;
The repeated link Physical Downlink Control Channel is sent to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
2. method according to claim 1 is characterized in that, the described repeated link system message is mapped on the repeated link Physical Downlink Shared Channel comprises:
Described repeated link system message is mapped on the transmission channel through logic channel;
Described repeated link system message is mapped on the repeated link Physical Downlink Shared Channel through transmission channel.
3. method according to claim 1 is characterized in that, described method further comprises:
According to service indicator-Radio Network Temporary Identifier SI-RNTI described repeated link Physical Downlink Control Channel is carried out scrambling.
4. method according to claim 1 is characterized in that, describedly described repeated link Physical Downlink Shared Channel is sent to relay station is:
Send number of times according to pre-configured repeating described repeated link Physical Downlink Shared Channel is sent to relay station.
5. according to each the described method in the claim 1 to 4, it is characterized in that described repeated link system message comprises the repeated link system configuration information, described repeated link system configuration information comprises at least a in the following parameter:
The resource distribution of the automatic request retransmission indicating channel of the physical mixed PHICH information of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, public land mobile radio communication PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, tsunami warning system ETWS information, repeated link and the Physical Random Access Channel PRACH of tie link.
6. the method for a transmission system message is characterized in that, comprising:
Receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel;
Receive the repeated link Physical Downlink Control Channel, described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position;
According to described indication information, obtain the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel.
7. method according to claim 6 is characterized in that, the repeated link Physical Downlink Control Channel of described reception is through the SI-RNTI scrambling; The indication information that obtains the running time-frequency resource position of carrying repeated link system message in the repeated link Physical Downlink Shared Channel comprises:
According to SI-RNTI described repeated link Physical Downlink Control Channel is carried out descrambling;
Resolve the repeated link Physical Downlink Control Channel behind the described descrambling, obtain described indication information according to the repeated link control signaling in the repeated link Physical Downlink Control Channel after resolving.
8. according to each the described method among the claim 6-7, it is characterized in that described repeated link system message comprises the repeated link system configuration information, described repeated link system configuration information comprises at least a in the following parameter:
The resource distribution of the PHICH information of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, ETWS information, repeated link and the PRACH of tie link.
9. method according to claim 8 is characterized in that, according to described indication information, obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel and comprises:
According to described indication information, described repeated link Physical Downlink Shared Channel is resolved, obtain described repeated link system message;
The repeated link system message that described parsing is obtained is uploaded to the radio resource control layer, and described radio resource control layer is resolved the described repeated link system message that obtains and obtained described repeated link system configuration information.
10. a network side apparatus is characterized in that, comprising:
Map unit is used for the repeated link system message is mapped to the repeated link Physical Downlink Shared Channel;
The DSCH Downlink Shared Channel transmitting element is used for described repeated link Physical Downlink Shared Channel is sent to relay station;
The down control channel transmitting element is used for the repeated link Physical Downlink Control Channel is sent to described relay station, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position.
11. network side apparatus according to claim 10 is characterized in that, described map unit comprises:
First mapping block is used for described repeated link system message is mapped to transmission channel through logic channel;
Second mapping block is used for described repeated link system message is mapped to the repeated link Physical Downlink Shared Channel through transmission channel.
12. according to claim 10 or 11 described network side apparatus, it is characterized in that, the repeated link system configuration information that described map unit is used for the repeated link system message is comprised is mapped to the repeated link Physical Downlink Shared Channel, and described repeated link system configuration information comprises at least a in the following parameter:
The resource distribution of the PHICH information of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, ETWS information, repeated link and the PRACH of tie link.
13. a relay station is characterized in that, comprising:
The DSCH Downlink Shared Channel receiving element is used to receive the repeated link Physical Downlink Shared Channel, carrying repeated link system message on the described repeated link Physical Downlink Shared Channel;
The down control channel receiving element is used to receive the repeated link Physical Downlink Control Channel, and described repeated link Physical Downlink Control Channel carries the indication information of described repeated link Physical Downlink Shared Channel running time-frequency resource position;
Acquiring unit is used for according to described indication information, obtains the repeated link system message of carrying on the described repeated link Physical Downlink Shared Channel.
14. relay station according to claim 13, it is characterized in that, described DSCH Downlink Shared Channel receiving element is used to receive the repeated link Physical Downlink Shared Channel, carrying comprises that the repeated link system message of repeated link system configuration information, described repeated link system configuration information comprise at least a in the following parameter on the described repeated link Physical Downlink Shared Channel:
The resource distribution of the PHICH information of the carrier frequency of the public resource configuration of the system bandwidth of repeated link, the sub-frame configuration of repeated link, repeated link, the content entry-into-force time of repeated link system message, PLMN identifier list, the antenna port information of adjacent sub-district, adjacent sub-district, ETWS information, repeated link and the PRACH of tie link.
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| CN2009102059526A CN102065516A (en) | 2009-11-17 | 2009-11-17 | Method and device for transmitting system message |
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Application publication date: 20110518 |