CN101043709B - Method for realizing uplink wireless channel resource distribution - Google Patents

Method for realizing uplink wireless channel resource distribution Download PDF

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CN101043709B
CN101043709B CN2006100654858A CN200610065485A CN101043709B CN 101043709 B CN101043709 B CN 101043709B CN 2006100654858 A CN2006100654858 A CN 2006100654858A CN 200610065485 A CN200610065485 A CN 200610065485A CN 101043709 B CN101043709 B CN 101043709B
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data
physical signal
signal resource
ascending physical
indication
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CN101043709A (en
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余承宇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The disclosed allocating method for up wireless channel resource comprises: to the down business data, requiring UE to feedback the first data business of down business data ACK message; during sending the down business data, B node carries the first up physical resource indication to UE. Wherein, the first up physical resource indication message can indicate the up physical resource for transmitting the down business data ACK message to the UE. This invention reduces up signaling expending and time delay, and improves network efficiently.

Description

A kind of implementation method of uplink wireless channel resource allocation
Technical field
The present invention relates to LTE (Long Term Evolution, Long Term Evolution) technology, the particularly implementation method of uplink wireless channel resource allocation wherein of 3GPP (The 3rd Generation Partnership Project, the 3rd generation partner program).
Background technology
DCH (the DedicatedChannel of version before uplink wireless channel is reached by R6 in the LTE technology of 3GPP, dedicated channel), E-DCH (Enhanced Dedicated Channel, the dedicated channel that strengthens) becomes SCH (Shared Channel, shared channel), therefore existing network need provide new uplink wireless channel resource allocation and indicating mechanism for realizing the LTE technology.
For addressing the above problem, prior art comprises following several solution.
First kind of solution is described below, and this scheme comprises the steps:
Step a, UE (User Equipment, subscriber equipment) from Node B (Node B) request resource, dispatch request with the form of schedule information and Happy bit in uplink, schedule information is at MAC-e (Medium Access Control-enhanced entity, media interviews control enhancing entity) transmit in the packet header, the Happy bit is gone up transmission at E-DPCCH (Enhanced Dedicated Physical Control Channel, the Dedicated Physical Control Channel of enhancing);
Step b, Node B sends resource indication (scheduling authorization: its spendable maximum ascending physical signal resource quantity of notice UE Scheduling Grant), Node B can use (the Serving RadioNetwork Controller from SRNC, service wireless network controller) information relevant with QoS (Quality of Service, service quality) of Huo Deing reaches and determines scheduling authorization from the dispatch request information of UE.
Among the step b, the frequency that Node B sends scheduling authorization can be each TTI (Transmission TimeInterval, Transmission Time Interval) sends once or send once for more time, scheduling authorization has two types mandate: absolute grant and relative authorization, wherein absolute grant provides UE spendable UL (UpLink, up link) upper limit of resource, relative authorization then further increased or reduced on UE originally uses the basis of UL resource.
Yet above-mentioned solution does not clearly propose the transmit mechanism of scheduling authorization at different business.
Another solution is proposed by IEEE 802.16, it is in order to support multimedia service, be used in combination clean culture, 3 kinds of inquiry modes of multicast and broadcasting to support different QoS, 4 kinds of dispatching services types have been defined: unsolicited grant service, real-time inquiry business, non real-time inquiry business and Best-Effort service, and the bandwidth request mode of every kind of type of service stipulated, be described below respectively:
Unsolicited grant service: be used to transmit the fixed rate real-time data service, T1/E1 and do not have VoIP of silence compression etc. for example, by BS (Base Station, the base station) dispatches in the pressure mode periodically, do not accept (Subscriber Station from SS, subscriber station) request bans use of incidentally request simultaneously.BS has avoided the expense and time delay and the delay variation requirement of time delay to satisfy real time business of bandwidth request introducing like this based on the mandate that the MSTR (maximum service rate continuously) of Business Stream periodically provides regular length.SS can be by the PM (Poll-Me in the frame, the connection band) other non-unsolicited grant service streams that are set under the same SS of bit are asked clean culture chances, change the authorization number in certain authorization cycles if desired, SS must start DSC (Dynamical Service Changing, dynamic service changes) process;
Real-time inquiry business: be used to support the variable bit rate real time business, be to design for the business demand that satisfies dynamic change, as MPEG (Motion Picture Experts Group, Motion Picture Experts Group) video traffic, BS provides periodic unicast inquiry request chance for real-time inquiry business, and ban use of other contention requests chances and incidentally request because SS files a request, the expense of agreement and the time increase of postponing a meeting or conference;
Non real-time inquiry business: the non-real-time data stream of supporting variable-length packets aperiodic, the internet that requires as guaranteed minimum-rate inserts, BS provides cycle or the irregular unicast request opportunities longer than real-time inquiry business, can use contention requests (multicast or broadcasting) chance, even initiatively authorized, can be configured to different priorities;
Best-Effort service: support non real-time not have the Packet data service of any speed and delay variation requirement, as E-mail and note etc., not requiring provides throughput and time delay to guarantee, it allows to use the request chance of any kind and incidentally request.
Only considered the fixed rate real-time data service for the active licensing scheme in the above-mentioned solution by IEEE 802.16 propositions.
Therefore, the existing technical scheme existence does not clearly propose the transmit mechanism of scheduling authorization at different business, even perhaps proposed the transmit mechanism at different business, it is at the also very single problem of object.
Summary of the invention
The object of the present invention is to provide a kind of implementation method of uplink wireless channel resource allocation, the transmit mechanism appropriate design scheduling authorization at different business reduces up signaling consumption and time delay simultaneously.
To achieve these goals, the invention provides a kind of implementation method of uplink wireless channel resource allocation, need first data service of subscriber equipment feeding back downlink business datum confirmation for downlink service data, Node B is carried the indication of the first ascending physical signal resource when downlink service data sends and is sent to described subscriber equipment, and described first ascending physical signal resource indication is used for the ascending physical signal resource that sends described downlink service data confirmation is indicated to described subscriber equipment.
The implementation method of above-mentioned uplink wireless channel resource allocation, wherein, described ascending physical signal resource indication utilizes media access control protocol data unit or physical control channel transmission.
The implementation method of above-mentioned uplink wireless channel resource allocation wherein, comprises the one or more parameters in time domain, frequency domain, sign indicating number territory, the transmitted power in the described first ascending physical signal resource indication.
The implementation method of above-mentioned uplink wireless channel resource allocation, wherein, the transformat of described downlink service data confirmation and modulation system are determined by the MAC layer scheduler or the described subscriber equipment of described Node B.
The implementation method of above-mentioned uplink wireless channel resource allocation, wherein, when described subscriber equipment needed second data service of uplink in addition, described first ascending physical signal resource indication merged transmission or separates transmission with the ascending physical signal resource indication of described second data service.
The implementation method of above-mentioned uplink wireless channel resource allocation, wherein, the mode that the content of described first ascending physical signal resource indication adopts resource index or resource is described in detail.
The implementation method of above-mentioned uplink wireless channel resource allocation, wherein, described data service is Non-Access Stratum data service or automatic repeat requests affirmation mode business.
Need the data service of subscriber equipment feeding back downlink business datum confirmation for downlink service data, the implementation method of uplink wireless channel resource allocation of the present invention sends to described subscriber equipment by when downlink service data sends the indication of the first ascending physical signal resource being carried, UE does not need to ask ascending resource under the normal condition, reduce up signaling consumption and time delay, effectively raised network efficiency.
Description of drawings
Fig. 1 is the implementation method first embodiment schematic flow sheet of uplink wireless channel resource allocation of the present invention;
Fig. 2 is the implementation method second embodiment schematic flow sheet of uplink wireless channel resource allocation of the present invention.
Embodiment
The implementation method of uplink wireless channel resource allocation of the present invention needs the situation (for example FTP downloading service) of UE feedback acknowledgment information at downlink service data, carry the indication of ascending physical signal resource by Node B simultaneously in the downlink service data transmission, this ascending physical signal resource indication is used for the ascending physical signal resource that sends the downlink service data confirmation is indicated to UE.
This ascending physical signal resource indication can be transmitted in MAC PDU (Protocol Data Unit, protocol Data Unit), also can transmit on physical control channel.
Can comprise the one or more parameters in time domain, frequency domain, sign indicating number territory, the transmitted power in this ascending physical signal resource indication.
If UE does not receive the indication of ascending physical signal resource when needs send downlink service data confirmation data, then use the competitive channel request, indication Node B does not receive effective resource authorization information, the ascending physical signal resource that maybe please look for novelty in the expected time.
Implementation method first embodiment of uplink wireless channel resource allocation of the present invention describes with NAS (Non-Access Stratum, Non-Access Stratum) data instance, as shown in Figure 1, specifically may further comprise the steps:
Step 101, network side aGW (access Gateway, IAD) with eNode B (EnhancedNode B, the Node B that strengthens) Radio Link is set up in communication, and the MAC layer of indication eNode B, whether the NAS data need to carry out the timing relationship of up feedback, feedback data (NAS data validation information) and descending transmission data, each feedback data amount;
Step 102, the MAC layer scheduler schedules downlink data of eNode B sends resource, select to be used to send the ascending physical signal resource of NAS data validation information simultaneously by scheduling, this NAS data validation transmission of Information form and modulation system can be determined or be determined by UE by the MAC layer scheduler of Node B;
Step 103, eNode B utilizes the downlink data of selecting to send resource and sends downlink service data, carry the indication of ascending physical signal resource simultaneously, this ascending physical signal resource indication indication UE is used to send the ascending physical signal resource of NAS data validation information, this ascending physical signal resource indication can be transmitted in the MAC PDU of Node B transmission business datum, also can on physical control channel, transmit, when also having other uplink services simultaneously, UE need transmit, the ascending physical signal resource indication of NAS data validation information can merge with the ascending physical signal resource indication that these other uplink services need, perhaps separate, simultaneously, the resource instruction content multiple modes such as mode that can adopt resource index or resource is described in detail.
So far, eNode B carries the indication of ascending physical signal resource and sends to described subscriber equipment, and subscriber equipment is received the indication of ascending physical signal resource in the expected time, then sends NAS data validation information on the ascending physical signal resource of appointment; Otherwise the use competitive channel, indication eNode B does not receive effective resource authorization information, the ascending physical signal resource that maybe please look for novelty in the expected time.
Implementation method second embodiment of uplink wireless channel resource allocation of the present invention is with ARQ (Automatic Repeat Request, automatic repeat requests) AM (Acknowledged Mode, affirmation mode) business datum is that example describes, for ARQ AM business, the feedback information of UE is ARQ status report or ARQ data retransmission, as shown in Figure 2, specifically may further comprise the steps:
Step 201, network side aGW communicates by letter with eNode B and sets up Radio Link, and the professional timing that sends the ARQ status report of this ARQ AM of indication eNode B (for example send the cycle, perhaps send how many ARQAM business datum amounts then need report), and the data volume of report data;
Step 202, the MAC layer scheduler schedules downlink data of eNode B sends resource, select to be used to send the ascending physical signal resource of ARQ status report or ARQ data retransmission simultaneously by scheduling, the transformat of this ARQ status report confirmation or ARQ data retransmission and modulation system can be determined or be determined by UE by the MAC layer scheduler of eNode B;
Step 203, eNode B utilizes the downlink data of selecting to send resource and sends downlink service data, carry the indication of ascending physical signal resource simultaneously, this ascending physical signal resource indication indication UE is used to send the ascending physical signal resource of ARQ status report or ARQ data retransmission, this ascending physical signal resource indication can be transmitted in the MAC PDU of eNode B transmission business datum, also can on physical control channel, transmit, when also having other uplink services simultaneously, UE need transmit, the ascending physical signal resource indication of ARQ status report or ARQ data retransmission can merge with the ascending physical signal resource indication that these other uplink services need, perhaps separate, simultaneously, the resource instruction content multiple modes such as mode that can adopt resource index or resource is described in detail.
So far, eNode B carries the indication of ascending physical signal resource and sends to described subscriber equipment, and subscriber equipment is received the indication of ascending physical signal resource in the expected time, then sends ARQ status report or ARQ data retransmission on the ascending physical signal resource of appointment; Otherwise the use competitive channel, indication eNode B does not receive effective resource authorization information, the ascending physical signal resource that maybe please look for novelty in the expected time.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (9)

1. the implementation method of a uplink wireless channel resource allocation, it is characterized in that, need first data service of subscriber equipment feeding back downlink business datum confirmation for downlink service data, Node B is carried the indication of the first ascending physical signal resource when downlink service data sends and is sent to described subscriber equipment, described first ascending physical signal resource indication is used for the ascending physical signal resource that sends described downlink service data confirmation is indicated to described subscriber equipment, and described implementation method specifically comprises:
Step 101, the network side gateway is communicated by letter with described Node B and is set up Radio Link, and indicate the MAC layer of described Node B, first data service whether to need to carry out the timing relationship of up feedback, downlink service data confirmation and descending transmission data, each feedback data amount;
Step 102, the MAC layer scheduler schedules downlink data of described Node B sends resource, selects to be used to send the ascending physical signal resource of described downlink service data confirmation simultaneously by scheduling;
Step 103, the downlink data that described Node B utilization is selected sends resource and sends downlink service data, carries described first ascending physical signal resource indication simultaneously.
2. method according to claim 1 is characterized in that, described ascending physical signal resource indication utilizes media access control protocol data unit or physical control channel transmission.
3. method according to claim 1 is characterized in that, comprises the one or more parameters in time domain, frequency domain, sign indicating number territory, the transmitted power in the described first ascending physical signal resource indication.
4. method according to claim 1 is characterized in that, the transformat of described downlink service data confirmation and modulation system are determined by the MAC layer scheduler or the described subscriber equipment of described Node B.
5. method according to claim 1, it is characterized in that, when described subscriber equipment needed second data service of uplink in addition, described first ascending physical signal resource indication merged transmission or separates transmission with the ascending physical signal resource indication of described second data service.
6. method according to claim 1 is characterized in that, the mode that the content of described first ascending physical signal resource indication adopts resource index or resource is described in detail.
7. method according to claim 1, it is characterized in that, described subscriber equipment is received described first ascending physical signal resource indication in the expected time, then on the ascending physical signal resource of appointment, send described downlink service data confirmation, otherwise described subscriber equipment uses competitive channel, described Node B is given in indication, and it does not receive effective resource authorization information in the expected time, the ascending physical signal resource that maybe please look for novelty.
8. method according to claim 1 is characterized in that, described first data service is the Non-Access Stratum data service, and described downlink service data confirmation is a Non-Access Stratum data validation information.
9. method according to claim 1 is characterized in that, described first data service is automatic repeat requests affirmation mode business, and described downlink service data confirmation is automatic repeat requests status report or automatic data retransmission.
CN2006100654858A 2006-03-22 2006-03-22 Method for realizing uplink wireless channel resource distribution Expired - Fee Related CN101043709B (en)

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CN101483881A (en) * 2008-01-07 2009-07-15 华为技术有限公司 Method and apparatus for controlling uplink resource release by user equipment
EP2283600B1 (en) * 2008-05-30 2018-05-09 InterDigital Patent Holdings, Inc. Method and apparatus for delivery notification of non-access stratum retransmission
CN102017749B (en) * 2008-09-02 2016-05-11 上海贝尔股份有限公司 The method and apparatus that in Radio Access Network, request and processing ascending resource distribute
CN101674641B (en) * 2008-09-10 2012-02-08 中兴通讯股份有限公司 Control method based on wireless communication system downlink inter-cell interference
CN101938344A (en) * 2009-06-29 2011-01-05 宏达国际电子股份有限公司 Method for handling transmission status and related communication device
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CN105359604B (en) * 2014-02-28 2020-02-14 华为技术有限公司 Method, device and system for communication by using unlicensed spectrum
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CN106301700A (en) * 2016-08-11 2017-01-04 宇龙计算机通信科技(深圳)有限公司 The information feedback method of a kind of upstream data and relevant device
CN106301699A (en) * 2016-08-11 2017-01-04 宇龙计算机通信科技(深圳)有限公司 The information feedback method of a kind of downlink data and relevant device
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