TWI335742B - Method and apparatus for scheduling transmissions via an enhanced dedicated channel - Google Patents

Description

丄幻5742 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a wireless communication system. Further edited m % η ^ 胃别疋' This invention is related to, the enhanced dedicated channel (E-DCH) scheduling method and [previous technology], the method of the second cover 'production and transmission time is currently under investigation

The loss has been proposed in the 3rd Generation Partnership Project, where the uplink resource channel (ie, scheduling and dispatching) is moved from the Radio Network Control Stealing (RNC) to the Node B.

Brother 1A shows a traditional wireless transmit/receive unit (such as a mobile station), a side media access control (MAC) architecture, a wireless transmit/receive unit, and a media access control architecture that includes 1-body access control. _es/media prefetch control-e entity 105, which includes different independent sub-layer entities within the media access control. Media access (4)·_work scores _ (4) How access control functionality is split into universal terrestrial wireless storage Taking the result in the network (Utran), the wireless transmission/reception unit side media access control architecture 1 further includes an idle media access control entity 110, a media access control c/sh 115, and a dedicated channel. Media Access Control (MAC-d) 120 and a Media Access Control Service Access Point (SAP) 125. Media Access Control_c/sh丨15 controls access except for High Speed Downlink Shared Channel (HS-DSCH) All shared transmission channels except 145. The dedicated channel media access control 120 can control access to all dedicated transmission channels 'Media Access Control-c/sh 115 and Media Access Control-hs 110. Media Access Control-hs 11 〇 Controllable access high catching chain sharing frequency 1335742 145 〇 The physical access control-es/media access control-e entity 105 can control the access enhanced dedicated channel 130, whereby the media access control-d 120 can access the enhanced dedicated channel 130 via the connection 135, while the media access control Sapi25 The enhanced dedicated channel 130 can be accessed via connection 140.

Figure 1B shows the media access control interaction operation in the conventional wireless transmitting/receiving unit of Figure 1A. As shown in FIG. 1B, the radio link control (11] 1 (:) protocol data unit (PDU) is connected to the media access control _d on the logical channel. The media access control _e header, the data description Indicator 1di) Field (6-bit) is the logic of the "Language" (c) _d stream and media access control ^ agreement data unit size 1 shot in the radio resource control (RRC) t said? The transmission is transmitted to the wireless transmission/reception unit setting. Data Description: The pirate, N-block (6-bit 70111 size) is the same data, the number of consecutive media access control _d agreement data units. data

Bit ^) is the first part of the emperor. Transmission serial number (T SN) clamp (6! Tiger strengthens the dedicated channel requirement shown in Figure 1A (Η - A ^ system-6 agreement 4 units are transferred to the hybrid automatic repeating unit to 丨i and then transferred to Wei Take control. Agreement 4 early layer 1 to facilitate transmission in the transmission time zone (TTI). It is expected to strengthen the dedicated and finder architecture. ', effective media access control of the batting transmission schedule [invention] " Block enhanced channel 姊 transmission method and device. Row 7 1335742 calculation. Remaining transmission power is for strong..., the rate requirement message is generated, where row = (c: wheel: force rate and rate request message Is used to select = material %1 remaining» / is scheduled to strengthen the dedicated channel transmission of the transmission wheel power by drawing the dedicated entity from the maximum allowable power; 4 =: dedicated entity control

The power (4) channel (HS_DPCCH), the power-enhanced rate tolerance of the enhanced dedicated entity control (E-DPCCH) is deducted to calculate. [Embodiment] Hereinafter, the 'wireless transmitting/receiving unit' name (4) includes but is not limited to a user equipment (UE) 'mobile station' fixed or mobile subscriber unit, pager, or any other type operable to the wireless environment towel The device is referred to as a 'B Node', including but not limited to a base station, an address controller, an access point, or any other interface device in a wireless environment. Thereafter, the 'media access control_e' noun will be used jointly to refer to media access control-e and media access control. The inventive features may be incorporated into an integrated circuit (IC) or configured to include In a circuit in a multi-interconnect assembly. Figure 2 shows a WTRU 200 media access control-e architecture 200 configured in accordance with the present invention. The WTRU 200 media access control-e architecture 200 includes a row The process permission processing unit 210, a remaining transmission power calculation unit 215 and a rate requirement processing unit 220. The schedule permission processing unit 21 can receive at least one schedule license from at least one wireless link group (RLS) and drive the current schedule. Licensing. Scheduling licenses may be an absolute license 225 (ie, Enhanced Private Channel Temporary Identifier (Ε-RNTI) is used to enhance the exclusive channel from the 1335574 service with enhanced primary and secondary identifiers. Decide whether the absolute license is primary or secondary), the relative license received from the service enhanced private channel radio link group or the relative license schedule received from the non-service enhanced private channel radio link The processing unit 210 may output the transport format combination selection labeled reinforced by the ^

The amount of scheduled power and the signal 240 used for scheduling data media access control. The amount of scheduled power can be identified as the ratio of the channel power to the dedicated entity. For example, if the dedicated entity controls the channel power to be p, the dedicated entity controls the channel power to have a ratio of two. Rows :: Two quantities can be identified as oblique, capital: used to prevent transmission format group selection and multiplex function from leaving the maximum transmission power of the main channel power measurement. If dedicated entity control

Different entities within ===, because of its rapid change: there are processing expenses. Furthermore, synchronizing time points is complicated. Therefore, because other scheduling related functions require the current dedicated entity to control the channel power, it is better to have only one entity in the media access control-e that is dedicated to controlling the channel power of the dedicated entity. When the media access control-e entity 1() 5 motivates the media access control e function, the process permission processing unit 21 can determine the current service license. The physical layer may provide an absolute grant 225 received from the AGCH indicating that the temporary channel wireless network temporary identifier is received primarily or secondaryly. The physical layer also provides relative permissions 230, 235, 1335742 received from each wireless link group indicating that the wireless link group is a service enhanced dedicated channel wireless link group or a non-service enhanced dedicated channel wireless link. The transmission is a ratio signal that controls the channel power for the current uplink dedicated entity. The current license is permanently reset by the absolute license 225 received by the primary enhanced private channel wireless network temporary identifier. If the wireless network temporary identifier or the permission setting of the secondary channel is previously enhanced, the absolute permission of the wireless network temporary identifier received by the secondary enhanced private channel only makes the current service permit. effective. The relative license 230 from the non-service enhanced dedicated channel wireless link adjusts the service license in steps or steps. The relative license of the non-service enhanced dedicated channel wireless link group can only reduce the service license in one step. When the relative grant from the non-serving enhanced dedicated channel radio link group is received downward, the hysteresis period is initiated while other relative grants are being ignored. The remaining transmission power calculation unit 215 can receive a signal 245 indicating the current dedicated entity control channel power estimated by the physical layer, indicating the dedicated channel transmission format combination selected by the media access control_d or the dedicated entity estimated by the physical layer. The data channel power signal is 25 〇, which can indicate that the power from the physical layer is active (and the power from other channels) must be from the maximum power.

The high speed dedicated entity controls the channel active signal 255 and the signal 2 6 Q indicating the maximum allowed rate (with power margin) from the lower layer management entity (LLME) configured by the Radio Resource Controller (RRC). If high-speed dedicated entity control channel 10 1335742

Premain _ ^allowed _ PdPDCH — PDPCCH — PflS-DPCCH Pe-DPCCH

Margin; Equation (1) where Pdpcch ' Pdpdch ' Phs-dpcch and Ρ ε-DPCCH represent the power requirements of the dedicated entity control channel, the dedicated entity data channel, the high-speed dedicated entity control channel, and the enhanced uplink dedicated entity control channel, respectively. The rate requirement processing unit 220 can monitor the triggering event of the rate requirement and trigger the scheduling information rate request when the triggering event occurs. The rate requirement processing unit 220 can provide logic to trigger rate requirements and logic to construct a rate requirement message 270 containing rate requirement bits. When new data on the logical channel mapped to the enhanced dedicated channel is received without the current scheduling permission, the rate requirement can be triggered, and the higher priority and the last reported new data is received and mapped to the enhanced On the logical channel of the dedicated channel, when there is no current scheduling permission and the rate requirement is updated and periodically generated (which is configured by the radio resource controller), and when the serving radio link group acknowledgement (ACK) is not transmitted previously When the rate is required to be received, the system generates an updated rate requirement. The rate requirement is the total buffering of any scheduled media access control-d stream, the highest priority data buffer occupancy of any media access control-d stream, and the enhanced power headroom available for dedicated channel transmission. Referring to Fig. 3, the media access control-e scheduling process 300 is explained as follows. The enhanced dedicated channel transmission time zone is monitored and it determines whether the scheduled information rate request triggers the occurrence and/or whether or not there is a licensed enhanced dedicated channel profile (step 302). If no rate is required to trigger the occurrence or no enhancement of the dedicated channel data' then the process waits until the next transmission time zone. 11 1335742 If the decision at step 302 is affirmative, then it is further determined whether there is available hybrid automatic repeat request processing (step 304). Before the enhanced transport format combination selection and enhanced dedicated channel data transmission, it is necessary to mix the automatic repeat request processing availability. If no hybrid automatic repeat request processing is available, then process 300 waits until the next transmission time segment. If the hybrid automatic repeat request processing is determined to be available at step 304, the current schedule grant and remaining transmit power calculations are respectively requested from the schedule grant processing unit 210 and the remaining transmit power calculation unit 215 (step 306). In step 308, the media access control -e control function cites the schedule and enhances the transport format combination selection function to generate a media access control-e protocol data unit. In step 310, the Media Access Control-e Protocol data unit is then forwarded to the available hybrid automatic repeat request processing with a unique power offset and a maximum number of retransmissions. In a separate embodiment that satisfies the media access control-e-protocol data unit forming point requirements, the pre-calculation of the possible media access control-e protocol data unit that accelerates the forming process is utilized. When the media access control_e entity is required to perform enhanced dedicated channel transmission with the remaining power budget, the forming process searches for a pre-formed media access control-e-protocol data unit table (ie, its formed media access control-e protocol) The data unit header and the appropriate data block agreement data unit) provide ready-made information to the hybrid automatic repeat request/physical layer. There are several methods of performing this prior processing depending on the time point requirements. Figure 4 shows an example of a pre-processed media access control-e protocol data unit format configured in accordance with the present invention. The pre-processed media access control-e-protocol data unit format contains a power budget that enhances the dedicated channel or equivalent, and is fully adapted to the budget or equivalent of fully formatted media access control 12 1335742 -e protocol data unit Header, transmission sequence number (TSNs) and data block indicator list, schedule information and padding bits. The power budget for the enhanced dedicated channel contains several expected powers or equivalents based on the final transmission power and current possible predictions. The Media Access Control-e Protocol Data Unit header is formatted based on this budget and the data priority on the same column. Fully formatted media access control-e-protocol The data unit header is described in terms of logical channel prioritization, and is considered for scheduled and non-scheduled data and budget to describe the Media Access Control-e-Agreement data unit. The header contains a data description indicator, N and a data description indicator stop. The media access control-es protocol data unit descriptor table column containing the transmission sequence number and the data access control-es data index corresponds to the same column formatted protocol data unit header. If the schedule information exists, it can be combined with the Media Access Control-e agreement data unit. The padding bit indicates the number of bits that are filled at the end of the media access control-e protocol data unit for that particular column. Fully formatted can use some of the following information: Enhance the power budget for dedicated channels or equivalents, data description indicators, scheduled or non-scheduled. This list is based on the priority of the tribute. Each column is a media access control -d stream (media access control - es protocol data unit). The power budget is listed for the expected power budget. The data description indicator represents media access control - d stream identification, logical channel identification and protocol data unit size. The Scheduled or Non-Scheduled column indicates that the contract data unit consumes a non-scheduled power budget or a scheduled power budget. Non-scheduled data can also be used in conjunction with scheduling information in the Media Access Control -e Agreement data unit. Although the features and elements of the present invention are described in a particular combination in the preferred embodiment of the present invention, the various features and elements do not require additional features and elements of the preferred embodiments, or with or without other features and elements of the present invention. It is used alone in various combinations. 1335742

BRIEF DESCRIPTION OF THE DRAWINGS The present invention can be understood in more detail from the following description of the preferred embodiments, in which: FIG. 1A shows a conventional wireless transmitting/receiving unit side medium access control architecture; FIG. 1B shows a first FIG. Prior art media access control interaction operation in a conventional wireless transmit/receive unit; FIG. 2 shows a wireless transmit/receive unit media access control-e architecture configured in accordance with the present invention; FIG. 3 is a diagram in accordance with the present invention A media access control-e scheduling process flow diagram; and a fourth diagram showing an example of a pre-processed media access control-e protocol data unit format configured in accordance with the present invention. 15 1335742 [Description of main component symbols] DCH dedicated channel DDI data description indicator DPCCH dedicated entity control channel E enhanced DPDCH dedicated entity data channel HS high speed DSCH downlink shared channel ID identifier HARQ hybrid automatic repeat request N field LLME lower management entity Opt selectable MAC media access control P power MAC-d dedicated channel media access control PCCH entity control channel PDU protocol data unit RLC radio link control RLS radio link group RRC radio resource control SAP media access control TFC transport format combination TSN transmission sequence number TTI transmission time slot WTRU radio transmission/reception unit 16

Claims (1)

133.5742 is the year &quot;month correction replacement page ten, the scope of application for patents: 1. A transmission of scheduled data through a dedicated channel, the method includes: Μ method 'calculate one of the scheduled data streams; calculation The enhanced dedicated channel transmits one of the remaining transmit powers. The generate-rate request message, wherein the scheduled power, remaining =, and rate request messages are used to select a transport format that is scheduled for the enhanced dedicated thousand transmission schedule. Combination and multiplex data. Channel 2. The method of claim 1, wherein the at least one schedule license received from the at least one wireless group is used to calculate the schedule power: ' 3. The method of claim 2, wherein The at least one schedule is an absolute license from an enhanced dedicated channel cell having a primary or secondary identifier. Such as: please specialize, the method of the second item 'where the at least one schedule permission ^ is one of the ones received from a service enhanced private channel wireless link group. 5. If you apply for the special (4) 2 method' At a minimum - the scheduling license is a relative license received from a non-service enhanced dedicated channel radio link group. 6. The method of claim 1 (4), wherein the _ residual transmission power is obtained by capturing a dedicated physical data channel, a physical control channel, a high-speed dedicated entity control channel, and a reinforcement upper channel from a maximum allowable power. The power of the body control channel and a power margin are calculated. 7. The method of claim 1, further comprising: 17 1335742 providing logic to trigger the rate request message; and providing logic to construct the rate requirement message, wherein the rate request message includes a complex rate requirement bit. 8. The method of claim 1, wherein the rate request message indicates a total buffer occupancy of any scheduled dedicated channel media access control data stream and an available power headroom space for enhanced dedicated channel data transmission. 9. The method of claim 1, wherein the rate request message is triggered if new data is received on a logical channel mapped to the enhanced dedicated channel and no current scheduling permission is available. 10. The method of claim 1, wherein the remaining transmission power is controlled by an estimated dedicated entity to control channel power, a maximum allowable power, a high-speed dedicated entity control channel active labeling, and enhanced dedicated channel transmission format combination or one. Estimate the power of the dedicated entity data channel to calculate. 11. The method of claim 1, wherein the rate request message is triggered if a last higher ranked priority is received on a logical channel mapped to one of the enhanced dedicated channels . 12. The method of claim 1, wherein the rate request message is triggered if no scheduling permission and rate requirements are updated and generated periodically. 13. The method of claim 1, wherein the update rate request message is generated if a service radio link group acknowledgment for the previously transmitted rate request message is not received. 14. A method for scheduling data transmission via a dedicated dedicated channel, the method comprising: 18 1335742 is a year of the month, the calf is modified to ride in each transmission time zone, and the following situation is monitored: at least one of the schedule information Whether the rate requirement triggers and enhances the availability of the dedicated channel data; determines whether a hybrid automatic repeat request processing is available or waits for the next transmission if the scheduled information rate request triggers and the enhanced dedicated channel data is available at least one of them. Round time section In the case that the hybrid automatic repeat request processing is available, a current schedule permission and a remaining transmission power calculation are required, otherwise waiting for the next transmission time segment; 'encitation scheduling and enhanced uplink transmission format combination selection function to generate one Strengthening the uplink media access control protocol data unit; and transferring, the media access control protocol data unit to the available hybrid automatic repeat request processing for transmission. 15. A configuration to establish an up key via the enhanced dedicated channel The wireless transmission/receiving unit of the (IV) dedicated channel for transmission and scheduling data transmission, the Haihai wireless transmission/reception unit includes: a 3-way license processing unit configured to calculate the scheduled power of one of the scheduled data streams; #汀异强化The dedicated channel is not transmitted, the remaining transmission power of the input unit is calculated; and the second rate is required to be called, and the configuration is to generate the rate request. The remaining transmission power is based on the maximum allowable power. = channel, - special _ system channel, - two,,, 1 power up the dedicated entity control channel power and a 19 1335742% <月岭日饯 is replacing the page power margin to calculate. 16. The WTRU of claim 15 wherein at least one of the scheduled grants received from the at least one wireless link group is used to calculate the scheduled power. 17. The WTRU of claim 16 wherein the at least one schedule license is an absolute license received from an enhanced dedicated channel cell having a primary or secondary identifier. 18. The WTRU of claim 16 wherein the at least one schedule license is a relative license received from a service enhanced dedicated channel radio link group. 19. The WTRU of claim 16 wherein the at least one schedule license is a relative license received from a non-service enhanced dedicated channel radio link group. 20. The WTRU of claim 15 wherein the rate request processing unit includes logic to trigger the rate requirement message and logic to construct the rate requirement message, wherein the rate requirement message includes a complex rate requirement Bit. 21. The WTRU of claim 15 wherein the rate requirement message indicates a total buffer occupancy of any scheduled dedicated channel media access control data stream and an enhanced power channel space available for enhanced dedicated channel transmission. 22. The wireless transmitting/receiving unit of claim 15 wherein the rate request message is triggered if there is no current scheduling permission and a new data is received on a logical channel mapped to the enhanced dedicated channel. . 20 1335742/Mf Day Correction Replacement Page 23. The wireless transmitting/receiving unit of claim 15 wherein the last reported higher is received on a logical channel mapped to one of the enhanced dedicated channels In the case of prioritized new data, the rate request message is triggered. 24. The WTRU of claim 15 wherein the rate request message is triggered if no scheduling permission and rate requirements are updated and generated periodically. 25. The WTRU of claim 15 wherein an update rate request message is generated if a serving radio link group acknowledgment for the previously transmitted rate requirement message is not received. 26. The WTRU of claim 15 wherein the schedule permission processing unit, the remaining transmission power calculation unit, and the rate requirement processing unit are included in an integrated circuit. 27. A wireless transmit/receive unit configured to establish an enhanced dedicated channel for uplink transmission and scheduled data transmission via an enhanced dedicated channel, the WTRU comprising: a scheduling grant processing unit, Configuring to calculate the scheduled power of the scheduled data stream; a remaining transmission power calculation unit configured to calculate the remaining transmission power of the enhanced dedicated channel transmission; and a rate requirement processing unit configured to generate a rate requirement message, wherein the remaining transmission power An estimated entity-controlled channel power, a maximum allowable power, a high-speed dedicated entity control channel active labeling, and an enhanced dedicated channel transmission format combination or an estimated dedicated entity data frequency 21 1335742 - a monthly replacement page Calculated based on the channel power. 28. The WTRU of claim 27, wherein the at least one schedule grant received from the at least one wireless link group is used to calculate the scheduled power. 29. The WTRU of claim 28, wherein the at least one schedule license is an absolute license received from an enhanced channel cell having one of the primary or secondary identifiers. 30. The WTRU of claim 28, wherein the at least one schedule license is a relative license received from a service enhanced dedicated channel radio link group. 31. The WTRU of claim 28, wherein the at least one schedule license is a relative license received from a non-service enhanced dedicated channel radio link group. 32. The WTRU of claim 27, wherein the rate request processing unit includes logic to trigger the rate requirement message and logic to construct the rate requirement message, wherein the rate requirement message includes a complex rate requirement Bit. 33. The WTRU of claim 27, wherein the rate request message indicates a total buffer occupancy of any scheduled dedicated channel media access control data stream and enhanced power channel space available for dedicated channel transmission. . 34. The wireless transmitting/receiving unit of claim 27, wherein the rate request message is triggered if there is no current scheduling permission and a new data is received on a logical channel mapped to the enhanced dedicated channel . 22 1335742 9% / month / f day correction replacement page 35. The wireless transmission/reception unit of claim 27, wherein the last reported one is received on a logical channel mapped to one of the enhanced dedicated channels In the case of high-priority new data, the rate request is triggered. 36. The wireless transmission/reception unit of claim 28, wherein the rate request message is updated without scheduling permission and the rate requirement is Triggered in the case of regular production. 37. The WTRU of claim 28, wherein an update rate request message is generated if a serving radio link group acknowledgment for the previously transmitted rate requirement message is not received. 38. The WTRU of claim 27, wherein the schedule permission processing unit, the remaining transmission power calculation unit, and the rate requirement processing unit are included in an integrated circuit. 39. A wireless transmission/reception unit configured to establish an enhanced dedicated channel for uplink transmission and scheduled data transmission via an enhanced dedicated channel, the WTRU comprising: a scheduling grant processing unit, Configuring to calculate one of the scheduled data streams; a remaining transmission power calculation unit configured to calculate one of the enhanced transmission power of the enhanced dedicated channel transmission; and a rate requirement processing unit configured to generate a rate request message, The scheduling power, remaining transmission power and rate requirement messages are used to select a transport format combination and multiplex data scheduled for the enhanced dedicated channel transmission. 23 1335742 界年/ 曰 曰 替换 替换 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 power. 41. The WTRU of claim 40, wherein the at least one schedule license is an absolute license received from an enhanced channel cell having one of a primary or secondary identifier. 42. The WTRU of claim 40, wherein the at least one schedule license is a relative license received from a service enhanced dedicated channel radio link group. 43. The WTRU of claim 40, wherein the at least one schedule license is a relative license received from a non-service enhanced dedicated channel radio link group. 44. The WTRU of claim 39, wherein the remaining transmission power is obtained by extracting a dedicated entity data channel, a dedicated entity control channel, a high-speed dedicated entity control channel, from a maximum allowed power, An enhanced uplink dedicated entity controls the power of the channel and a power margin to calculate. 45. The WTRU of claim 39, wherein the rate request message indicates a total buffer occupancy of any scheduled dedicated channel media access control data stream and enhanced power channel space available for dedicated channel transmission. . 46. The WTRU of claim 39, wherein the rate request message is triggered in the absence of a current scheduling grant and receipt of new data on a logical channel mapped to the enhanced dedicated channel. 24 1335742 9%/lunar day correction replacement page 47. The wireless transmission/reception unit of claim 39, wherein the remaining transmission power is controlled by an estimated dedicated entity, a maximum allowable power, a high speed The dedicated entity controls the channel active labeling and an enhanced dedicated channel transmission format combination or an estimated dedicated entity data channel power based on the calculation. 48. The WTRU of claim 39, wherein the last reported higher priority data is received on a logical channel mapped to one of the enhanced dedicated channels, triggering the Rate request message. 49. The WTRU of claim 39, wherein the rate request message is triggered if no scheduling permission and rate requirements are updated and generated periodically. 50. The WTRU of claim 39, wherein an update rate request message is generated if a service radio link group acknowledgment for the previously transmitted rate requirement is not received. 51. The WTRU of claim 39, wherein the schedule permission processing unit, the remaining transmission power calculation unit, and the rate requirement processing unit are included in an integrated circuit. 25 1335742 9? 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