329 results about "High-Speed Uplink Packet Access" patented technology

A wireless communication system (100) and method for providing high speed uplink packet access from user equipment (128, 130) to a base station (114, 116, 118, 120). Each of the user equipment (128, 130) and the base station (114, 116, 118, 120) includes a transmitter (1106, 1206), a receiver (1104, 1204), and a controller (1108, 1208) coupled to the transmitter and the receiver. Data packets are transmitted from the user equipment (128, 130) to the base station (114, 116, 118, 120). Control information, corresponding to the data packets, is transmitted from the base station (114, 116, 118, 120) to the user equipment (128, 130). The control information includes an absolute grant channel indicator and/or channelization code(s) assigned to the user equipment (128, 130). The controller (1108) of the user equipment (128, 130) is configured to minimize a number of channelization code per scheduling active set cell to be monitored by the user equipment based on the absolute grant channel indicator and/or to utilize the channelization code(s) in response to handoff and/or entering an active channel state.

Congestion in a radio access network (RAN) associated with transporting uplink information originating from one or more mobile terminals is detected. That detected RAN congestion is reduced using any suitable technique (several examples are described) and may be implemented in one or more nodes in the RAN. One advantageous (but non-limiting) application is to a RAN that supports high speed uplink packet access (HSUPA) and/or one or more enhanced uplink dedicated channels (E-DCHs).

The specification and drawings present a new method, system, apparatus and software product for coordinating gating of an uplink (UL) control channel, e.g., a dedicated physical control channel (DPCCH), with UL reporting in regard to a downlink channel using, e.g., high speed uplink packet access (HSDPA) channel quality indicator (CQI) reporting.

The present invention provides a time division synchronous code division multiple access (TD-SCDMA) system for controlling enhanced uplink random access, including user equipment (UE), node B and serving radio network controller. The present invention also provides a method for controlling the enhanced uplink random access in a time division synchronous code division multiple access system, including: in high speed uplink packet access scheduling service of time division synchronous code division multiple access system, the higher layer of network side deploys a timer at the user equipment side; if the user equipment still needs to transmit data when the current available grant expires, it starts up the timer which is used as the delay time of initiating the enhanced uplink random access. According to the ability of the network side in controlling E-DCH resources, the present invention can be used to control the time delay that UE initiates the enhanced uplink random access after one grant expires, so as to avoid invalid random access; meanwhile the present invention provides a reliable mechanism for the enhanced uplink random access. By using the method of this invention, system resources can be reasonably utilized, thereby greatly improving the system efficiency.

Radio resource control in an HSUPA system is provided. The control procedure includes communicating data blocks between user equipment and a network infrastructure over a physical High Speed Uplink Packet Access channel, and communicating block information messages between the user equipment and the network infrastructure. The control procedure also includes adjusting a power offset value between the physical High Speed Uplink Packet Access channel and a Dedicated Physical Control Channel on the basis of at least one block information message.

A radio resource control in an HSUPA system is provided. The control procedure includes: communicating data blocks between user equipment and a network infrastructure over a physical High Speed Uplink Packet Access channel; communicating block acknowledgement messages between the user equipment and the network infrastructure, each block acknowledgement message indicating whether or not a data block was received successfully; and controlling transmission power of the physical HSUPA channel on the basis of at least one block acknowledgement message.

A cellular communication system (100) comprises a first base station (103) which schedules resource for a user equipment (101). When receiving a resource allocation message, the user equipment (101) transmits a first message comprising a transmit indication to a plurality of base stations (103-109) wherein the transmit indication is indicative of a subsequent transmission of a second message. The user equipment (101) then proceeds to determine a transmit format for the second message; and to transmit the second message to the plurality of base stations (103-109) using the transmit format. When receiving the transmit indication, the plurality of base stations (103-109) proceed to configure their receivers to receive the second message. The first message may be transmitted in a control channel and the second message may be transmitted in a user data channel. The invention is particularly applicable to a High Speed Uplink Packet Access HSUPA service in a UMTS cellular communication system and may facilitate soft handover.

Systems and methods for providing an efficient mechanism for transmitting information needed to receive a secondary carrier over an existing message protocol on a primary carrier for a multiple carrier capable communications terminal. The receiver terminal may receive, on a primary carrier, a message containing information including a timing offset and a cell identification for a secondary carrier, for example. The communications terminal may then correlate a receiver to receive the secondary carrier without the need for a separate synchronization signal on the secondary carrier. These embodiments result in additional efficiency in a communications system.

The invention relates to a high speed up link grouping access method of a multicarrier system, comprising: arranging E-AGCH, E-PUCH and E-HICH physical channel on one or a plurality of carriers; distributing useable E-AGCH, E-PUCH and E-HICH physical channel to for associate use on one or a plurality of carrier(s) through high level signaling; respectively building a MAC-e/MAC-es entity and a HARQ entity thereof and a course shared by each carrier at a network side and a terminal side, dynamically mapping the scheduling E-DCH transmitting data onto an E-PUCH physical channel of a carrier through the entity. The Node B dynamically schedules and authorizes the E-PUCH physical channel of the carrier to the terminal for E-DCH data transmission through E-AGCH carried with carrier indicating information. Receiving condition of E-DCH transmission on the carrier is fed back through the E-HICH physical channel.

The invention provides a dispatching method for a media access control layer with high-speed uplink packet access and a system thereof. The method comprises the steps that: Step S102. the priority levels of users applying for dispatching are determined and ranking is carried out according to the priority levels; Step S104. combination is carried out to available slot times and code channels so as to cause various combinations to have the same spreading factor and code channel in different slot times; Step S106. the combination of slot times and code channels that can transmit reported caching data in a maximum manner is selected for users with the highest priority level and the minimum TBS that can cache transmission in a maximum manner is selected from the TBS of the users with the highest priority level; Step S108. as for the rest code channel resources, users with the priority level following the highest level are selected to be the users with the highest priority level to carry out authorization assignment, and Step S106 is carried out until that dispatching user number which the system can support simultaneously is achieved or resource allocation is finished.

The invention provides a high-speed uplink packet access method comprising the following steps: reporting SI to a Node B by UE in a dispatching request; respectively reporting SNPL aiming at each HSUPA carrier wave in the SI; using a difference value between the total maximum transmitting power of the UE and all uplink carrier wave power which is planned to be used as UPH to report without dividing the UE; using a total data size in a UE buffer area as TEBS to report; using identify labels of logic channels with the highest priority level in logic channels with data to be transmitted of the UE as HLID to report; using a data amount as HLBS to report; and distributing resources by the Node B according to the information reported by the UE. The high-speed uplink packet access method completes the dispatching request and a dynamic dispatching process of multi-carrier HSUPA and realizes the transmission of the multi-carrier HSUPA.

An embodiment of the invention discloses a data transmission control method, a device and a system thereof. The invention relates to the technical field of communication and is invented for increasing the usage factor of uplink bandwidth of transmission link between the base station controller and the base station. The method comprises the following steps: obtaining the residual cache time of high speed uplink chain grouping access service queue; when the residual cache time is smaller than the congestion time threshold, reducing the flow of high speed uplink grouping access service; and when the residual cache time is larger than the congestion time threshold, increasing the flow of high speed uplink grouping access service. The embodiment of the invention is mainly applied for the uplink flow control technique of base station.

The invention discloses an authorization allocating method of an HSUPA (high speed uplink packet access) network. The method comprises the following steps that, Step 1, an HSUPA dispatcher allocates an authorization to a user terminal based on the service requirement of the user terminal; Step 2, the user terminal keeps the authorization until the service requirement of the user terminal changes, and the Step 1 is returned to; and the user terminal uses the authorization only when data packets need to be transmitted; and Step 3, the available load of a cell to be dispatched in a dispatching cycle is calculated based on a formula provided by the invention; and the HSUPA dispatcher can allocate the authorization to the user terminal in the cell to be dispatched more reasonably based on the calculated available load. The invention also provides a corresponding authorization allocating device of the HSUPA network. By using the method and the device, the delay of the authorization allocation existing in the HSUPA network can be avoided when a burst service occurs, thereby effectively avoiding the delay jitter of the user terminal.

The invention relates to a video monitoring and transmission device based on the TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) network, belonging to the technical field of video information transmission equipment. The video monitoring and transmission device comprises a video data acquisition unit, a video monitoring center and a user handheld device, wherein the video data acquisition unit comprises a core board circuit and a TD HSUPA (Time Division High Speed Uplink Packet Access) module, the core board circuit is connected with a camera, a pan/tilt decoder and the TD HSUPA module, and the acquisition and the compression of video signals and the packaging of streaming media data can be realized; the video monitoring center provides service for the transmission, the storage and the forwarding of video data in the network, transmits the video data to the user handheld device and realizes real-time monitoring; and the user handheld device realizes field real-time monitoring and remote pan/tilt control through system play software installed on the user handheld device. The video monitoring and transmission device has quick video information transmission, high quality, low cost, good application prospect and environmental protection.

The invention provides an HSUPA (High Speed Uplink Packet Access) scheduler and a scheduling method by adopting MU MIMO (Multiple User Multiple Input Multiple Output) technology, aiming to realize the scheduling of UE so as to share the resource except the resource occupied by the uplink channels scheduling E-PUCH (Enhanced Physical Uplink Channel) resource in MU MIMO mode or the uplink idle resource. The scheduling of the uplink channels out of the E-PUCH includes but not limited to: UL-DPCH (Uplink Dedicated Physical Channel), unscheduled E-PUCH, SPSE-PUCH, HS-SICH (High Speed Shared Information Channel), PRACH (Physical Random Access Channel) and E-RUCCH (E-DCH (Enhanced Dedicated Channel) Random-Access Uplink Control Channel). If the uplink channel types in the later TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) system increase, the invention can be extended to apply to the increased uplink channels, namely the scheme can realize the scheduling of UE to multiplex uplink resources constituted by all uplink time slots in MU MIMO mode, so the uplink throughputs and the uplink peak rate of the HSUPA can be improved. The invention also provides a midamble shift in a default configuration mode to distribute the midamble shift for the HSUPA UEs which multiplex the same resource.

Apparatus, methods and computer program products operate a radio network controller in a wireless communications system to determine a factor to be used by user equipment operative in the wireless communications network to determine a gain factor for an E-TFC based on the gain factor of a reference E-TFC; and to signal the factor to the user equipment. The radio network controller may select the factor based on at least one criterion. In another aspect, apparatus, methods and computer program products operate user equipment to receive a factor from a wireless communications network, and to use the factor transmitted by the wireless communications network to determine a gain factor that relates a data signal to be transmitted by the user equipment in a data channel and a control signal transmitted by the electronic device in a control channel, where the control signal transmitted in the control channel carries information for use in receiving the data signal. In additional aspects, the user equipment is further configured to select a formula for use in determining the gain factor in dependence on signaling received from the wireless communications network.

The invention discloses a method for reporting scheduling information, which is suitable for the condition that User equipment (UE) supports a multicarrier High Speed Uplink Packet Access (HSUPA). In the method, the current path loss information of Total Enhanced Dedicated Channel (E-DCH) Buffer State (TEBS), High Priority Logic Channel Buffer State (HLBS), High Priority Logic Channel Identity (HLID), Service Cell and Neighborhood Cell Path Loss Information (SNPL), closed loop UE Power Allowance (UPH) or UE of the multicarrier HSUPA supported by the UE are filled in the scheduling information, and corresponding methods for reporting the scheduling information to the NODEB are provided aiming at the fact that whether the UE adopts an Enhanced Physical Uplink Channel (E-PUCH) or not so as to solve the problems that UE constructs and reports the scheduling information when the UE supports the multicarrier HSUPA.

The embodiment of the invention provides a method for adjusting transmission time interval TTI. The method mainly comprises the following steps: obtaining current service flow of a high-speed uplink packet access HUSPA channel; comparing the obtained current service flow with a predetermined threshold; and adjusting the TTI of the HUSPA channel according to the current TTI and the comparison result. The embodiment of the invention also provides a TTI adjusting device and a wireless network controller. The method, the TTI adjusting device and the wireless network controller can adjust the TTI of the HUSPA channel according to the actual service flow so that the TTI not only satisfies the need of data transmission but also can try to improve the channel resource utilization rate of a base station.

The present invention provides a serving-grant allocation method for a high-speed uplink packet access system. It includes these steps: a. Transmission of the serving-grant initial allocation message to mobile subscribers via network; b. The mobile subscriber decides whether setting the stored-secondary-grant is needed based on the initial allocation message description. If it is needed, then set the stored-secondary-grant to the value indicated in the aforementioned initial allocation message. The present invention solves problems such as the mobile subscriber can not allocate stored-secondary-grant during wireless channel allocation, or the primary/secondary grant can only allocate one out of the two, and the subsequent process issues that occur as a result of stored-secondary-grant not being set up during the initial allocation with the existing technology. The present invention effectively enhances the usage of the wireless channel and network's capacity to exercise control over mobile subscribers, thereby reducing system complexity, and improving system performance.