246results about How to "Save wireless resources" patented technology

The invention discloses a method and a device for D2D (door-to-door) terminal communication. The method comprises the following steps that: a first user device obtains information related with a distance, wherein the distance is a distance between the first user device and a second user device; the first user device reports the information related with the distance to a base station; the first user device or the second user device sends a first device-to-device caching state report to the base station, wherein the first device-to-device caching state report comprises a caching state report of the first user device and / or a caching state report of the second user device; and the first user device receives the first device-to-device caching state report responding to the base station, distributes the resources and transmitting powers used by device-to-device communication between the first user device and the second user device according to the information related with the distance, and performs the device-to-device communication based on the distributed resources and the distributed transmitting powers used by the device-to-device communication between the first user device and the second user device.

The invention provides a network slice configuration method, a network slice configuration device, a radio access network RAN node and a terminal, wherein the method comprises the steps of: sending basic slice configuration information to the terminal, so that the terminal reports pre-configured network slice selection assisted information used for network slice selection; and, according to the network slice selection assisted information, sending a target message to the terminal, so that the terminal determines a target RAN slice in multiple alternative RAN slices corresponding to each supported core network CN slice according to the target message. By means of the network slice configuration method, the network slice configuration device, the radio access network RAN node and the terminal provided by the invention, multiple CN slices are mapped to an RAN slice, so that one RAN node can support a lot of CN slices; therefore, the radio resources of the RAN node can be saved; and furthermore, the processing capability of the RAN node can be improved.

The invention discloses a downlink component carrier wave identification method, including the followings: the system information of each downlink component carrier wave in a set of downlink component carrier waves at least includes frequency point information bearing the downlink component carrier wave of random access response, or includes frequency point bearing the downlink component carrier wave of random access response and bandwidth information thereof; or at least includes identification information bearing the downlink component carrier wave of random access response, and the identification information and frequency point information of each downlink component carrier wave, or the identification information, frequency point and bandwidth information of each downlink component carrier wave. Or, the corresponding relation between each downlink component carrier wave of a set of downlink component carrier waves and random access leader sequence is set, and the system informationof each downlink component carrier wave in a set of downlink component carrier wave at least includes self-identification information and the number information of downlink component carrier wave in a set of downlink component carrier waves. Simultaneously, the invention also discloses a reporting method and a device of synchronous downlink component carrier wave. The invention is simply realizedand is practical.

The invention provides a method for selecting relay UE from remote UE. The method comprises steps that a, broadcast or multicast of relay discover request messages is carried out outside a network coverage scope into the network coverage scope by the remote UE; b, response messages which are fed back by at least one candidate relay UE and correspond to the relay discovery request messages are received, and the response messages comprise the wireless access network connection state information of the candidate relay UE and / or the information of frequency utilized between the candidate relay UE and other service cells; c, according to the response messages, and link quality between the remote UE and the at least one candidate relay UE measured by the remote UE, a candidate relay UE is selected from the at least one candidate relay UE as relay UE of the remote UE; and d, direct communication with the relay UE is established, so the remote UE is made to communicate with the network through the relay UE.

This invention provides a method and a device for sending and acquiring synchronization information block. The method for sending the synchronization information block comprises the steps that a synchronization information block is sent to the user equipment within a first preset region through a first beam in the beam scanning mode, the synchronization information block comprises a main auxiliary synchronization signal, and necessary system information; the synchronization information block is sent to the target user equipment within a second preset region outside the first preset region through a second beam in the beam scanning mode; wherein the transmitted power of the second beam is greater than the transmitted power of the first beam; the interval of the second beam scanning cycle is greater than the interval of the first beam scanning cycle. Through the adoption of the method for sending the synchronization information block, under the condition that less time resources are taken up, the performance of the terminal coverage of a system can be improved, and the system power consumption and wireless resources are saved.

The invention discloses a method and a device for transmitting data between GTP-U (GPRS Tunneling Protocol for the User plane) entities in radio connection for saving wireless resources. The method comprises the following steps: a first GTP-U entity and a second GTP-U entity establish radio bearer connection at a radio interference, and the first GTP-U entity and the second GTP-U entity save mapping relationship between GTP-U connection and radio bearer connection in the establishment of the radio bearer connection; and the first GTP-U entity and the second GTP-U entity perform user plane data upstream and downstream transmission according to respectively saved mapping relationship between GTP-U connection and radio bearer connection.

The invention relates to a periodic location region updating method of a dual card dual standby mobile phone with a single GSM communication module. An antenna in the mobile phone is connected with a radio frequency circuit which is connected with a baseband processor which is also connected with a memorizer, other control circuits and an analog switch; two SIM cards are serially communicated on the analog switch. The method comprises (1) whether the two SIM cards belong to the same operator is judged; (2) if so, an SIM card is selected to obtain a cell parameter T3212 from a BCCH and the other SIM card obtains a cell parameter T3212 from the first SIM card; (3) if not, whether the periodic location updating parameters are identical is judged, if so, the step (2) is turned to, and if not, the periodic updating of the SIM card is carried out independently; (4) a timer is started by the SIM1 and the SIM2; (5) the location updating is independently started by the two SIM cards when the timer runs to overflow. When the periodic location region updating is achieved for the dual card dual standby mobile pone by the single GSM communication module, the application is convenient and the application range is wide.

The invention discloses a data transmission method of a time division duplex system, which comprises the following steps: a base station sets the length of the GP time slot of a protection interval by using the length of an OFDM symbol as a unit according to the current coverage range in the time range of a special zone of a radio half frame, sets the lengths of a DWPTS time slot and an UpPTS time slot, and sends set results to a user device; and the user device and the base station carry out data transmission by using the radio half frame. The invention also discloses a time division duplex system. When the invention is used, the finer granularity coverage of different grades can be supported, radio resources are saved, and the transmission efficiency is increased.

The invention relates to the field of mobile communication, in particular to technology for feeding back channel quality to a base station by using a mobile terminal. The invention provides a method and a system for acquiring feedback information of channel quality and a base station. The method comprises the following steps that: the base station receives frequency band supporting capacity information reported by the mobile terminal; according to the received frequency band supporting capacity information, the base station determines frequency band feedback indication information and transmits the frequency band feedback indication information to the mobile terminal; and the base station a channel quality measuring result fed back by the mobile terminal according to the frequency band feedback indication information. Based on the frequency supporting capacity reported by the terminal and the current network frequency band resources, the base station determines that the terminal reports the channel quality of which frequency band or frequency bands and indicates the mobile terminal in the frequency band feedback indication information, so that the channel quality of part of frequency band intercarrier / resource block supported by the mobile can be acquired pertinently, the scheduling flexibility is improved, and the expenditure of the terminal side is saved.

A method for moving UE in RRC connection mode, that is, moving the UE in the CELL-FACH or CELL-PCH state and receiving MBMS service to anothe cell, includes such steps as transmitting a 'cell update' message with MBMS service ID from UE to new cell, receiving the messag by RNC, transmitting 'MBMS connection request' message containing MBMS service ID, UE identity and cell ID, or not transmitting if the new cell is in same RNC, RNC transmitting 'MBMS channel relocating' to all UEs in the cell if the UE leads to the channel type change from PTP to PTM, RNC transmitting 'MBMS connection response' to SRNC, and RNC transmitting 'cell updating acknowledge' to the UE.

The present invention discloses an address analytic method of a wireless local area network, which comprises an IP address and an MAC address of an association STA of a current AP; an AP request message of other AP used for an address analysis from other wireless local area network is received; if the destination STA of the AP request message is the association STA of the current AP, a response message is returned by the MAC address of the destination STA; the destination STA is a STA with the analysis IP address. The present invention can reduce a broadcast message during the process of the address analysis, and the wireless resource is saved.

The invention discloses a method and device for discovering device-to-device (D2D) devices. According to the method, the first D2D device obtains configuration information of D2D device discovering messages; information interaction is performed between the first D2D device and the second D2D device according to the configuration information of the D2D device discovering messages until the first D2D device is discovered by the second D2D device or until the first D2D device gives up being discovered by the second D2D device. According to the technical scheme, the effects that wireless resources are saved, disturbance and collision probability is reduced, and the spectral efficiency is improved are achieved.

All sites covered by STA are clustered through cluster polling mode so as to prevent collision from occurring frequently and to save wireless resources and serious frame loss when there are lots of quantity of STA sites covered by access point AP and CSMA / CD mode is applied. Using flexible spacing time in cluster polling mode and flexible clustering strategy guarantees service quality of STA sites. The invention solves issue of service quality in public channel in WLAN.

The invention discloses a method and a device for controlling an auxiliary carrier of double carriers. The method comprises the following steps: a scheduler of a base station acquires a data amount to be sent corresponding to a terminal within a designated time, wherein the terminal is a dual-carrier terminal; the scheduler determines a control mode on the auxiliary carrier of the terminal according to the data amount, and the control mode comprises: activating the auxiliary carrier and deactivating the auxiliary carrier; and the scheduler controls the auxiliary carrier according to the determined control mode. The invention solves the problem that the system performance is influenced by additional network control overhead due to the frequent transmission of HS-SCCH order in the relevant technology and at the same time, saves wireless resources and reduces consumption of the battery power of the terminal.

In order to narrow down base stations within the tracking-area-based paging area to ones within a smaller area where the mobile unit may exist in a mobile communication system performing the paging on the tracking-area basis, the mobile communication system has a location registration information database memorizing tracking area information, a last location registration information and a N-th (N is an integer of one or more) location registration information from the last for each mobile unit, calculates statistical data on a movement distance for each mobile unit based on the location registration information memorized in the location registration information database, and performs the paging via base stations included both within an area whose radius is equal to the calculated statistical data on the movement distance and within the tracking area.

The invention discloses a scheduling delay method. The method comprises the steps that: a base station sends scheduling delay information for delaying scheduling on a terminal to the terminal; the terminal receives the scheduling delay information, and stops monitoring a physical downlink control channel (PDCCH) according to the received scheduling delay information so as to enter into a scheduling delay state, and starts monitoring the PDCCH again according to the scheduling delay information so as to stop self delay scheduling delay state. The invention further discloses a scheduling delay system. According to the invention, the overload processing capability of the network is promoted, the waste of a great amount of wireless resources accessing to the network again is avoided, wireless resources can be effectively saved, and the processing load at a network side can be lightened.

The invention comprises the following steps: connecting a 3G video call to a mobile video media monitoring platform; transmitting the 3G video call to an IP address and port appointed by the platform through RTP protocol and its equipment; when user makes a 3G video call, the system will display the sources of the video signal on an optional menu in term of the authority of the user in order to provide a selection for user; after user selects a source of video signals, the relevant video signals will can be played.

The invention relates to a resource allocation scheme in the field of wireless communication, and specifically relates to a resource allocation scheme which can ensure the joint optimization of power and carriers of user experience quality of a terminal under a multi-user and multi-service scene in an orthogonal frequency division multiplexing (OFDM) system, which belongs to the technical field of communication. According to the resource allocation scheme, a gradual resource allocation algorithm (GRAA) is adopted for calculating sub-carrier and power allocation and allocating appropriate number of carriers and power for each user according to different sensitivities of demands of various services on resources and different channel states in which the users are, thereby ensuring QoE (quality of experience) of each user and simultaneously saving resources to the greatest extent.

The invention discloses a method for carrying out paging on a machine type communication (MTC) group. When a network element of a core network (CN) carries out paging on an MTC group, a paging message is sent to a network element of a radio access network (RAN), wherein the paging message at least carries a flag of an MTC group that needs to be paged; and after the RAN network element receives the paging message, the RAN network element calculates a paging time according to a parameter carried in the paging message and sends the paging message at the calculated paging time, wherein the paging message that is sent to MTC equipment by the RAN network element at least carries a terminal flag or an MTC group flag, wherein the terminal or the MTC group needs to be paged. Correspondedly, the invention also discloses a system for carrying out paging on an MTC group. According to the invention, when it is necessary to trigger a set of a large number of MTC devices to make communication with an MTC server, there is no need to individually carry out paging on the MTC devices one by one, so that the signaling number can be reduced and radio resources can be saved.

The invention discloses a method for controlling data transmission in an acknowledgement mode. The method comprises the following steps: after a protocol data unit is transmitted based on acknowledgement mode, when affirmative acknowledgement message of hybrid automatic error request repeat is received, according to indication information including information of indicating repeat or continuous transmission of new data, the received affirmative acknowledgement message of the hybrid automatic error request repeat is inspected whether the message is correct or not; when correction of the received affirmative acknowledgement message is affirmed, a corresponding protocol data unit is affirmed to be sent successfully, related protocol layers are notified, and related buffers are cleared. The invention also discloses a device for controlling data transmission in an acknowledgement mode. The method and the device can greatly improve the acknowledgement speed of data transmission in an acknowledgement mode, reduce the size of the buffers, saves the cost of protocol data unit header, and reduces transmission of status report, thereby saving wireless resource of a Uu interface, reducing system complexity, and realizing simple layer-two processing process.

The invention relates to the field of mobile communication, in particular to a method for eliminating interference between self-organized network base station nodes. Each base station node detects the signal intensity of an adjacent base station node and broadcasts the signal intensity in system message, and the adjacent base station node acquires own interference degree to the base station node from the monitored system message so as to adjust own transmitting power to achieve the aim of reducing mutual interference between the base station nodes. The method does not need to establish a special physical channel between the adjacent base station nodes, and does not need to change a self-organized network architecture much, thereby simplifying the complexity of the self-organized network design and saving wireless resources of air interfaces at the same time.

The invention discloses a transmission method of a large data object, comprising the following steps: transmitting a large data object to a receiving device by a transmission device in a block way inthe device management session process; when the transmission process is interrupted, reinitiating a session process; and judging whether the large data object changes or not before and after interruption, if no changes, and transmitting residual data of the large data object to the receiving device by the transmission device according to the length of the received data recorded in the receiving device. By implementing the embodiment, large data interrupted in the transmission process are continuously transmitted in the data synchronization (DS) session process, thereby saving wireless resources and reducing the flow rate.

An automatic retransmission request state report restriction method is applied for the mobile communication system. When a re-ranking timer is overtime, a wireless chain control layer entity which adopts a confirming mode at the receiving end triggers a state report, and if when the state report restriction timer is operating, the state report restriction time is stopped and reset. The automatic retransmission request state report restriction method disclosed by the invention comprehensively processes an RLC AM entity re-ranking timer, the state restriction timer and the polling mechanism. The frequent triggering of unnecessary state report by the receiving end is prevented. The wireless resource is saved. The total efficiency and capability of system are provided. The residual problem in LTE system is settled. The automatic retransmission request state report restriction method is suitable for the automatic retransmission request ARQ mechanism in the wireless communication system.

A method and mobile terminal manage a connection to a wireless access point. The method includes searching for a designated wireless access point registered in a preset connection designation list by use of a Wi-Fi module. The method also includes establishing, when a designated wireless access point is found, a connection to the found designated wireless access point.

An embodiment of the invention discloses a method for distributing radio resources for mobile trunking communication broadcasting carrying. The method comprises steps as follows: a trunking core network acquires a first cell where an incoming terminal involved in a group call service resides; the trunking core network distributes the radio resources to the broadcasting carrying of the group call service in the first cell. According to the method, the radio resources are only distributed for the broadcasting carrying of the group call service in the cell where the incoming terminal required to be involved in the group call service resides; compared with the prior art, the method has the advantages that the radio resources occupied by the group call service are saved, and the utilization efficiency of the radio resources is improved.

The method of establishing point-to-point (P2P) communication between two user terminals in a network system includes the following steps: receiving the call request of the caller user terminal of these two user terminals; judging whether these two user terminals reside in the same subzone; sending one paging message to the called user terminal if these two user terminals reside in the different subzones; receiving the paging response from the called user terminal; and judging whether these two user terminals meet the P2P communication condition based on the call request and the paging response.