摘要:
A core network element (102) is configured to facilitate establishment of a first type of wireless communication resource, such as a dedicated channel, to facilitate communication with first communication target. The core network element detects a first message using a second type of wireless communication resource, such as a common channel, where the first message is a part of the request for the first communication resource. The core network element also detects within the first message a second message requesting establishment of a first type of wireless communication resource with the at least first communication target. As the result of the first and second messages, the first type of communication resource is established with the at least first communication target, such as a push-to-talk mobile station. The target mobile station will respond with a message indicating that it is either unavailable or not unavailable. If the network control element detects that the target communication unit is unavailable, then it proceeds to break down the establishing of the first type of communication resource. Otherwise, a message is delivered to the originating communication element (114) indicating that the first communication resource is established.
摘要:
A method and apparatus for creating a semi-active state that reduces channel establishment delay. A communication channel between a mobile station (402) and a radio access network (RAN) (404). The communication channel has a semi-active state between the mobile station and the RAN by preassigning at least one resource to identify the communication channel. In To determine whether the channel is to be made active, the preassigned resource is monitor. When resource indicates that data is to be sent, the channel is converted from the semi-active state to an active state. Data is then transmitted over the communication channel in the active state.
摘要:
A receiving buffer (110) in communication with a processing circuit (150) stores (310) received packets of data while the processing circuit (150) strips (320) the frames of data from the packets. The stripped frames are stored (330), and the processing circuit (150) creates and stores (340) reformed packets using the frames. Preferably, the processing circuit (150) creates the reformed packets according to one or more certain predefined functions of one or more conditions monitored by a condition monitor (130) which indicate the possible size of the next available radio frame in which the packets are wirelessly transmitted. Then, the processing circuit (150) sends the reformed packet that ideally matches the size of the radio frame to be sent with the radio frame.
摘要:
A method and apparatus is provided to efficiently assign addresses for a mobile station (110) that monitors one or more broadcast groups. The mobile station (110) determines (210) at least one broadcast group to monitor. A broadcast server (150) determines (220) the broadcast time for the monitored broadcasts group(s). A broadcast server (150), mobile switching center (130), or mobile station (110) then determines (230) an address for the mobile station (110) that minimizes the wake up times for the mobile station for monitoring the chosen broadcast group. Preferably, the address is assigned a wake up time corresponding to a broadcast time for a monitored broadcast group. Further, a second preferred address may be determined (450) that is assigned to a second broadcast group. The mobile station (110) is registered (430) under the chosen address(es) if the mobile station (110) is not already assigned to one of the chosen addresses.
摘要:
A call where a packet discard policy (132) should be applied is selectively identified based upon a received property associated with the call. The packet discard policy (132) is applied to the selected call in order to selectively discard packets (134) associated with the call when a triggering event (136) occurs.
摘要:
A system and method for reducing the transmission delay of messages sent through a network from a source mobile unit (112) to a destination mobile unit (114). Portions of a data message are received (202). The portions of the data message are decoded (204) and a type of the data message is determined from the decoded portions. Before the entire data message has been received, processing and service actions are performed as a result of receiving the data message (206) based at least in part upon the type of the data message.
摘要:
A communication device converts a bit stream to multiple symbols and provides encryption at a physical layer by shifting a phase of each symbol of the multiple symbols to produce multiple encrypted symbols. Each encrypted symbol of the multiple encrypted symbols is modulated with an orthogonal subcarrier to produce at least one modulated subcarrier and the at least one modulated subcarrier is then transmitted via a wireless link. On a receive side, a receiving communication device receives the transmitted, encrypted symbols and provides decryption at a physical layer by shifting a phase of each encrypted symbol in correspondence with the phase used to encrypt the symbol at the transmit side.
摘要:
A communication device converts a bit stream to multiple symbols and provides encryption at a physical layer by shifting a phase of each symbol of the multiple symbols to produce multiple encrypted symbols. Each encrypted symbol of the multiple encrypted symbols is modulated with an orthogonal subcarrier to produce at least one modulated subcarrier and the at least one modulated subcarrier is then transmitted via a wireless link. On a receive side, a receiving communication device receives the transmitted, encrypted symbols and provides decryption at a physical layer by shifting a phase of each encrypted symbol in correspondence with the phase used to encrypt the symbol at the transmit side.
摘要:
The need to reduce the cost associated with signaling mobiles (120) across multiple cells (101-108) is addressed by embodiments of the present invention. A targeted MS is initially paged only in those cells in which the paging channel loading level is below a particular paging threshold. Similarly for short messaging, the RAN transmits the short messaging to the MS only in those cells in which the paging channel loading level is below a short messaging threshold. Therefore, the MS can be signaled in under-loaded cells first, were the effect on system capacity and performance is negligible. When successful, the MS signaling is achieved at a lower cost to the system than when loaded cells are involved.
摘要:
A method of messaging in a wireless cellular system comprising predicting a location of the mobile station (122, 124), wherein the location corresponds to a first sector within the wireless cellular system; sending a first message to the mobile station via the first sector within the wireless cellular system; and sending a second message corresponding to and having a reduced size as compared to the first message to the mobile station via a second sector at approximately the same time as the first message is sent via the first sector.