# US 8,787,254 B2 · Method for operating a mobile wireless network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,787,254 B2 - Document ID: US8787254B2 - Status: Granted - Kind: B2 - Application number: 12/953,151 - Filed: 2010-11-23 - Published: 2011-12-01 - Granted: 2014-07-22 - Earliest claimed: 1999-10-21 - Assignees: IPCom GmbH & Co. KG - Applicants: Martin Hans; Mark Beckmann - Inventors: Martin Hans; Mark Beckmann - Web page: https://patentgrep.com/patent/US8787254B2 ## CPC - H04L 69/04: Protocols for data compression, e.g. ROHC - H04L 41/0803: Configuration setting - H04L 69/18: Multiprotocol handlers, e.g. single devices capable of handling multiple protocols - H04L 69/24: Negotiation of communication capabilities - H04W 28/06: Optimizing {the usage of the radio link}, e.g. header compression, information sizing {, discarding information (system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365)} - H04W 28/16: Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service] - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 80/00: Wireless network protocols or protocol adaptations to wireless operation - H04W 80/02: Data link layer protocols - H04W 80/04: Network layer protocols, e.g. mobile IP [Internet Protocol] - H04W 88/02: Terminal devices - H04W 88/181: {Transcoding devices; Rate adaptation devices} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of operating a mobile wireless network is described to ensure proper function of protocol entities during the transmission of data units between two wireless stations of the mobile wireless network. In this case, user data is assembled by a first convergence protocol layer of the first wireless station into at least one first data unit, particularly a packet data unit, before transmission to a second convergence protocol layer of a second wireless station, particularly on the same protocol level, with the user data being supplied to the first convergence protocol layer by at least one user in a network layer. At least one protocol entity of the first convergence protocol layer is configured as a function of a configuration request received by the second wireless station, in order to form the at least one first data unit from the data received from the at least one user and to transmit it through a carrier to a link control layer. ## Claims ### Claim 1 A method for establishing a protocol entity in a convergence protocol layer of a first wireless station, comprising: receiving a radio bearer setup message from a second wireless station, wherein the radio bearer setup message includes an identifier for a compression algorithm, a compression parameter, and a protocol entity ID; in response to receiving the radio bearer setup message, configuring the protocol entity having the protocol entity ID in the convergence protocol layer of the first wireless station according to the following: configuring the protocol entity to include the compression algorithm configured to use the compression parameter and to communicate with at least one packet data protocol context in a network layer, wherein the protocol entity ID identifies the protocol entity from any other protocol entity that may be configured in the convergence protocol layer, and providing a radio bearer to allow communication between the protocol entity and an entity in an RLC (radio link control) layer, wherein there is a one to one relationship between the protocol entity and the radio bearer; and transmitting a radio bearer setup complete message confirming the establishment of the protocol entity to the second wireless station, wherein the radio bearer setup complete message includes the protocol entity ID. ### Claim 2 (depends on 1) The method of claim 1, further comprising: transmitting a UE (user equipment) capability message to the second wireless station, wherein the UE capability message indicates the compression algorithm and the compression parameter are supported by the first wireless station prior to receiving the radio bearer setup message. ### Claim 3 (depends on 1) The method of claim 1, further comprising: receiving a radio bearer reconfiguration message transmitted by the second wireless station, wherein the radio bearer reconfiguration message includes the protocol entity ID and identifies a second compression algorithm and a second compression parameter, wherein at least one of the second compression algorithm and the second compression parameter in the radio bearer reconfiguration message differs from the compression algorithm and the compression parameter included in the radio bearer setup message. ### Claim 4 (depends on 3) The method of claim 3, further comprising: in response to receiving the radio bearer reconfiguration message, reconfiguring the protocol entity in the convergence protocol layer of the first wireless station by reconfiguring the protocol entity to include the second compression algorithm configured to use the second compression parameter; and transmitting a radio bearer reconfiguration complete message confirming the reconfiguration of the protocol entity to the second wireless station, wherein the radio bearer reconfiguration complete message includes the protocol entity ID. ### Claim 5 (depends on 3) The method of claim 3, further comprising: determining that the protocol entity cannot be reconfigured as specified in the radio bearer reconfiguration message; and transmitting a radio bearer reconfiguration failure message to the second wireless station, wherein the radio bearer reconfiguration failure message includes a reason that the protocol entity failed to reconfigure. ### Claim 6 (depends on 1) The method of claim 1, further comprising: receiving a radio bearer release message transmitted by the second wireless station, wherein the radio bearer release message includes the protocol entity ID. ### Claim 7 (depends on 1) The method of claim 1, wherein the protocol entity ID corresponds to an identifier for the radio bearer. ### Claim 8 (depends on 7) The method of claim 7, wherein the configuration request also requests configuration of the radio bearer associated with the protocol entity. ### Claim 9 A first wireless station, comprising: a computing device; and a mobile wireless communication device connected to the computing device, the mobile wireless communication device configured to transmit and receive communications via a mobile wireless network; wherein the mobile wireless communication device is configured to receive a radio bearer setup message from a second wireless station, wherein the radio bearer setup message includes an identifier for a compression algorithm, a compression parameter, and a protocol entity ID; wherein the computing device is configured to configure a protocol entity having the protocol entity ID in a convergence protocol layer of the first wireless station in response to the mobile wireless communication device receiving the radio bearer setup message according to the following: configuring the protocol entity to include the compression algorithm configured to use the compression parameter and to communicate with at least one packet data protocol context in a network layer, wherein the protocol entity ID identifies the protocol entity from any other protocol entity that may be configured in the convergence protocol layer, and; providing a radio bearer to allow communication between the protocol entity and an entity in an RLC (radio link control) layer, wherein there is a one to one relationship between the protocol entity and the radio bearer; and wherein the mobile wireless communication device is configured to transmit a radio bearer setup complete message confirming the establishment of the protocol entity in the first wireless station to the second wireless station, wherein the radio bearer setup complete message includes the protocol entity ID. ### Claim 10 (depends on 9) The first wireless station of claim 9, wherein the computing device is configured to establish the protocol entity in a user plane and to receive the radio bearer setup message and transmit the radio bearer setup complete message via a control plane. ### Claim 11 (depends on 9) The first wireless station of claim 9, wherein the computing device is configured to reconfigure the protocol entity in response to the mobile wireless communication device receiving a radio bearer reconfiguration message from the second wireless station, wherein the radio bearer reconfiguration message includes the protocol entity ID. ### Claim 12 (depends on 9) The first wireless station of claim 9, wherein the computing device is configured to release the protocol entity in response to the mobile wireless communication device receiving a radio bearer release message from the second wireless station, wherein the radio bearer release message includes the protocol entity ID. ### Claim 13 (depends on 9) The first wireless station of claim 9, wherein the mobile wireless communication device is configured to transmit a UE (user equipment) capability information message indicating at least one protocol entity parameter supported by the first wireless station to the second wireless station. ### Claim 14 (depends on 9) The first wireless station of claim 9, wherein the protocol entity ID corresponds to an identifier for the radio bearer. ### Claim 15 (depends on 14) The method of claim 14, wherein the configuration request also requests configuration of the radio bearer associated with the protocol entity.