Abstract: A wireless communication apparatus, a method thereof, and a wireless communication system employing the same. The wireless communication apparatus for transmitting and receiving data wirelessly includes a transmitting portion for transmitting the data through at least one frequency channel, and a controller for obtaining a number of transmittable channels of a counterpart wireless communication apparatus that the wireless communication apparatus intends to communicate with, and processing to transmit the data through the transmitting portion according to the obtained number of transmittable channels. Accordingly, data can be transmitted and received simultaneously through multiple channels, and time consumption for the data transmission and reception can be greatly reduced.

Abstract: On registration of a new subscriber in a radio system with a central system and a plurality of subscribers the new subscriber first sends a search telegram to all the subscribers that it can reach in its radio range and selects from the subscribers that respond a first router. Via this router it sends a registration request in the form of a message with a provisional own address to the central system. If it accepts the registration request the central system sends a response telegram via the router which contains a subscriber number and a system identifier for the new subscriber, which is integrated when the subscriber number is accepted into the radio system.

Abstract: The invention provides methods for autonomous detection and adaptation with respect to an interfering signal on a frequency channel to assist a wireless device on a wireless network in choosing an appropriate frequency channel. According to embodiments, a method determines an appropriate channel by first detecting whether there is an interfering signal on a frequency channel over the wireless network, then retrieving data from the interfering signal to retrieve protocol identification information. Prior to determining whether to transmit over the frequency channel, the method calls for determining whether the identified protocol of the interfering signal is a predetermined protocol.

Abstract: A system and method of for exchanging information between a wireless network and an external system is disclosed. The wireless network detects trigger events related to communications with wireless subscribers. Certain event triggers cause the wireless system to create a message to send to the external system. In response the external system may send information to the wireless system. The wireless system may create messages upon detection of handoff, origination, status, registration or other activity by the wireless subscriber. The invention may also detect trigger events related one mass media broadcasts. An interface translates between the different protocols of the wireless and the external or wireline networks to allow for automatic call redirection. The application can be utilized between many networks and facilitates the utilization of the architecture of a wirelined network and the home location register of the wireless network for various applications on the wireless network.

Abstract: This invention provides a wireless LAN base station capable of accommodating all of the client terminal stations if the number of client terminal stations wirelessly connected to the wireless LAN base station increases and capable of reducing power consumption if the number of wireless client terminal stations decreases. This wireless LAN base station includes at least two wireless LAN modules, each of which are capable of holding the wireless communication with at least one client terminal station, a section for detecting the number of client terminal stations that are being holding the wireless communication with the wireless LAN base station; and a section for changing the number of active wireless LAN modules according to the detected number of the client terminal stations.

Abstract: The invention concerns a method (300) and system (100) for interrupting a dispatch call. The method can be practiced in a dispatch communications system (100) having at least a first communications channel (162) for carrying voice traffic and a second communications channel (164) for carrying communications-enabling information. The method includes the steps of assigning (312) the first communications channel to at least a first caller (133) and a second caller (135) to permit the first and second callers to engage in a dispatch call and as the first caller has control over the first communications channel, transmitting (314) an interrupt message (505) over the second communications channel to inform the first caller of an interrupt status of the second caller. The transmitting step is performed without terminating the dispatch call.

Abstract: The present invention relates to a system 10 and method for identifying the position of cellular telephones 12 in a geographical area served by a mobile telephony network 14. The system 10 comprises a mobile location center 15 capable of analyzing information about the electromagnetic (RF) field transmitted by cellular telephones 12 with reference information including both RF information and probabilistic information associated with the morphology of the geographical area. The method involves assigning different weights to the location of cellular telephones 12 as a function of probabilistic reference information, and thus makes it possible to use statistical methods for resolving situations of ambiguity in locating cellular telephones which would otherwise be resolved in purely random fashion.

Abstract: A method performed by a network system is provided for canceling interference signals brought by introducing P2P communication in wireless communication systems, comprising: receiving a call request from a user equipment in a cell for communicating in UP-BASE STATION-DOWN mode; judging whether there is an appropriate link timeslot in the several available timeslots for the user equipment to avoid being interfered by P2P signals transmitted by the chosen user equipments allocated in the appropriate timeslot when the user equipment communicates in the appropriate timeslot, according to the relative position of the user equipment and the chosen user equipments in P2P communication in the cell; approving the call request from the user equipment and allocating the appropriate timeslot to the user equipment if the appropriate timeslot is available.

Abstract: The invention relates to a method and a system for harmonising an operational area for a mobile device on a cell-by-cell-basis in a cellular radio network, like a GSM network, wherein, in idle mode, the mobile device compares field strength levels of different base stations with each other in order to set up a power budget, and selects the most appropriate base station in accordance with said power budget, wherein for prioritizing a predetermined base station an individual additional offset term is applied in the power budget. The invention is characterized in that in connection mode, the mobile device compares the power received from different base stations with each other in order to set up a power budget, and selects the most appropriate base station in accordance with said power budget, wherein for prioritizing a predetermined base station an individual additional offset term is applied in the power budget, and both offset terms are set so as to be similar to each other or the same.

Abstract: A wireless intranet office (WIO) concept is disclosed, which integrates an IP based Intranet environment (27) and GSM network providing mobile telephones (21) with access to GSM through the GSM network or via the intranet. Access through the intranet to the GSM MSC (26) is provided by a WIO interworking unit (24) which may comprise several network entities (e.g. intranet mobile cluster (241), intranet location register (242), WIO gatekeeper (243), WIO gateway (244) and H.323 gateway). A dual mode terminal for such a system is also disclosed.

Abstract: A communication session between a wireless communication device and one or more recipient communication devices is initiated in response to user input received at a separate computing device. The intended parties of the call are identified at the computing device in response to the user input. Once the intended parties have been identified, the computing device generates and transmits calling instructions to the wireless communication device to instruct the wireless communication device to call the one or more recipient communication devices. This allows a caller to utilize the functionality and resources available on a computer to initiate a call, while enabling the caller to utilize the functionality and resources available on the caller's wireless communication device to engage in and complete the call, without requiring the caller to communicate through the telephony applications of a computer.

Abstract: The object of the present invention is to provide a radio access network system for properly distributing loads and functions of the control plane function and a user plane function of a control apparatus, thus enabling the addition of only a necessary function when a radio access network is expanded. The radio access network system comprises a control server 1 configured to manage a configuration of a radio access network including a base station 3, and to set a transfer path for a packet in accordance with the configuration, and a data server 2 configured to manage a resource of a base station 3 located in the transfer path set by the control server 1.

Abstract: A method for transmitting common control information in a wireless mobile communication system is provided. The method includes transmitting common control information by a first Base Station (BS) to a second BS and broadcasting by the second BS the common control information received from the first BS. Accordingly, transmission of the control information by the second BS saves time and frequency resources in the communication system.

Abstract: In digital broadcast systems, it is common to broadcast besides main services additional services like news services. Typically, these additional services are regularly updated and broadcasted by a service provider (3) several times a day. In order to keep service data transmitted by the additional services up to date in a receiving device (1) receiving the services, a method of accessing services is given according to which a respective service information about the services provided by service providers (3) is extracted from a service presently received by the receiving device (1), and then at least one of the services about which service information was extracted according to the respective extracted service information might be accessed. Thus, the service data can automatically be updated by the receiving device (1) itself, even if transmission conditions of an additional service like update rates change over the time.

Abstract: A multichannel scanning apparatus and method for a DMB-enabled mobile phone that are capable of simultaneously displaying multiple images received through different service channels of satellite and terrestrial digital multimedia broadcasting systems is provided. A multichannel scanning method of the present invention includes determining functionalities of first and second broadcast systems; setting multi picture presentation function for displaying at least two broadcast channels of the first and second broadcast systems on a screen; and simultaneously displaying one of the broadcast channel as a main channel picture and at least one of the broadcast channels excluding the main channel as a sub channel picture.

Abstract: The present invention provides a wireless communication system capable of managing peer-to-peer (P2P) communications. In one embodiment of the invention, upon receiving a request for initiating a call, the system determines whether P2P communication can be established between the two mobile terminals. The system also determines an operating mode of the two mobile terminals for P2P communication. If the P2P communication can be established between the two mobile terminals and both mobile terminals are in a default mode for P2P communication, the system establishes P2P communication between the two mobile terminals. On the other hand, if any one of the mobile terminals is in a prompt mode, the system sends a prompt to the mobile terminal in the prompt mode, along with information about incentives for using P2P communication services.

Abstract: A portable communication equipment comprises a radio communication sections (13), (14) for transmitting and receiving a CDMA signal, a base band modem section (16) for modulating a speech signal into a CDMA signal and demodulating a CDMA signal into a speech signal, and a CPU (17) for controlling the transmission and reception of a CDMA signal. When the equipment fails in capturing a selected channel and falls in a condition when a system was lost, the CPU (17) retries to capture the selected channel. The CPU (17), when it fails in capturing the selected channel, selects another channel only when it tries to capture the selected channel for a predetermined number of times as well as it does not obtain an overhead message. With this arrangement, it is possible to capture an appropriate channel if an unsuitable channel is selected and the portable communication equipment falls into a condition when a system was lost.

Abstract: The present invention provides for a method for use in network acquisition in a cellular radio communications device comprising the steps of, storing details of the cell to which the device was connected at the time of loss of the network for at least first and second separate instances of network loss, comparing the current cell appearing at the time of seeking network establishment with the stored cell details, camping on the current cell by means of the stored cell details if the comparison indicates a match, and conducting a network cell search if the comparison does not identify a match between the current cell and one of the stored cells.

Abstract: A method for supporting P2P communication between two user equipments in TDD CDMA systems, performed by user equipment, comprising: receiving signals transferred via the downlink control channel from network system; acquiring the timeslot allocation information and the spreading code allocation information of other active user equipments allocated in the specific downlink timeslot associated with the direct link used by said user equipments, according to the received signals; and synchronizing the P2P communication signals received by the user equipment and signals from network system, according to the acquired timeslot allocation information and spreading code allocation information, so as to reduce the interference caused by the downlink signals transmitted from network system to other user equipments during the P2P communication process.

Abstract: To provide a multibeam antenna reception device capable of improving the reception quality while suppressing an increase in the amount of computation. The multibeam antenna reception device includes a path detection control section (108) for controlling the path detection range at the current time for M receive beam path detection sections (1061 to 106M) based on pairs of receive beam numbers and path delays detected prior to the current time and information on user signal reception quality in the pairs of the receive beam numbers and the path delays output from the M receive beam path detection sections (1061 to 106M). When path detection is performed with respect to each user in the M receive beam path detection sections (1061 to 106M), pairs of receive beam numbers and path delays and information on user signal reception quality in the pairs of the receive beam numbers and the path delays are detected according to the path detection range controlled by the path detection control section (108).

Abstract: A method is proposed for maintaining uplink synchronization with P2P communication in wireless communication networks, comprising steps of: the wireless communication system overhears the P2P communication between two UEs (user equipments), determines the SS (synchronization shift) information of said UEs according to the overheard information transferred by each UE in P2P communication, and transmits the SS information to the corresponding UE via the downlink common control channel; the UE monitors the downlink common control channel, and adjusts the TA (timing advance) for transmitting signals according to the SS information transferred via the downlink common control channel.

Abstract: A wireless communications network (100) includes various base stations (110) and subscriber-stations (114). The base stations each provide (602) broadcast content services to subscriber-stations over communication channels of one of the following types: 1) shared channels for use by multiple subscriber-stations, 2) individual channels each dedicated for use by an individual subscriber-station. In response to one or more prescribed condition changes (604), there is a switch (606) in the type of communications channel used to provide broadcast content services to one or more given subscriber-stations.

Abstract: The present invention provides a wireless network system for establishing peer-to-peer communication between mobile terminals. Upon determining that peer-to-peer communication can be established between two mobile terminal, the wireless network system transmits to each of the mobile terminals information about radio resources used by the other one of the mobile terminals. Each mobile terminal then uses the radio resources information to test the characteristics of a dedicated uplink channel between the other one of the mobile terminals and the network system. Thus, no separate radio channel needs to be allocated for the channel testing. Furthermore, each mobile terminal uses the same radio resources to establish a dedicated radio channel in the peer-to-peer communication with the other one of the mobile terminals, which were previously used by itself for communication with the network system on the dedicated uplink channel.

Abstract: A Digital Living Network Alliance (DLNA) network that stores, in real time, data, such as motion pictures, still images, audio sounds, etc., collected from outside of the home into a storage device located, preferably, in the home. In particular, a data collecting device requests a device search through the home network, receiving an acknowledgement from a storage device, requests device information from the storage device, receives the device information from the storage device, configures a storage path of the data collecting device using the device information, and stores data it collects into the storage device using the storage path. It is accordingly possible to allow the user to conveniently play back the data collected by the handheld device using the household appliances without additional manipulation for transferring the collected data, despite the limited storage capacity of the handheld device.

Abstract: A computing arrangement may include a first radio transceiver operating in accordance with a first communication protocol using a frequency band and a second radio transceiver operating in accordance with a second communication protocol using the frequency band. An access point operates in accordance with the first communication protocol and transmits a communication signal that has a frame including a first time interval indicative of when communications using the first communication protocol via the frequency band are permitted to the computing arrangement. The computing arrangement determines if the frame includes a second time interval, which is indicative of and is reserved for exclusive communications in accordance with the second communication protocol. If the second time interval is absent from the frame, the computing arrangement inserts the second time interval into the frame. The computing arrangement communicates with a further device only during the second time interval.

Abstract: A system, method and computer architecture for synchronizing data between one or more enterprise databases and one or more mobile devices is disclosed.

Abstract: A cellular radio network based positioning system for determining the position of a mobile station (16). For each base transceiver station (1 to 5) or cell of the network, a fixed list of base transceiver stations is stored by a Mobile Positioning Centre (13). Each list identifies those base transceiver stations which enable the position of a mobile station served by the corresponding base transceiver station (6) to be optimally determined. The list is transmitted to the mobile station (16) via the serving base transceiver station (6) and the mobile station determines an observed time difference for each of the listed base transceiver stations, relative to the serving base transceiver station (6), from signals broadcast by the listed base transceiver stations. The observed time differences are transmitted from the mobile station (6) to the serving base transceiver station (6) and are used by the network to compute the position of the mobile station (16).

Abstract: A difference between DELAY values of paths is compared and when the difference is below a predetermined value, the paths are assumed to be the same and SIRs estimated for these paths are compared to each other. The SIRs are multiplied by corresponding weighting coefficients and are added in an SIR addition circuit 7. This eliminates erroneous recognition of one path as a plurality of paths, causing an enormous SIR after the addition and prevents deterioration of the line quality.

Abstract: A base station controller (BSC) of a radio or wireless telecommunications network base station includes a director. A BSC includes multiple central processing units (CPUs), with each CPU running a call-processing application for one or more connections. The director is a logical entity that intercepts wireless call-setup signaling and assigns each corresponding connection to a CPU according to a centralized load-balancing algorithm. The centralized load-balancing algorithm distributes connections to less loaded CPUs to i) prevent individual CPUs from overloading, ii) utilize otherwise unused system resources, and iii) increase overall system performance. The director hosts cell components that manage code division multiple access (CDMA) downlink spreading codes for a base station, providing centralized allocation of spreading codes by the base station.

Abstract: Methods and apparatuses for determining a position of a mobile satellite positioning system (SPS) receiver which is coupled to a communication receiver or transceiver. In one exemplary method, a change in a communication signal received by the communication receiver is determined. A parameter, based on the change, is determined, and SPS signals from SPS satellites are processed according to the parameter. According to further details of this method, the change involves the fluctuation of the level of the communication signal and the parameter is a motion information which specifies a frequency range for searching for SPS signals in the process of acquiring the SPS signals from SPS satellites. In an alternative embodiment the change in the communication signal is a change in the transmitted signal in response to power control commands. Apparatuses, such as a mobile communication system which includes an SPS receiver and a communication receiver, are also described.

Abstract: Disclosed is a forward channel configuring method in an OFDMA FDD system. The method comprises: classifying the cells into a specific number of patterns based on location relations of the respective cells; allowing the respective base stations of the cells having different classified patterns to transmit control information to the mobile station at different times within a period of the forward channel, and allowing the respective base stations of the cells having the same classified patterns to transmit control information to the mobile station at the same time; and allowing the respective base stations to transmit traffic data to the mobile station irrespective of the classified patterns when the control information is transmitted.

Abstract: A wireless communication system includes a fixed base transceiver station that includes a fixed base station number and a fixed broadcast control channel (BCCH) allocation list and broadcasts a fixed BCCH covering a first range; and a first base transceiver station that includes a first number and a first BCCH allocation list. When the first base transceiver station moves into the first range, the first number is stored into the fixed BCCH allocation list and the fixed base station number is stored into the first BCCH allocation list.

Abstract: A Wireless Local Area Network (WLAN) supports multiple slot times. A Basic Service Set (BSS)/Independent Basic Service Set (IBSS) of the WLAN services a plurality of WLAN devices (STAs) and at least one STA of the plurality of STAs supports multiple slot times. Operation is initiated using a short slot time. Then, the a determination is made that operation of the BSS/IBSS requires use of a long slot time, wherein the long slot time is longer than the short slot time. Operation of at least one of the plurality of STAs is modified to be consistent with the long slot time. In altering the operation the STA sets a local Long Slot Termination Time (LSTT). When a Target Beacon Transition Time (TBTT) is before the local LSTT, a beacon is transmitted that indicates that the long slot time is to be used and that includes the local LSTT. When the TBTT is after the local LSTT, a beacon is transmitted that indicates that the short slot time is to be used.

Abstract: One aspect of the present invention relates to a method for forming a strained semiconductor structure. In various embodiments, at least two strong bonding regions are defined for a desired bond between a crystalline semiconductor membrane and a crystalline semiconductor substrate. The two strong bonding regions are separated by a weak bonding region. The membrane is bonded to the substrate at a predetermined misorientation. The membrane is pinned to the substrate in the strong bonding regions. The predetermined misorientation provides the membrane in the weak bonding region with a desired strain. In various embodiments, the membrane is bonded to the substrate at a predetermined twist angle to biaxially strain the membrane in the weak bonding region. In various embodiments, the membrane is bonded to the substrate at a predetermined tilt angle to uniaxially strain the membrane in the weak bonding region. Other aspects are provided herein.

Abstract: Apparatus, and an associated method, for a radio communication system. Asymmetrically positioned downlink data transmitting stations and uplink data receiving stations are positioned defining downlink service areas and uplink service areas. A mobile terminal, when positioned in the downlink service area, is able to receive high speed downlink data. And, when the mobile terminal is stationed within an uplink service area, the mobile terminal is capable of sending data at high data rates to an uplink receiving station.

Abstract: A wireless device and method provides for adding nodes to a wireless mesh network by adjusting an antenna sensitivity pattern of one or more nodes in the wireless mesh network to exhibit spatial selectivity. The method transmits a query, and if a response is received within a predetermined time period, the wireless device receives the response and adds the responding wireless device to the mesh network. The wireless device can adjust the transmission pattern to enable the antenna sensitivity pattern to cover a predetermined spatial area, and the predetermined time period can be fixed. The wireless devices can adjust the antenna sensitivity pattern in a coordinated manner. A method for supporting data connections between three or more wireless devices includes adjusting the sensitivity pattern of an antenna on a first wireless device, communicating with a second wireless device, and further adjusting the sensitivity pattern of the antenna for more wireless devices.

Abstract: A method and system for automatically providing to a network entity in a wireless network, a location of a mobile station where a call is dropped (i.e., a call-drop location). The mobile station or base station may determine that a call in which the mobile station was engaged has been dropped. In response to determining that a call has been dropped, the mobile station or base station may obtain the location of the mobile station. The call-drop location can be used to identify those areas of the wireless network needing improved radio coverage.

Abstract: The present invention proposes a method for performing a communication between two terminal equipments (TE1, TE2) via at least one communication network (NW1, NW2), said method comprising the steps of establishing (S2) a first connection for a communication signal (V/S) between the two terminal equipments, detecting (S3) a connection changing condition, and, if said connection changing condition is detected, dividing (S4) said communication signal at least into a first signal component (V) and a second signal component (S) and establishing (S5) at least one second connection, said first signal component being transmitted via the first connection and said second signal component being transmitted via the second connection. The present invention proposes also a corresponding device (100) and a corresponding system.

Abstract: A mechanism to permit the cryptographic authentication of a mobile device in the cellular carrier's network when the device is present in the 802.11 network, wireless LAN, served by a Cellular Controller and not connected directly to the cellular carrier's network via a radio link is disclosed. The Cellular Controller acts as a proxy for the mobile device when the device is in a building served by an 802.11 wireless LAN. The solutions features the separation of a mobile device's radio function from its ANSI-41 authentication mechanism to permit the proxy function to work and to not have to duplicate the ANSI-41 authentication data and CAVE algorithm.

Abstract: A communication device and a method for controlling a communication device that can load or unload service information at appropriate timings by flexibly designating discriminating conditions of connection or disconnection of a link. A service manager reads out necessary service information, such as service program or driver software, from the information memory area based on discriminating conditions designated in communication controlling information of the communication status. The service manager loads service information to a temporary information memory area in a host device. The service manager also unloads unnecessary service information from the temporary information memory area in the host device. A connection manager then performs communication protocol for communicating between the service information loaded in the temporary information memory area of the host and the service information memory of the device side.

Abstract: Dual site supervision is provided for a control channel cellular radio for a fire alarm reporting system that uses logic that causes a control channel cellular transceiver to operate in a nonstandard manner and to use a different and second cellular base station or site that the unit would not normally select operating pursuant to a standard cell phone software module. The logic causes the control channel cellular transceiver to monitor and test through more than one cell base station or site, thereby meeting the dual communication path supervision requirement for UL listed communications systems for stand alone fire alarm reporting systems. The available cellular control channels are first scanned, and the signal strength of each cellular control channel is measured.

Abstract: The invention provides a method of reestablishing wireless communications for a mobile vehicle. After a communication link failure on a first communication link is detected, it is determined whether to reconnect on the first communication link based on at least one communication condition factor, and then an attempt is made to establish a second communication link based on the communication condition factor determination.

Abstract: A system and method are presented for expediting acquisition of an operating channel in a wireless communications telephone device. The method activates a wireless communications telephone device and identifies the wireless device geographical location. The method correlates a Number Assignment Module (NAM) with geographical location information and selects the NAM. The method also correlates a predetermined group of channels in a Priority Roaming List (PRL) in the selected NAM with geographical location information and selects the channel group. The method scans channels in the PRL beginning with channels in the selected channel group.

Abstract: A radio communication system has a random access channel for the transmission of data (214) from a secondary station to a primary station. Such a channel is intended for use by secondary stations having data (214) to transmit to a primary station while not actually engaged in a call. By enabling access requests (202) to be transmitted with a greater range of possible signatures, a much greater number of degrees of freedom is available to a secondary station requesting access to a random access channel. This enables significantly improved efficiency of resource allocation by increasing the amount of information transmitted to the primary station by the access request (202).

Abstract: A system and method for enabling a user to query availability, roaming history and/or modem statistics of a wireless device that can roam between at least two different wireless networks, without assistance from network service provider personnel.

Abstract: A wireless communication device automatically and periodically monitors each of a plurality of wireless links in a public wireless communication network to generate a set of link metrics for each of the wireless links. The wireless communication device then processes the link metrics to generate historical performance data for the wireless links. The wireless communication device selects a selected wireless link from the plurality of wireless links based on the historical performance data. The wireless communication device then uses the selected wireless link to communicate over the public wireless communication network.

Abstract: A method of connecting to a radiocommunication network a terminal which is in a standby mode because of temporary unavailability of the signal from the network includes a step of periodically scanning frequencies of the radiocommunication network using one or more sequences each associated with a predetermined list of frequencies selected from all the frequencies.

Abstract: The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically choose a channel such that channel usage is optimized. Furthermore, APs can perform automatic power adjustment so that multiple APs can operate on the same channel while minimizing interference with each other. Wireless stations are load balanced across APs so that user bandwidth is optimized. A movement detection scheme provides seamless roaming of stations between APs.

Abstract: In a method for the continuous real time tracking of the position of at least one mobile object in a defined multidimensional space, at least one mobile transmitter module is attached to at least one mobile object and the signals from the at least one module are received by a stationary receiving and signal processing network and then centrally processed. The signals emitted by each transmitter module are electromagnetic waves sent within a frequency band range using time division multiplexing techniques.

Abstract: A communications platform (100) assigns communication channels (58, 78) to users based on a power level associated with the individual users. An available bandwidth for use by the communications platform (100) in segmented into a number of sub-bands using a bank of filters (54, 78). A number of independent communication channels (58, 78) are then provided within each of the sub-bands using an appropriate multiple access scheme (e.g., code division multiple access). A power range is then specified for each of the sub-bands. When a communication connection is to be established, a power level associated with the connection is determined. One or more sub-bands are then identified that have power ranges encompassing the determined power level. A channel is then assigned to the communication connection from one of the identified sub-bands.